How long should a construction bid be valid?

Most bids are valid for 30 to 60 days, after which material and labor costs may change. For large projects with long pre-construction periods, shorter validity periods or price escalation clauses may be appropriate. Be clear about the validity period to avoid disputes over price changes.

Is a signed construction bid a contract?

A signed bid may be enforceable as a contract if it contains the essential elements: offer, acceptance, and consideration. However, bids often lack important contract provisions such as change order procedures, dispute resolution, insurance requirements, and termination rights. It is strongly recommended to execute a comprehensive construction contract before starting work.

What is a contingency in a construction bid?

A contingency is a percentage (typically 5–15%) added to the base estimate to account for unforeseen conditions, minor scope changes, and price fluctuations. Including a contingency in your bid gives you financial cushion without automatically blowing the budget. Transparency about the contingency builds client trust.

Can a contractor change their bid after it's submitted?

A bid can be withdrawn before it is accepted. Once a bid is accepted (the client signs or formally accepts), it becomes a binding offer. After acceptance, changes require a formal change order process. If you discover a significant error in your bid before acceptance, notify the client immediately and, if necessary, withdraw and resubmit.

Free Construction Bid Template — Fill Out & Download Instantly

Free — No Sign-Up RequiredPDF & WordUpdated April 19, 2026

⚠️ Legal Disclaimer: This template is attorney-reviewed and built to US legal standards. It does not substitute for professional legal advice. For complex situations, we recommend consulting a licensed attorney.

Document Completeness0%

Contractor / Company Name*

Contractor Address*

Contractor Phone*

Contractor Email*

Contractor License Number

Client Name*

Client Address*

Project / Job Site Address*

Scope of Work Description*

Bid Date*

MM/DD/YYYY

Bid Valid For (Days)*

Labor Cost ($)*

Materials Cost ($)*

Permits & Fees ($)

Subtotal ($)*

Sum of labor, materials, and permits

Contingency ($)

Typically 5–10% of subtotal for unforeseen conditions

Total Bid Price ($)*

Estimated Start Date

MM/DD/YYYY

Estimated Project Duration

Payment Schedule*

Warranty Terms

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[Contractor / Company Name]

[Contractor Address]

Phone: [Contractor Phone] | Email: [Contractor Email]

Bid Date: [Bid Date]

This proposal is valid for [Bid Valid For (Days)] days from the bid date.

════════════════════════════════════════

CONSTRUCTION BID PROPOSAL

════════════════════════════════════════

Submitted to:

[Client Name]

[Client Address]

Project Location: [Project / Job Site Address]

SCOPE OF WORK

[Scope of Work Description]

COST ESTIMATE

Labor: $[Labor Cost ($)]

Materials: $[Materials Cost ($)]

Subtotal: $[Subtotal ($)]

TOTAL BID PRICE: $[Total Bid Price ($)]

PROJECT SCHEDULE

PAYMENT SCHEDULE

[Payment Schedule]

ACCEPTANCE

This proposal, when signed by both parties, shall constitute a binding agreement for the scope of work described above at the price stated.

Contractor Signature: _______________________________

[Contractor / Company Name]

Date: _______________

Client Acceptance Signature: _______________________________

[Client Name]

Date: _______________

Questions? Contact [Contractor / Company Name] at [Contractor Phone] or [Contractor Email]

Document Completeness0%

Contractor / Company Name*

Contractor Address*

Contractor Phone*

Contractor Email*

Contractor License Number

Client Name*

Client Address*

Project / Job Site Address*

Scope of Work Description*

Bid Date*

MM/DD/YYYY

Bid Valid For (Days)*

Labor Cost ($)*

Materials Cost ($)*

Permits & Fees ($)

Subtotal ($)*

Sum of labor, materials, and permits

Contingency ($)

Typically 5–10% of subtotal for unforeseen conditions

Total Bid Price ($)*

Estimated Start Date

MM/DD/YYYY

Estimated Project Duration

Payment Schedule*

Warranty Terms

What Is a Construction Bid Template?

A construction bid (also called a contractor proposal or construction estimate) is a formal written offer from a contractor to perform a specific scope of work at a stated price. The bid communicates the contractor's understanding of the project, the estimated cost of labor and materials, the proposed project timeline, payment schedule, and warranty terms. A professional, detailed bid increases the likelihood of winning the contract and establishes a clear baseline for scope-of-work disputes later in the project.

When Do You Need It?

A construction bid should be submitted whenever a contractor is responding to an invitation to bid or a client's request for proposal. Use this template for residential remodels, new construction, commercial projects, specialty contracting, and any project where a formal written proposal is appropriate. A written bid protects both parties by clearly defining the scope of work and the agreed price before any work begins.

What's Included in This Template

Contractor name, address, phone, email, and license number
Client name and address
Project address and description
Bid date and bid validity period
Itemized labor cost
Itemized materials cost
Permits and fees cost
Subtotal, contingency, and total bid price
Estimated start date and project duration
Payment schedule
Warranty terms

How to Fill It Out

Enter Contractor and Client Information — Fill in your company name, address, phone, email, and contractor license number. Enter the client's name and address. Both parties should retain a copy of the signed bid.

Describe the Project and Set Bid Validity — Enter the project address and a detailed description of the scope of work to be performed. Set the bid date and the number of days the bid price is valid — typically 30 to 60 days. After the validity period, prices may need to be revised due to material cost changes.

Enter Cost Breakdown — Provide itemized costs for labor, materials, and permits/fees. Calculate the subtotal, then add a contingency amount (typically 5–10% of the subtotal) for unforeseen conditions. The total bid is the sum of the subtotal and contingency.

Set Schedule, Payment Terms, and Warranty — Enter the estimated start date and project duration. Describe the payment schedule in the payment schedule field (e.g., '30% deposit at signing, 40% at framing, 30% upon completion'). Describe your warranty terms for workmanship and materials.

Legal Requirements & Notes

A signed construction bid may constitute a binding contract depending on the language used and applicable state contract law. It is strongly recommended that a comprehensive construction contract be executed in addition to or in place of the bid proposal before work begins. The contract should address change order procedures, dispute resolution, lien rights, insurance requirements, and other essential terms not typically covered in a bid proposal. Contractor licensing requirements vary by state and by type of work — contractors should ensure they hold all required licenses and permits before beginning work. This bid template does not substitute for a full construction contract.

Frequently Asked Questions

A complete construction bid should include: contractor contact information and license number, client and project information, detailed scope of work, itemized cost breakdown (labor, materials, permits, contingency), total price, bid validity period, proposed timeline, payment schedule, and warranty terms. A clear, detailed bid reduces scope disputes and demonstrates professionalism.

Free Construction Bid Template — Fill Out & Download Instantly

════════════════════════════════════════

CONSTRUCTION BID PROPOSAL

════════════════════════════════════════

SCOPE OF WORK

COST ESTIMATE

PROJECT SCHEDULE

PAYMENT SCHEDULE

ACCEPTANCE

What Is a Construction Bid Template?

When Do You Need It?

What's Included in This Template

How to Fill It Out

Legal Requirements & Notes

Frequently Asked Questions

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Change Order

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