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Can I sublease a space mid-buildout and recover my construction costs?

📖 2,137 words🗓️ Published Jul 2, 2026

CRO SYNDICATE

Direct Answer

Yes, you can sublease a space mid-buildout and recover some or all of your construction costs, but it hinges entirely on your lease language, the state of the buildout, and market demand — it's not a guaranteed escape hatch. The most common path is a turnkey sublease where you finish the improvements and then assign the lease or sublease the space at a rent that recoups your tenant improvement (TI) investment, often by charging a premium over your base rent. However, if you sublease mid-construction, you're selling an unfinished product, and most subtenants will demand a discount or require you to complete the work at your cost. The real key: your master lease must explicitly permit subleasing or assignment, and you must have a recapture clause that doesn't let the landlord steal your deal. Recovering costs is most realistic when the buildout is generic (open plan, standard finishes) and the subtenant can use it as-is, or when you've secured above-market TI allowances from the landlord that you can pass through. Never start a buildout planning to sublease — that's a red flag to lenders and landlords — but if circumstances change, a well-structured lease with sublease rights and cost-recovery provisions can save you from a total loss.

The Lease Language That Makes Or Breaks Cost Recovery

commercial lease document with sublease clause highlighted

Your ability to sublease mid-buildout and recover costs starts with three critical lease clauses. First, the sublease and assignment clause must allow subleasing without landlord's *unreasonable* consent — many leases give the landlord absolute veto power, which kills your deal. Second, the recapture clause lets the landlord take back the space if you sublease, often at your cost, so you need language that requires them to pay you for unamortized TI costs if they recapture. Third, the cost-recovery provision should explicitly state that any sublease rent can include a premium to recoup your construction investment — without this, the landlord may argue that sublease rent must match your base rent. If your lease is silent on these, you're at the landlord's mercy. A well-negotiated lease will also cap the landlord's approval timeline (e.g., 10 business days) so you don't lose a subtenant while waiting. Always have a commercial real estate attorney review these clauses before you sign the master lease — fixing them after construction starts is nearly impossible.

The Buildout Stage And Its Impact On Recovery

construction site with partial drywall and exposed framing

The stage of your buildout dramatically affects how much cost you can recover. If you sublease before construction starts, you have the most leverage — you can assign the lease and the TI allowance to the subtenant, who takes over the buildout from scratch. In this scenario, you typically recover zero sunk costs (since you haven't spent anything yet), but you avoid future liability. If you sublease mid-construction (say, after framing and MEP rough-in), you're in the worst position: the space is unfinished, the subtenant sees only a liability, and you'll likely need to discount the sublease rent or pay to complete the work yourself. Recovering costs here is tough — expect to eat 30% to 50% of your sunk investment. If you sublease after substantial completion (paint, floors, lights on), you have a finished product that can command market rent, and you can set sublease rent high enough to recoup your TI costs over the remaining lease term. The sweet spot: finish the buildout to a generic, flexible standard (open floor plan, modular furniture, neutral finishes) so it appeals to the widest pool of subtenants. A specialized buildout (custom labs, restaurant kitchens, data centers) is nearly impossible to sublease mid-stream — you're stuck.

Calculating Your Recoverable Costs

spreadsheet with construction cost breakdown and sublease rent projections

To figure out what you can recover, you need a cost-recovery model that separates recoverable from sunk costs. Start with your total construction costs (hard costs like materials and labor, plus soft costs like design fees and permits). Subtract any TI allowance paid by the landlord — that's free money you don't need to recover. The remainder is your out-of-pocket investment. Now, calculate the unamortized balance by spreading that investment over the lease term using straight-line amortization. For example, if you spent $200,000 out-of-pocket on a 5-year lease, you amortize $40,000 per year. If you sublease after 18 months, your unamortized balance is $140,000 (3.5 years remaining). To recover that, you need sublease rent that covers your base rent plus an extra $40,000 per year — that's a $3.33 per square foot premium on 12,000 sq ft. The market must support that premium, or you'll have to write down the loss. Also factor in broker commissions (typically 4% to 6% of total sublease rent) and legal fees for the sublease agreement — those eat into recovery. A realistic recovery range: 60% to 90% of your out-of-pocket costs if the space is generic and the market is strong; 20% to 50% if the buildout is specialized or the market is weak.

