A contractor dispute is easier to manage when you deal with the property, the paperwork, and the payment question separately. If the work is unfinished, defective, delayed, or more expensive than expected, make urgent hazards safe first. Then preserve the condition, read the contract, give written notice, and choose a resolution path.

U.S. contractor, cancellation, licensing, and mechanics-lien rules vary by state. There isn't a universal three-day cancellation right for home-improvement contracts, and a lien doesn't always create the same response deadline. If a lien, foreclosure threat, major structural defect, termination, or arbitration demand is involved, get local legal help promptly.

What to do first

1. Make the property safe. Address active leaks, exposed wiring, structural hazards, or other emergencies. Take photos before emergency work if doing so won't put anyone at risk, and keep the emergency invoice.
2. Preserve the project. Photograph and video unfinished or defective work. Don't demolish, cover, or alter disputed work until you've documented it and considered whether an inspection is needed.
3. Create one evidence file. Save the contract, plans, estimates, change orders, invoices, receipts, texts, emails, payment records, inspection reports, and delivery records.
4. Read the payment terms before withholding money. Separate disputed charges from amounts the contract clearly requires you to pay. A blanket payment stoppage can lead to a claim, work stoppage, or lien.
5. Send written notice. Describe each problem, identify the related contract term, and ask for a correction plan and deadline. Follow any notice-and-cure clause.
6. Treat a lien notice as urgent. Record when you received it, review its deadlines, and gather payment and lien-waiver records. State law controls the response.
7. Keep negotiations in writing. A short email after a phone call can confirm what was promised and when.
8. Get a completion or repair estimate. Use an itemized estimate from an independent professional rather than a round number based on frustration.

What controls the dispute?

Start with three sources:

• The contract and incorporated documents: The proposal, drawings, specifications, allowances, schedule, warranty, and approved change orders may all be part of the agreement. An invoice or vague estimate may not show the full scope.
• State and local law: State rules may address home-solicitation cancellations, licensing, lien notices, payment disputes, warranties, court deadlines, and recovery funds. A local building department generally deals with permits and code compliance; it may not decide whether a contractor kept every private promise.
• The dispute procedure: The agreement may require written notice, mediation, arbitration, or another step before a lawsuit. It may also set a notice period or a required delivery method.

Keep contract compliance, code compliance, and payment separate in your records. A building inspector's approval doesn't necessarily prove that the work meets every contractual specification. Likewise, an invoice doesn't automatically establish that the amount is due.

The FTC three-day cancellation rule

The federal FTC Cooling-Off Rule may give a buyer three business days to cancel certain sales made at the buyer's home, workplace, dormitory, or a seller's temporary location. It isn't a blanket right to cancel every home-improvement contract after signing.

The rule has exclusions, including some emergency transactions and sales made after prior negotiations at the seller's regular place of business. State law may give you different or additional rights. A contract signed at the contractor's regular business location may not qualify under the federal rule.

When the rule applies, the seller generally must provide a contract or receipt and two copies of a cancellation form. Sign and date one form, or write a cancellation letter if the forms weren't provided. The FTC says the cancellation must be postmarked before midnight of the third business day after the sale. Certified mail with tracking can help prove when you sent it. Keep the form or letter, the mailing record, and copies of the contract.

Act quickly if you think the rule applies. Ask your state attorney general or consumer-protection agency about home-improvement cancellation rights, forms, and deadlines. If work has started, materials have arrived, or the contractor arranged a separate loan, find out how cancellation affects those arrangements before taking further action.

Read the contract before changing your payment position

Look for these terms:

• The contractor's legal name and address
• The detailed scope, exclusions, materials, and product allowances
• Plans, specifications, and promised finishes
• Start and completion dates, milestones, and delay provisions
• Deposits, progress payments, retainage, and the final payment
• Written change-order requirements
• Warranty coverage and repair procedures
• Permit and inspection responsibilities
• Subcontractor and supplier provisions
• Termination and cure requirements
• Mediation, arbitration, venue, and notice clauses
• Lien-waiver requirements

Make a project list with four labels: complete, incomplete, defective, and changed. Match each disputed item to a contract section, plan, approved change order, photograph, or invoice. That comparison is often more useful than an argument about whether the project "looks finished."

For an unexpected bill, request an itemized explanation of labor, materials, allowances, credits, change orders, and unexplained fees. If the contract is time-and-materials or based on an estimate, the pricing rules may differ from a fixed-price agreement.

The FTC's home-improvement guidance recommends not making the final payment until the work is finished and you're satisfied with it. That's useful fraud-prevention guidance, but it doesn't automatically cancel a payment obligation. Follow the contract and check state law before withholding a substantial or undisputed amount.

Financing is a separate obligation. If the contractor arranged a home-improvement loan or home-equity product, contact the lender directly. Confirm the interest rate, cancellation terms, funding schedule, and who is authorized to request or release a draw. Never sign blank loan, payment, or completion documents.

Build an evidence file

Create a timeline from the first estimate through the most recent contact. Include promised dates, actual work dates, inspections, approved changes, payments, missed appointments, work stoppages, and repair promises.

