What is a completion bond in construction?
A completion bond is a surety bond that guarantees a construction project will be finished and paid for, usually protecting the lender or owner that is funding it. People often use the term loosely for a performance bond. In stricter usage it guarantees completion free of liens, and the private bond form controls what it covers.
A completion bond is a three-party guarantee. A surety promises the obligee, typically a construction lender or a project owner, that the work will be completed free of liens if the principal fails to finish it. The principal can be the contractor or, on some deals, the developer. The term is used loosely: on many jobs people say "completion bond" when they mean a performance bond, and some lenders use it for a bond that guarantees both finishing the work and having the money to do so.
Completion bond vs performance bond
| Feature | Performance bond | Completion bond (lender style) |
|---|---|---|
| Who is protected | The owner | Usually the lender, sometimes also the owner |
| What is guaranteed | The contractor performs its contract | The project is finished and delivered free of liens |
| Funding risk | Owner remains responsible for paying the contract price | May cover the gap if the developer cannot fund completion, depending on the wording |
| Where common | Public work and many private commercial jobs | Private financed projects, subdivision improvements, specialty deals |
On federal construction, the Miller Act requires a performance bond and a payment bond before award of any contract of more than $100,000. Those are the bonds named in the statute. A completion bond, in the lender sense, is a creature of the private deal and the bond form controls what it covers.
How it works on a real deal
Say a bank is lending $6 million on a 40-unit apartment building. The bank's worry is not just that the GC walks off. It is that the building ends up 70 percent done with a stack of liens and no money left. So the loan terms require a completion bond naming the bank. Halfway through, the GC defaults. The surety investigates, then either finances the original GC, brings in a replacement contractor, or pays the obligee under the bond terms. The bank's collateral gets finished, and the surety turns to the principal and its indemnitors to recover its costs.
Underwriting for a lender-style completion bond can also be tougher than for a standard performance bond, since the surety may be looking at the developer's finances as well as the contractor's. Expect more financial disclosure and plan the timeline into your preconstruction schedule so the bond does not hold up loan closing.
Common mistakes
- Assuming every bond with "completion" in the title covers financing shortfalls. Read the bond form, not the cover email.
- Forgetting the indemnity agreement. Owners of the contracting company usually sign personally, so a claim can reach personal assets.
- Missing notice requirements. Bonds typically require the obligee to declare default and give notice in a set way before the surety must act.
- Letting the contract change (scope, price, schedule) without surety consent where the bond requires it.
Related terms
See bonding company, maintenance bond, and subcontractor default insurance. For how sureties size your program, read how bonding capacity is calculated for contractors.
Frequently asked questions
Is a completion bond the same as a performance bond?
Sometimes the terms are used interchangeably. In stricter usage, a completion bond protects a lender and guarantees the project is finished free of liens, while a performance bond guarantees the contractor performs its contract for the owner.
Who pays for a completion bond?
The principal (usually the contractor or developer) pays the premium, though it is often built into the contract price or project budget.
Are completion bonds required on public projects?
Federal and most state public works require performance and payment bonds under their statutes. Completion bonds in the lender sense are mostly a private financing requirement.
What happens when a surety pays on a completion bond?
The surety seeks reimbursement from the principal and any individual indemnitors under the indemnity agreement signed when the bond was issued.