The Landlord's Recapture Right And How To Navigate It

landlord and tenant shaking hands at a conference table

Most commercial leases include a recapture clause that lets the landlord terminate your lease if you sublease, effectively stealing your subtenant deal. This is the single biggest threat to cost recovery. When a landlord recaptures, they take the space back and lease it directly to your subtenant, cutting you out entirely. You lose any ability to recover your construction costs because the lease ends and you have no rent stream. To protect yourself, negotiate a recapture buyout provision in your master lease: if the landlord recaptures, they must pay you the unamortized balance of your TI costs plus a relocation allowance. Some landlords will agree to this if you frame it as a fair trade — they get a creditworthy tenant, you get your investment back. Another tactic: structure the sublease as a management agreement or license rather than a traditional sublease, which may avoid triggering the recapture clause (but check local law). If the landlord insists on a recapture right, ask for a right of first refusal — meaning they can only recapture if they match your sublease terms, including paying for your TI. Without these protections, subleasing mid-buildout is a gamble where the house (landlord) always wins.

CRO SYNDICATE

The Tax Implications Of Subleasing And Cost Recovery

tax form with construction depreciation schedule

Subleasing mid-buildout creates tax consequences that can affect your net recovery. Under IRS guidelines, your construction costs are generally capital improvements that must be depreciated over the lease term (or 39 years for commercial real estate if you own the building). If you sublease, you may need to write off the remaining undepreciated balance as a loss, which can offset other income — but only if the sublease is at a loss. If you recover costs by charging higher sublease rent, that rent is ordinary income, taxed at your marginal rate. The tax treatment of a TI allowance also matters: if the landlord gave you a TI allowance and you sublease, that allowance may be considered taxable income to you if you don't spend it on improvements. To minimize tax hit, structure the sublease so that the subtenant reimburses you directly for unamortized TI costs as a capital contribution rather than rent — this may be treated as a return of capital, not income. Always consult a tax professional before signing a sublease mid-buildout, because a misstep can turn a recovery into a tax bill. Also consider cost segregation — if you've already done it, you may have accelerated depreciation that reduces your basis, making the loss smaller.

Marketing The Unfinished Space To Subtenants

real estate broker showing unfinished commercial space to potential tenant

Selling an unfinished space requires a different pitch than a finished one. Focus on the value proposition: the subtenant gets a below-market base rent (since you're desperate) and the ability to customize the buildout to their needs. Highlight the TI allowance you've already secured from the landlord — if it's generous, that's a huge selling point because the subtenant doesn't have to negotiate it. Create a marketing package that includes:

Floor plans with current buildout stage marked
Budget breakdown showing what's been spent and what's remaining
TI allowance details and any unused portion
Permit status (if permits are already pulled, that's a time-saver)
Landlord consent letter confirming sublease is allowed

Target tenants who need space fast — startups, pop-ups, or companies on a short timeline — because your unfinished space can be delivered faster than a ground-up buildout. Use a commercial real estate broker who specializes in subleases; they have databases of tenants looking for short-term or flexible space. Be transparent about the buildout stage and any liens from contractors — a subtenant will run a title search, and surprise liens kill deals. If the space is truly half-finished, consider offering a rent abatement for the first few months to offset the subtenant's completion costs. The goal is to make the subtenant feel like they're getting a deal, not inheriting a problem.

FAQ

What if my lease says I can't sublease at all? Then you cannot sublease without the landlord's written consent, and they can refuse for any reason — you'll need to negotiate a lease amendment, which usually costs you something (like a rent increase or fee).

Can I recover my construction costs through a lease assignment instead of a sublease? Yes, an assignment transfers your entire lease to a new tenant, and you can negotiate a buyout where the assignee pays you for your TI investment. Assignments often have fewer landlord restrictions than subleases.

What happens to my TI allowance if I sublease? The TI allowance stays with the space — the landlord already funded it. If you sublease, the subtenant benefits from the improvements you made with that allowance, but you don't have to repay it. Any unused TI allowance typically reverts to the landlord.

Do I need to tell my landlord I'm subleasing mid-buildout? Yes, almost always — your lease will require written notice and often landlord approval. Failing to disclose can be a default that lets the landlord terminate your lease and keep your improvements.

