There is no universal workmanship warranty period

Contractors and builders may offer different coverage periods for labor, materials, systems, and structural components.

A written workmanship term may be:

• Several months
• One year
• Two years
• Five years
• Another period stated in the agreement

FTC consumer guidance concerning many new-home warranty programs notes that workmanship and materials coverage commonly has a shorter period than coverage for major systems or specified structural defects. The actual warranty document controls the individual project.

When does the warranty period begin?

The agreement should define the event that starts the coverage period.

Possible starting events include:

• The date work was completed
• Substantial completion
• The final invoice
• Customer acceptance
• Final inspection
• Certificate of occupancy
• Home closing
• Product installation or activation

These dates may be different. Preserve completion certificates, inspection records, closing documents, invoices, and handover communications.

Completion vs substantial completion

Construction agreements may distinguish final completion from substantial completion.

Substantial completion generally refers to a stage at which the work can be used for its intended purpose even though minor items remain.

A workmanship warranty may begin at substantial completion rather than after every final item is finished. Review the contract and any signed completion certificate.

Discovery date vs reporting date

Some warranties require the defect to be discovered during the coverage term. Others require written notice before expiration.

A problem discovered on the final day but reported later may create a dispute when the agreement requires notice during the term.

Record:

• The first visible symptom
• The date the condition was discovered
• The date the contractor was notified
• The date of inspection
• The date the cause was diagnosed

Provide written notice promptly rather than waiting until the cause has been fully determined.

Do repairs restart the warranty?

Corrective work does not automatically restart the original workmanship warranty.

The agreement may provide that:

• The original expiration date continues to apply.
• The corrected area receives a new limited term.
• Replacement parts receive a separate manufacturer warranty.
• Repeat repairs remain covered only for a stated period.

Ask for written confirmation of the warranty applying to every corrective repair.

Different systems may have different periods

One project may include separate warranty periods for different categories of work.

For example, the agreement may separate:

• General workmanship and finishes
• Plumbing
• Electrical systems
• Heating and cooling systems
• Waterproofing
• Roofing
• Structural components
• Installed products and appliances

Create a warranty schedule listing each category, provider, start date, end date, claim contact, and required documentation.

Workmanship warranty vs manufacturer warranty duration

The contractor's labor warranty may expire before or after the manufacturer warranty for the installed product.

For example:

• The installer may provide one year of labor coverage.
• The product manufacturer may provide ten years of limited material coverage.
• Removal and reinstallation may not be covered after the labor warranty expires.

A long manufacturer warranty does not necessarily include labor needed to remove and replace the product.

Written warranty period vs statute of limitation

A written warranty period defines the contractual coverage offered by the provider. A statute of limitation generally sets a deadline for bringing a legal claim.

These are not the same.

A written warranty may expire before a legal filing deadline, but that does not automatically mean a valid claim exists after expiration. The legal theory, accrual rule, notice, discovery, contract, and state law must still be analyzed.

Statutes of repose

Construction claims may also be affected by a statute of repose. This type of law can impose an outside deadline measured from completion or another project event.

A repose period may operate differently from a statute of limitation and may apply even when a defect was discovered later.

The duration, triggering event, exceptions, and covered parties vary by jurisdiction.

Latent defects

A latent defect is a problem that was not readily observable at completion or during an ordinary inspection.

Examples may include concealed flashing, hidden plumbing connections, waterproofing, structural attachment, or work inside walls.

The written warranty may not contain a special extension for latent defects. Separate state-law discovery rules, statutory warranties, or repose periods may affect available claims.

New-home warranty periods

New-home warranty programs may divide coverage into categories.

FTC consumer guidance describes a common pattern in which:

• Workmanship and materials receive an initial period.
• Plumbing, electrical, and HVAC systems receive another period.
• Specified major structural defects receive a longer period.

This is not a universal legal schedule. Review the builder's warranty, third-party warranty program, state requirements, and closing documents.

Transfer to a new owner

A workmanship warranty may expire when ownership changes unless transfer is permitted.

Transfer may require:

• Written notice
• A transfer form
• A fee
• Submission before a deadline
• Maintenance and repair records
• Provider approval

The new owner commonly receives only the remaining original term, not a new full warranty period.

What can end coverage early?

Coverage may end or become limited before the stated date because of:

• Ownership transfer
• Unauthorized alteration
• Repair by another contractor
• Failure to perform required maintenance
• Use outside the intended purpose
• Failure to provide required notice or access
• Settlement or release of the claim

Ask the provider to identify the exact provision relied upon when it says coverage ended early.

How to calculate your workmanship warranty dates

1. Locate the complete warranty.
2. Identify the triggering event.
3. Confirm the triggering date with project records.
4. List separate periods for each category of work.
5. Calculate the written expiration date.
6. Check notice requirements.
7. Review transfer and early-termination provisions.
8. Record every repair and any new repair warranty.
9. Research applicable state deadlines separately.

What to do near expiration

Inspect the covered work before the written term ends, especially areas that operate seasonally or may conceal developing damage.

Before expiration:

• Review unresolved punch-list items.
• Document cracks, leaks, movement, and performance problems.
• Test covered systems under normal conditions.
• Provide written notice of suspected defects.
• Request an inspection date.
• Keep delivery confirmation.

Do not wait for a complete diagnosis when the agreement requires notice before expiration.

How long does a workmanship warranty last: key takeaway

A workmanship warranty lasts for the term stated in the agreement, beginning on the event defined by that agreement.

Confirm separate periods for labor, systems, materials, and structural coverage. Treat the written warranty term, notice deadline, statute of limitation, and statute of repose as separate questions.

Related workmanship warranty guides

Frequently asked questions