Keep original emails and messages when possible, not just screenshots. For a phone call, send a brief confirmation such as, "This confirms that you said the tile work will be completed by Friday." If the other person disagrees, that response becomes part of the record too.

An independent inspection can help distinguish a cosmetic disagreement from incomplete work, unsafe work, work outside the agreed scope, or a possible code violation. It doesn't guarantee a particular result. For water, structural, electrical, or other technical problems, ask what should be documented before any repair begins.

Send a written notice

A complaint letter should be specific rather than aggressive. It may not satisfy a formal legal-notice requirement, so follow the contract's required wording and delivery method.

Use a structure like this:

Subject: Notice of incomplete or defective work under the contract dated [date]

The project at [address] includes the following incomplete, defective, or unauthorized work:

• [Specific item and location]
• [Contract section, plan, or approved change order]
• [Photo, inspection, or invoice reference]

Please provide a written correction plan by [date] and complete the agreed corrective work by [date], subject to the contract's notice and cure terms. Please also provide an itemized explanation of [disputed invoice or change order].

I request that future project communications be in writing. Nothing in this notice changes the contract or waives any rights.

Give a deadline that is reasonable for the problem and consistent with the agreement. An active safety hazard may require immediate mitigation rather than waiting through a routine cure period. Explain what emergency steps you took and why.

Send the notice in the way the contract specifies. If it doesn't specify a method, tracked delivery plus email creates a useful record, but it may not satisfy a formal service rule. Keep the letter, attachments, delivery confirmation, and response.

Try to resolve the problem in writing

A shared list of defects and a realistic repair cost can move a dispute forward. Possible arrangements include:

• Repair or replacement by the original contractor
• A written completion schedule
• A price reduction or refund
• A credit for unauthorized or incomplete work
• Payment of an undisputed balance after stated milestones
• Completion by another contractor under a written settlement
• A new warranty for corrected work

A settlement should say exactly what will be done, with which materials, by what dates, and who will handle permits, cleanup, and inspections. State the payment amounts and what happens if the revised plan fails.

Don't sign a broad release while promised repairs remain unfinished or before a payment has cleared. If a lien has been filed or could be filed, address the appropriate lien release or waiver in the settlement. The form and timing depend on state law.

Mediation, arbitration, or court?

Read the dispute clause before filing anything. It may require a notice of claim, mediation, arbitration, or a particular location. Filing in court first can create avoidable problems.

If the contractor sues for an unpaid balance, don't treat negotiations as a substitute for responding to the papers. Note the response deadline, find out whether a counterclaim is allowed, and follow the court's service instructions.

Mechanics liens: act on the document you received

A mechanics lien, also called a construction lien in some states, is a legal claim against property for unpaid labor, services, or materials. Depending on state law, a subcontractor or supplier may be able to assert one even after the homeowner paid the general contractor. Payment records and lien waivers can become critical.

There is no universal U.S. lien deadline or 10-day response rule. The requirements may depend on the claimant's role, the type of property, preliminary notices, recording dates, and service rules.

If you receive a lien notice or find a recorded lien:

1. Write down the exact date of receipt. A deadline may run from delivery, recording, or another event.
2. Read every detail. Note the claimant, contractor, property description, amount, work dates, and stated deadlines.
3. Confirm the recording information. The county recorder or land-records office can provide procedural information, but not legal advice.
4. Collect payment evidence. Gather the contract, canceled checks, bank records, receipts, invoices, and lien waivers.
5. Ask how the lien can be addressed. A construction lawyer or title professional can explain release, contest, discharge, or bond options available in your state.
6. Tell the relevant people if a sale or refinance is pending. A lien can affect title, financing, and closing.
7. Don't ignore it. The claimant may have a separate deadline to enforce the lien, and the consequences vary by state.

Don't pay twice or sign an admission just because a lien was filed. Get advice quickly if the document threatens foreclosure or gives a short response period.

Match the response to the problem

The contractor stopped work

Record the last day of work, unfinished items, materials left at the property, unpaid invoices, and attempts to reach the contractor. Send the required notice and allow the contract's cure period when appropriate. Get a safe-completion estimate, but check the termination clause before hiring a replacement. Ending the contract improperly can create a second dispute.

The work is defective

Separate workmanship defects from preferences and from items that were never included in the scope. Photograph the problem, obtain an independent inspection for technical issues, and give the contractor the repair opportunity required by the contract or state law. If the condition is unsafe, mitigate the danger and preserve before-and-after evidence.

The project is late

Compare the promised schedule with approved changes and actual progress. Record whether the delay involves the contractor, an owner-requested change, permits, weather, material availability, or another event covered by the agreement. Ask for a recovery schedule and an itemized explanation of delay costs. A missed date doesn't automatically create a right to a penalty.

The bill is higher than expected

Compare each charge with the original price, allowances, time-and-materials terms, and signed change orders. Ask for labor hours, material receipts, credits, and the reason for each increase. Confirm price and schedule changes in writing before the work begins; don't rely on a later memory of a verbal approval.