Can I sublease only part of the space mid-buildout? Yes, partial subleases are common, but they're more complex because you remain liable for the whole space. You'll need to physically separate the subleased area (walls, meters, HVAC zones), which adds cost.

What if the subtenant defaults on rent? You remain primarily liable to the landlord for all rent and obligations under the master lease. If the subtenant stops paying, you must cover their rent or face eviction. Always require a security deposit from the subtenant.

Sources

International Code Council (ICC) — Building codes and permitting standards
National Association of Realtors (NAR) — Commercial lease and sublease guidelines
IRS Publication 946 — How to Depreciate Property (for TI cost recovery)
Building Owners and Managers Association (BOMA) — Lease standard practices
American Institute of Architects (AIA) — Construction contract documents
National Association of Industrial and Office Properties (NAIOP) — Commercial real estate development best practices
Cornell University Legal Information Institute — Lease assignment and sublease law

flowchart TD A[Tenant signs master lease with TI allowance] --> B[Tenant begins buildout] B --> C{Circumstances change?} C -->|Yes - need to sublease| D[Review lease for sublease rights] D --> E{Landlord consent required?} E -->|Yes - negotiate consent terms| F[Landlord approves sublease] E -->|No - proceed directly| F F --> G{Recapture clause exists?} G -->|Yes - negotiate TI buyout| H[Landlord pays unamortized TI or waives recapture] G -->|No - full control| I[Tenant markets unfinished space] H --> I I --> J{Buildout stage?} J -->|Pre-construction| K[Assign lease with TI allowance to subtenant] J -->|Mid-construction| L[Complete to generic standard or discount rent] J -->|Post-completion| M[Sublease at premium rent to recover costs] K --> N[Tenant recovers zero sunk costs but avoids liability] L --> O[Tenant recovers 20-50% of out-of-pocket costs] M --> P[Tenant recovers 60-90% of out-of-pocket costs] N --> Q[Subtenant takes over buildout] O --> Q P --> Q Q --> R[Sublease executed - tenant monitors compliance]

flowchart TD A[Tenant decides to sublease mid-buildout] --> B[Assess buildout stage and sunk costs] B --> C[Calculate unamortized TI balance] C --> D[Review lease for sublease rights and recapture] D --> E{Landlord cooperation?} E -->|Cooperative| F[Negotiate recapture buyout or waiver] E -->|Hostile| G[Consider lease assignment or buyout] F --> H[Market space to subtenants] G --> H H --> I[Subtenant expresses interest] I --> J[Disclose buildout stage and costs] J --> K{Negotiate sublease terms} K --> L[Set sublease rent to cover base rent plus TI recovery] K --> M[Offer rent abatement or TI credit to close deal] L --> N[Execute sublease agreement] M --> N N --> O[Monitor subtenant compliance and landlord obligations] O --> P[File taxes with proper depreciation and income treatment]

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<svg xmlns="https://www.w3.org/2000/svg" viewBox="0 0 1200 340" role="img" aria-label="Can I Sublease a Space Mid-Buildout and Recover My Construction Costs? — PULSE Buildouts"><rect width="1200" height="340" fill="#EBE9DE"/><rect width="14" height="340" fill="#C0531F"/><text x="58" y="116" font-family="Arial,Helvetica,sans-serif" font-size="32" font-weight="800" letter-spacing="3" fill="#C0531F">PULSE BUILDOUTS · COMMERCIAL REAL ESTATE</text><text x="56" y="198" font-family="Arial,Helvetica,sans-serif" font-size="60" font-weight="800" fill="#2b2b2b">Save money. Don’t get screwed.</text><text x="58" y="258" font-family="Arial,Helvetica,sans-serif" font-size="30" font-weight="600" fill="#6b5b4d">Leases, TI, NNN &amp; buildouts — negotiated in your favor</text><g transform="translate(1010,86)" fill="none" stroke="#C0531F" stroke-width="9" stroke-linejoin="round"><rect x="20" y="40" width="150" height="130"/><line x1="20" y1="40" x2="95" y2="6"/><line x1="170" y1="40" x2="95" y2="6"/><rect x="50" y="80" width="36" height="36"/><rect x="104" y="80" width="36" height="36"/><rect x="74" y="128" width="42" height="42"/></g></svg>

