Construction Change Order

A signed amendment to a construction or home improvement contract: what changes, what it adds to or deducts from the price, the revised contract sum, how many days it adds to the schedule, and confirmation that everything else in the contract stays the same.

Updated September 2026≈ 5 min
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Sample first page of the Construction Change Order: title block and opening sections with blanks to fillView larger
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Sample first page of the Construction Change Order. Your answers fill in the blanks; the clauses required in your state are added automatically.

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Sample first page of the Construction Change Order: title block and opening sections with blanks to fill

Sample first page of the Construction Change Order. Your answers fill in the blanks; the clauses required in your state are added automatically.

Choose your state

Select a state to load the correct statutory rules.

Compare Construction Change Order rules in all 50 states

Key statutory numbers side by side. Click a column header to sort, or type to find your state — each state name opens the state-specific generator.

AlabamaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
AlaskaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
ArizonaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
ArkansasNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
CaliforniaYesRequiredThe change in price must be stated; the effect on the schedule or completion date…A contractor may not collect payment for work not yet completed or for materials not…
ColoradoNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
ConnecticutYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price is not expressly mandated by the statuteNo confirmed statutory limit on when a change order may be billed; pay for extra work…
DelawareNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
District of ColumbiaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
FloridaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
GeorgiaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
HawaiiNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
IdahoNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
IllinoisNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
IndianaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
IowaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
KansasNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
KentuckyNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
LouisianaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
MaineYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price must be statedThe home construction contract's down payment is limited by statute, and the limit is…
MarylandNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleA home improvement contractor may not require or accept a payment that is more than…
MassachusettsNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleA deposit taken before work begins may not exceed the greater of one-third of the…
MichiganNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
MinnesotaYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price must be statedNo confirmed statutory limit on when a change order may be billed; pay for extra work…
MississippiNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
MissouriNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
MontanaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
NebraskaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
NevadaYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price must be statedThe schedule of payments may never let the contractor receive more than 100 percent…
New HampshireNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
New JerseyYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price is not expressly mandated by the statuteNo confirmed statutory limit on when a change order may be billed; pay for extra work…
New MexicoNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
New YorkNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleEvery progress payment must bear a reasonable relationship to the amount of work to…
North CarolinaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
North DakotaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
OhioNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
OklahomaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
OregonNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
PennsylvaniaYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price must be statedNo confirmed statutory limit on when a change order may be billed; pay for extra work…
Rhode IslandNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
South CarolinaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
South DakotaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
TennesseeNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
TexasNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
UtahNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
VermontNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
VirginiaYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price must be stated; the effect on the schedule or completion date…No confirmed statutory limit on when a change order may be billed; pay for extra work…
WashingtonNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
West VirginiaNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…
WisconsinYesNot stated in the statute; signing before the work starts is the practice the statute…The change in price is not expressly mandated by the statute; the effect on the…No confirmed statutory limit on when a change order may be billed; pay for extra work…
WyomingNot required by a confirmed statuteNo confirmed statutory rule; sign before the changed work starts so the extra is not…No confirmed statutory content ruleNo confirmed statutory limit on when a change order may be billed; pay for extra work…

Values are shortened; open the state page for the full rule and its citation.

What this document covers

  • Change order number and the contract it amends
  • Contractor, licence number and owner
  • Project address and the date of the original contract
  • What changes, in the owner's and the contractor's words
  • Why it changes — owner request, hidden condition, code or design
  • Itemized pricing or a lump sum, added or deducted
  • Revised contract sum after every previous change order
  • Days added to the schedule and the new completion date
  • Payment terms for this change alone
  • Confirmation that every other contract term stays in force

How to use this Construction Change Order in US

No statewide home improvement rule requiring a written change order was confirmed for your state, so the contract's own change clause and the general law of contracts decide the question (Common law of contracts; state statute of frauds). A change order is not a new contract: it names the original contract and its date, describes exactly what changes, prices the change, and says what it does to the completion date. Everything the contract said before stays in force unless this document changes it.

Price the change the way the owner can check it. Line items — quantity times unit price, labour and materials separated — are what survive a dispute; a lump sum belongs on small, obvious work. Say plainly whether the amount is added to the contract or deducted from it, then carry the arithmetic all the way through: original contract sum, plus the net of every earlier change order, plus or minus this one, equals the revised contract sum. That last number is the only price that should appear on the next invoice, on the lender's draw request and in any lien claim.

Deal with time and money in the same document. Write the schedule effect in whole days, even when it is zero — leave it blank and the original completion date usually still binds, which is how a contractor ends up late because of a change the owner asked for. On payment, no statutory limit was confirmed for your state, so the contract governs; billing the change as the changed work is performed is the practice that keeps both sides out of trouble. A deposit for special-order or custom material is the one sensible exception.

Sign before the changed work starts, and give the owner a copy the same day. Signing first is what makes the order provable: the file shows the price was agreed before anyone swung a hammer, not negotiated afterwards.. Keep the signed order with the contract, the invoices and the lien waivers — together they are the whole story of what the job cost.

Other names

  • change order
  • construction change order
  • contract amendment contractor
  • extra work order
  • change order form
  • work order change
  • variation order
  • contract modification construction
  • remodel change order
  • addendum to construction contract

Related documents

Blank Construction Change Order forms by state

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FormsByState provides self-help document templates and general information, not legal advice. We are not a law firm. For advice about your situation consult a licensed attorney in your state.