A warranty problem appears

Review the warranty's notice deadline, coverage, exclusions, and repair process. Notify the contractor promptly and keep records of recurring problems. A contractor's workmanship warranty is different from a manufacturer's product warranty, so identify which one applies.

Licensing agencies and other outside help

Verify the contractor's license or registration with the state agency before signing and again if a dispute starts. Some jurisdictions connect registration to a bond or homeowner recovery fund. Washington State Labor and Industries explains contractor registration, bonds, and possible homeowner remedies. Washington's process is an example, not a nationwide rule.

Depending on the issue, possible contacts include:

• The local building or permit department for unsafe or unpermitted work
• The state contractor licensing board
• The state attorney general or consumer-protection office
• The relevant bonding or recovery-fund program
• The FTC if the conduct appears to be part of a broader home-improvement scam

An agency complaint may create a record, investigate licensing issues, or offer mediation. It usually doesn't replace a private lawsuit or guarantee a refund. Use the agency's forms and keep its filing deadlines separate from court and contract deadlines.

The District of Columbia Attorney General's contractor-scam guidance recommends researching the contractor, obtaining a written contract, keeping communication records, and checking any contractor-arranged loan directly with the lender.

Before terminating the contractor

Termination isn't just a text saying, "You're fired." Before ending the relationship:

• Read the termination-for-cause and termination-for-convenience clauses.
• Send any required breach notice and cure opportunity.
• Photograph the site and inventory materials, tools, keys, permits, and unfinished work.
• Confirm who owns materials already paid for.
• Preserve proof of missed work or failed repairs.
• Obtain an independent completion estimate.
• Secure the property without destroying disputed evidence.
• Consider legal advice before changing locks, denying access, or hiring a replacement.

If safety requires immediate removal or repair, document the condition and why waiting was unreasonable. Keep emergency invoices and communications.

Preparing a court claim

Organize the case around a short timeline and a supportable dollar amount. Gather:

• The contractor's correct legal name
• The signed contract and incorporated documents
• Approved and disputed changes
• Payment proof and the amount still claimed
• Dated photographs and videos
• Inspection reports and repair estimates
• Written notices and delivery records
• Witness names and what each person observed
• Lien documents and releases
• A calculation of the damages requested

Depending on the contract and state law, possible losses may include reasonable costs to correct or complete the work, overpayments, and direct property damage. Attorney fees, consequential losses, and other remedies may require a specific contract clause or legal rule. Unsupported or inflated estimates weaken a claim.

Use the court's official forms and service instructions. Small claims courts have local dollar limits and may restrict expert testimony or available remedies. Larger structural, water, or code disputes may require expert evidence. Check the statute of limitations and any contractual notice deadline before allowing negotiations to continue indefinitely.

Reduce the risk before the next project

Before work begins:

• Verify the contractor's license or registration through the state agency.
• Check insurance and ask who will actually perform the work.
• Get multiple written estimates and compare scope, materials, exclusions, and allowances.
• Use a written contract naming the legal parties and property address.
• Attach plans, specifications, payment milestones, completion dates, warranty terms, and permit responsibilities.
• Require written approval for every price, scope, or schedule change.
• Tie progress payments to observable work and inspections.
• Keep a reasonable final balance until the agreed work is complete and checked.
• Request lien waivers in the form and sequence recognized by your state.
• Keep a project log from the first meeting through final payment.
• Review contractor-arranged financing directly with the lender.
• Walk away from high-pressure sales, blank documents, cash-only demands, or requests for the entire price upfront.

A specific scope and a record of every change prevent many disputes. If a salesperson is pressuring you to sign at home, pause and check whether federal or state cancellation rules apply before sending money or allowing work to begin.

Frequently asked questions

Can I cancel a contractor contract within three days?

Not automatically. The FTC rule may apply to certain sales made at a home or temporary location, but exclusions and state-specific rules matter. Review the contract and contact the FTC-linked guidance and your state consumer agency immediately.

Should I stop paying the contractor?

Don't make a blanket decision based only on the dispute. Review the payment and suspension terms, separate disputed from undisputed amounts, and get local advice before withholding a substantial sum. Keep the money and payment history traceable.

What if a subcontractor files a lien after I paid the general contractor?

Collect proof of payment and all lien waivers, verify the lien and its deadlines, and contact a construction lawyer or title professional. The effect of paying the general contractor depends on state law and the notices required on that project.

Do I have to let the contractor fix defective work?

The contract or state law may give the contractor an opportunity to cure, but safety emergencies and the facts matter. Give written notice and document the defect before repairs whenever it is reasonably safe to do so.

Will a licensing-board complaint get my money back?

It may lead to an investigation, mediation, discipline, or a bond-related remedy in some jurisdictions. It isn't guaranteed to recover private damages. Keep court and contract deadlines separate from the agency process.

This is general information for U.S. consumers, not legal advice. Because cancellation, payment, warranty, lien, and court rules differ by state, review the applicable agency guidance or speak with a qualified local professional before taking an action that could affect the property or the claim.