# Can I Sublease a Space Mid-Buildout and Recover My Construction Costs?

## Direct Answer

Yes, you can sublease a space mid-buildout and recover some or all of your **construction costs**, but it hinges entirely on your lease language, the state of the buildout, and market demand — it's not a guaranteed escape hatch. The most common path is a **turnkey sublease** where you finish the improvements and then assign the lease or sublease the space at a rent that recoups your **tenant improvement (TI)** investment, often by charging a premium over your base rent. However, if you sublease mid-construction, you're selling an unfinished product, and most subtenants will demand a discount or require you to complete the work at your cost. The real key: your **master lease** must explicitly permit subleasing or assignment, and you must have a **recapture clause** that doesn't let the landlord steal your deal. Recovering costs is most realistic when the buildout is generic (open plan, standard finishes) and the subtenant can use it as-is, or when you've secured **above-market TI allowances** from the landlord that you can pass through. Never start a buildout planning to sublease — that's a red flag to lenders and landlords — but if circumstances change, a well-structured lease with **sublease rights** and **cost-recovery provisions** can save you from a total loss.

## The Lease Language That Makes Or Breaks Cost Recovery

![commercial lease document with sublease clause highlighted](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20commercial%20lease%20document%20with%20sublease%20clause%20highlighted%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=72941)

Your ability to sublease mid-buildout and recover costs starts with three critical lease clauses. First, the **sublease and assignment clause** must allow subleasing without landlord's *unreasonable* consent — many leases give the landlord absolute veto power, which kills your deal. Second, the **recapture clause** lets the landlord take back the space if you sublease, often at your cost, so you need language that requires them to pay you for **unamortized TI costs** if they recapture. Third, the **cost-recovery provision** should explicitly state that any sublease rent can include a premium to recoup your construction investment — without this, the landlord may argue that sublease rent must match your base rent. If your lease is silent on these, you're at the landlord's mercy. A well-negotiated lease will also cap the landlord's **approval timeline** (e.g., 10 business days) so you don't lose a subtenant while waiting. Always have a **commercial real estate attorney** review these clauses before you sign the master lease — fixing them after construction starts is nearly impossible.

## The Buildout Stage And Its Impact On Recovery

![construction site with partial drywall and exposed framing](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20construction%20site%20with%20partial%20drywall%20and%20exposed%20framing%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=84712)

The stage of your buildout dramatically affects how much cost you can recover. If you sublease **before construction starts**, you have the most leverage — you can assign the lease and the **TI allowance** to the subtenant, who takes over the buildout from scratch. In this scenario, you typically recover **zero sunk costs** (since you haven't spent anything yet), but you avoid future liability. If you sublease **mid-construction** (say, after framing and MEP rough-in), you're in the worst position: the space is unfinished, the subtenant sees only a liability, and you'll likely need to discount the sublease rent or pay to complete the work yourself. Recovering costs here is tough — expect to eat **30% to 50%** of your sunk investment. If you sublease **after substantial completion** (paint, floors, lights on), you have a finished product that can command market rent, and you can set sublease rent high enough to recoup your TI costs over the remaining lease term. The sweet spot: finish the buildout to a **generic, flexible standard** (open floor plan, modular furniture, neutral finishes) so it appeals to the widest pool of subtenants. A specialized buildout (custom labs, restaurant kitchens, data centers) is nearly impossible to sublease mid-stream — you're stuck.

## Calculating Your Recoverable Costs

![spreadsheet with construction cost breakdown and sublease rent projections](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20spreadsheet%20with%20construction%20cost%20breakdown%20and%20sublease%20rent%20projections%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=56123)

To figure out what you can recover, you need a **cost-recovery model** that separates recoverable from sunk costs. Start with your total **construction costs** (hard costs like materials and labor, plus soft costs like design fees and permits). Subtract any **TI allowance** paid by the landlord — that's free money you don't need to recover. The remainder is your **out-of-pocket investment**. Now, calculate the **unamortized balance** by spreading that investment over the lease term using straight-line amortization. For example, if you spent **$200,000** out-of-pocket on a 5-year lease, you amortize **$40,000 per year**. If you sublease after 18 months, your unamortized balance is **$140,000** (3.5 years remaining). To recover that, you need sublease rent that covers your base rent **plus** an extra **$40,000 per year** — that's a **$3.33 per square foot** premium on 12,000 sq ft. The market must support that premium, or you'll have to write down the loss. Also factor in **broker commissions** (typically 4% to 6% of total sublease rent) and **legal fees** for the sublease agreement — those eat into recovery. A realistic recovery range: **60% to 90%** of your out-of-pocket costs if the space is generic and the market is strong; **20% to 50%** if the buildout is specialized or the market is weak.

