What Is Build-to-Suit Exchange?
In a build-to-suit exchange, you sell Property A and use the proceeds to build Property B — a custom replacement from the ground up. The exchange accommodation titleholder (EAT) takes title to the land, oversees construction, and transfers the completed property to you before day 180. You can identify land plus planned improvements in your 45-day identification. The 180-day clock is strict — construction must finish in time. Risks include delays, cost overruns, and contractor failures. The advantage: you get exactly the property you want — self-storage, multifamily, industrial — instead of settling for whatever is on the market. It's a more complex version of an improvement exchange.
A build-to-suit exchange is a 1031 exchange in which the replacement property is constructed from scratch — you identify land (and planned improvements), the exchange accommodator or titleholder acquires it, construction is completed using your exchange proceeds, and the finished property is transferred to you within the 180-day exchange period.
At a Glance
- What it is: A 1031 exchange where the replacement property is built from scratch using exchange proceeds
- Why it matters: Lets you create a custom replacement — self-storage, multifamily, etc. — instead of buying existing
- Structure: EAT (exchange accommodation titleholder) holds title, oversees construction, transfers completed property
- Timeline: Same 45-day ID, 180-day completion — construction must finish within the exchange period
How It Works
EAT structure. The exchange accommodation titleholder (EAT) is an entity that holds title during the exchange. You sell your relinquished property; the QI receives proceeds. The EAT acquires the land (and possibly existing improvements) using exchange funds. The EAT contracts for construction, pays for it with your exchange proceeds, and when the project is complete, transfers the finished property to you. You never take title until the improved property is ready — that's the "parking" structure.
45-day identification. You can identify "land + planned improvements" — e.g., "Lot 5, Block 2, plus construction of a 40-unit self-storage facility per attached plans and specifications." The identification must be specific enough to satisfy the IRS. Work with a QI and attorney who've done build-to-suit exchanges.
180-day completion. The entire project — land acquisition, construction, certificate of occupancy — must be done and the property transferred to you within 180 days of the sale of your relinquished property. No extensions. Construction delays, permit holdups, or contractor failures can blow the exchange. Pad the schedule and have contingency plans.
Spending all proceeds. As with an improvement exchange, you must deploy all exchange proceeds to avoid exchange boot. Land + construction costs should absorb the full amount. Cost overruns can be covered with outside funds; cost underruns leave you with boot unless you identify additional scope.
Real-World Example
Investor in Indianapolis, Indiana. You sell a strip mall for $1.2 million. Net proceeds after mortgage and costs: $600,000. You identify a 2-acre parcel ($180,000) plus construction of a 50-unit self-storage facility ($420,000 budget). Your EAT acquires the land, then builds per your plans. Construction runs 4 months — foundation, metal building, climate control, doors, office. Total cost: $605,000 (slightly over — you add $5K from outside). The facility is complete and transferred to you on day 165.
You've deferred your gain and ended up with a purpose-built self-storage property — exactly what you wanted, in the location you chose. The 1031 exchange preserved your basis and deferred taxes. The risk was real — a 2-week permit delay could have pushed you past day 180.
Pros & Cons
- Create a custom replacement — self-storage, multifamily, industrial — tailored to your strategy
- No need to settle for existing inventory; build to your specs
- Same tax deferral as a standard 1031 exchange
- Can target higher-yield product types (e.g., self-storage) that may not be available as turnkey
- Construction must finish in 180 days — tight for ground-up projects
- Cost overruns require outside capital; underruns create exchange boot
- More complex and expensive than a standard exchange — EAT fees, legal, construction management
- Contractor or permit delays can kill the exchange
Watch Out
- Timing risk: Ground-up construction is the biggest risk — permits, weather, contractor performance. Build in 30–45 days of buffer
- Boot risk: If construction costs less than planned, unspent proceeds = exchange boot; identify backup improvements
- EAT selection: Use an experienced accommodator; build-to-suit is specialized
- Identification risk: Your 45-day ID must clearly describe the improvements — vagueness can invite IRS challenge
Ask an Investor
The Takeaway
A build-to-suit exchange lets you use 1031 exchange proceeds to construct a custom replacement property from scratch. It's powerful when the right turnkey replacement doesn't exist — you create it. But the 180-day clock is unforgiving for ground-up construction. Choose your site and contractor carefully, pad the schedule, and work with an experienced EAT and attorney. Execute well and you'll defer taxes while landing the exact asset you want.