Preconstruction Agreement: What It Is and Why Builders Charge for It
A preconstruction agreement is a short, paid contract between you and a builder that covers the work done before a construction contract is signed: budgeting while the home is being designed, reviewing plans for cost and buildability, evaluating the site, gathering trade bids, and writing specifications. It ends with a detailed price and scope you can use to decide whether to build. Builders charge for it because it’s many hours of real work, and because a number produced for free is usually worth what you paid for it.
I’m a builder, so you can discount what I say next by whatever you think is fair. But I’ve watched plenty of people spend a year and a lot of design fees on plans, then find out at bid time that the house is far over budget. A preconstruction agreement exists to keep that from happening.
What is preconstruction?
Preconstruction is everything that has to happen between “we want to build a house” and the first day of site work. On a custom home, that’s a long list:
Budgeting at each stage of design, from first sketch to final drawings
Site evaluation, including utilities, access, slope, and soils
Plan review for details that are expensive, hard to build, or likely to cause problems
Coordination with the architect, engineer, and designer
Specifications, the written description of every material and product
Trade bids from the subcontractors and suppliers who’ll do the work
Scheduling and identifying long lead-time items
Permit preparation
Somebody does this work on every house. The only questions are when it happens and whether the person doing it is being paid to be careful.
What is a pre construction services agreement?
A pre construction services agreement, also called a preconstruction services agreement, is the contract that hires a builder to do that work for a fee. It’s separate from the construction contract. In most versions you aren’t obligated to build with that builder when it’s done, and the builder isn’t yet committed to a construction price until the work is finished.
It’s common in design-build arrangements and any time a builder joins the team during design instead of bidding finished plans at the end.
Why do builders charge for a preconstruction agreement?
Pricing a custom home properly is a big job. There’s no catalog to look it up in. The builder has to study the drawings, write a scope for each trade, send plans out, chase bids, check that those bids cover the same things, and assemble it all into a budget. Then the design changes and part of it gets done again.
When that work is free, one of two things happens. Either the builder does it quickly, and you get a rough number dressed up as a real one, or the builder does it well and recovers the cost in the price of the homes they do win. The fee changes the incentive. A paid builder can afford to tell you the truth early, including “this design is over your budget,” because they aren’t gambling their time on winning the job.
It also filters both sides. You find out how the builder communicates and solves problems before you’ve committed to a year or more together. The builder finds out the same about you.
What does a preconstruction agreement cost?
It depends on the builder and the scope. Fees are commonly structured one of three ways: a flat fee, an hourly rate with a cap, or a percentage tied to the expected construction cost. Many builders credit some or all of the fee toward the construction contract if you go on to build with them. Not all do, so ask.
The better question is what you get for it. A fee is only expensive if the deliverables are vague.
What should a preconstruction agreement template include?
Whether your builder uses their own form or a preconstruction agreement template from an attorney or trade association, check that it answers these questions:
Scope of services. What exactly will the builder do, and at which stages of design?
Deliverables. For example, a preliminary budget, an updated budget at each design milestone, written specifications, a schedule, and a final proposal.
Fee and payment terms. The amount, when it’s due, and what happens if the scope grows.
Credit toward construction. Whether the fee is applied to the build, and under what conditions.
Timeline. How long each round of pricing should take.
Ownership of the work. If you don’t build with this builder, do you keep the budget and specifications? Can you share them with others?
No obligation to proceed. Confirmation that either side can walk away, and what’s owed if that happens.
What’s excluded. Architect and engineering fees, surveys, soils reports, and permit fees are usually paid separately.
It’s a contract, so have your attorney look at it if anything is unclear.
Is a preconstruction agreement worth it?
For a custom home, I think it usually is. The fee is small next to the cost of the house, and it buys you the thing that’s hardest to get any other way: a budget that tracks the design while the design can still change.
Here’s a hypothetical with round numbers. Say your construction budget is $1,200,000, and the first pricing round on the schematic design comes back at $1,400,000. With a builder at the table, you spend a few weeks simplifying the roof, trimming some square footage, and rethinking a wall of glass. That’s value engineering at the cheapest possible moment. Without the builder, you find the same $200,000 problem after the full drawings are complete and paid for, and the fix is a redesign.
It’s less necessary when the decisions are already made. If you’re building a builder’s existing plan with their standard specifications, most of the preconstruction work has been done before you showed up.
A good preconstruction phase also leaves you with a clear picture of what you’ll need to decide and when. If you’d like that laid out step by step for the whole build, take a look at our Home Construction Checklist (Homeowner Edition). And for more on what moves the number, see cost to build a custom home.
Frequently asked questions
Is a preconstruction agreement the same as a construction contract?
No. It covers planning and pricing only. The construction contract is a separate document signed once the price and scope are final.
Do I have to build with the builder after a preconstruction services agreement?
Usually not, but read the agreement. It should say plainly whether either side is obligated to proceed and who keeps the work product.
Is the preconstruction fee refundable?
Generally no, since it pays for work performed. Many builders credit it toward the construction contract if you move forward with them.
How long does preconstruction take on a custom home?
It runs alongside design, so often several months. The timeline depends mostly on how quickly the design and your decisions come together.
BTW, if you want a step-by-step system to keep you organized from preconstruction through move-in, grab our Home Construction Checklist (Homeowner Edition) over at the Building Optimal Shop. Proceeds go to benefit, Exponencialistas, my non-profit investing in entrepreneurs transforming their communities in Latin America.