## The Landlord's Recapture Right And How To Navigate It

![landlord and tenant shaking hands at a conference table](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20landlord%20and%20tenant%20shaking%20hands%20at%20a%20conference%20table%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=63478)

Most commercial leases include a **recapture clause** that lets the landlord terminate your lease if you sublease, effectively stealing your subtenant deal. This is the single biggest threat to cost recovery. When a landlord recaptures, they take the space back and lease it directly to your subtenant, cutting you out entirely. You lose any ability to recover your construction costs because the lease ends and you have no rent stream. To protect yourself, negotiate a **recapture buyout provision** in your master lease: if the landlord recaptures, they must pay you the **unamortized balance of your TI costs** plus a **relocation allowance**. Some landlords will agree to this if you frame it as a fair trade — they get a creditworthy tenant, you get your investment back. Another tactic: structure the sublease as a **management agreement** or **license** rather than a traditional sublease, which may avoid triggering the recapture clause (but check local law). If the landlord insists on a recapture right, ask for a **right of first refusal** — meaning they can only recapture if they match your sublease terms, including paying for your TI. Without these protections, subleasing mid-buildout is a gamble where the house (landlord) always wins.

```mermaid
flowchart TD
    A[Tenant signs master lease with TI allowance] --> B[Tenant begins buildout]
    B --> C{Circumstances change?}
    C -->|Yes - need to sublease| D[Review lease for sublease rights]
    D --> E{Landlord consent required?}
    E -->|Yes - negotiate consent terms| F[Landlord approves sublease]
    E -->|No - proceed directly| F
    F --> G{Recapture clause exists?}
    G -->|Yes - negotiate TI buyout| H[Landlord pays unamortized TI or waives recapture]
    G -->|No - full control| I[Tenant markets unfinished space]
    H --> I
    I --> J{Buildout stage?}
    J -->|Pre-construction| K[Assign lease with TI allowance to subtenant]
    J -->|Mid-construction| L[Complete to generic standard or discount rent]
    J -->|Post-completion| M[Sublease at premium rent to recover costs]
    K --> N[Tenant recovers zero sunk costs but avoids liability]
    L --> O[Tenant recovers 20-50% of out-of-pocket costs]
    M --> P[Tenant recovers 60-90% of out-of-pocket costs]
    N --> Q[Subtenant takes over buildout]
    O --> Q
    P --> Q
    Q --> R[Sublease executed - tenant monitors compliance]
```

## The Tax Implications Of Subleasing And Cost Recovery

![tax form with construction depreciation schedule](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20tax%20form%20with%20construction%20depreciation%20schedule%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=39812)

Subleasing mid-buildout creates **tax consequences** that can affect your net recovery. Under **IRS guidelines**, your construction costs are generally **capital improvements** that must be **depreciated** over the lease term (or 39 years for commercial real estate if you own the building). If you sublease, you may need to **write off** the remaining undepreciated balance as a loss, which can offset other income — but only if the sublease is at a loss. If you recover costs by charging higher sublease rent, that rent is **ordinary income**, taxed at your marginal rate. The **tax treatment** of a TI allowance also matters: if the landlord gave you a **TI allowance** and you sublease, that allowance may be considered **taxable income** to you if you don't spend it on improvements. To minimize tax hit, structure the sublease so that the subtenant reimburses you directly for **unamortized TI costs** as a **capital contribution** rather than rent — this may be treated as a return of capital, not income. Always consult a **tax professional** before signing a sublease mid-buildout, because a misstep can turn a recovery into a tax bill. Also consider **cost segregation** — if you've already done it, you may have accelerated depreciation that reduces your basis, making the loss smaller.

## Marketing The Unfinished Space To Subtenants

![real estate broker showing unfinished commercial space to potential tenant](https://image.pollinations.ai/prompt/realistic%20editorial%20photograph%20of%20real%20estate%20broker%20showing%20unfinished%20commercial%20space%20to%20potential%20tenant%2C%20natural%20light%2C%20no%20text%2C%20no%20watermark?width=1200&height=675&nologo=true&model=flux&seed=27184)

Selling an unfinished space requires a different pitch than a finished one. Focus on the **value proposition**: the subtenant gets a **below-market base rent** (since you're desperate) and the ability to **customize the buildout** to their needs. Highlight the **TI allowance** you've already secured from the landlord — if it's generous, that's a huge selling point because the subtenant doesn't have to negotiate it. Create a **marketing package** that includes:
- **Floor plans** with current buildout stage marked
- **Budget breakdown** showing what's been spent and what's remaining
- **TI allowance details** and any unused portion
- **Permit status** (if permits are already pulled, that's a time-saver)
- **Landlord consent letter** confirming sublease is allowed

Target **tenants who need space fast** — startups, pop-ups, or companies on a short timeline — because your unfinished space can be delivered faster than a ground-up buildout. Use a **commercial real estate broker** who specializes in subleases; they have databases of tenants looking for short-term or flexible space. Be transparent about the buildout stage and any **liens** from contractors — a subtenant will run a title search, and surprise liens kill deals. If the space is truly half-finished, consider offering a **rent abatement** for the first few months to offset the subtenant's completion costs. The goal is to make the subtenant feel like they're getting a deal, not inheriting a problem.

```mermaid
flowchart TD
    A[Tenant decides to sublease mid-buildout] --> B[Assess buildout stage and sunk costs]
    B --> C[Calculate unamortized TI balance]
    C --> D[Review lease for sublease rights and recapture]
    D --> E{Landlord cooperation?}
    E -->|Cooperative| F[Negotiate recapture buyout or waiver]
    E -->|Hostile| G[Consider lease assignment or buyout]
    F --> H[Market space to subtenants]
    G --> H
    H --> I[Subtenant expresses interest]
    I --> J[Disclose buildout stage and costs]
    J --> K{Negotiate sublease terms}
    K --> L[Set sublease rent to cover base rent plus TI recovery]
    K --> M[Offer rent abatement or TI credit to close deal]
    L --> N[Execute sublease agreement]
    M --> N
    N --> O[Monitor subtenant compliance and landlord obligations]
    O --> P[File taxes with proper depreciation and income treatment]
```

## FAQ

**What if my lease says I can't sublease at all?**
Then you cannot sublease without the landlord's written consent, and they can refuse for any reason — you'll need to negotiate a lease amendment, which usually costs you something (like a rent increase or fee).

**Can I recover my construction costs through a lease assignment instead of a sublease?**
Yes, an **assignment** transfers your entire lease to a new tenant, and you can negotiate a **buyout** where the assignee pays you for your TI investment. Assignments often have fewer landlord restrictions than subleases.

**What happens to my TI allowance if I sublease?**
The TI allowance stays with the space — the landlord already funded it. If you sublease, the subtenant benefits from the improvements you made with that allowance, but you don't have to repay it. Any unused TI allowance typically reverts to the landlord.

**Do I need to tell my landlord I'm subleasing mid-buildout?**
Yes, almost always — your lease will require **written notice** and often landlord approval. Failing to disclose can be a **default** that lets the landlord terminate your lease and keep your improvements.

**Can I sublease only part of the space mid-buildout?**
Yes, **partial subleases** are common, but they're more complex because you remain liable for the whole space. You'll need to physically separate the subleased area (walls, meters, HVAC zones), which adds cost.

**What if the subtenant defaults on rent?**
You remain **primarily liable** to the landlord for all rent and obligations under the master lease. If the subtenant stops paying, you must cover their rent or face eviction. Always require a **security deposit** from the subtenant.

## Sources

- International Code Council (ICC) — Building codes and permitting standards
- National Association of Realtors (NAR) — Commercial lease and sublease guidelines
- IRS Publication 946 — How to Depreciate Property (for TI cost recovery)
- Building Owners and Managers Association (BOMA) — Lease standard practices
- American Institute of Architects (AIA) — Construction contract documents
- National Association of Industrial and Office Properties (NAIOP) — Commercial real estate development best practices
- Cornell University Legal Information Institute — Lease assignment and sublease law

## Related on PULSE

- Explore more in the PULSE library.

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