Most contractors lose bids before the owner even reads the number. The format is wrong, sections are missing, or the document looks like it was typed in five minutes. Owners reviewing three or four bids on the same job will cut the ones that look unprofessional before they compare prices.

A clean, complete bid template fixes that. This guide covers the difference between a bid, an estimate, and a proposal — and then gives you a real construction bid template you can use today, formatted for PDF or Word.

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Bid vs. Estimate vs. Proposal — What Is the Difference?
These three terms get used interchangeably, but they mean different things in practice. Estimate
An estimate is a price range based on limited information. You walk a job, take notes, and give the client a ballpark. It is informal and non-binding. The number will change as scope gets defined. Use estimates early in the sales process when you do not have drawings or full specs yet. Bid
A bid is a competitive, fixed-price response to a defined scope of work. The owner or GC hands you drawings, specs, or a bid package. You review them, price every line, and submit a total. The number is a commitment. If you win the bid, you are expected to perform the work at that price. Bids are used on commercial jobs, municipal contracts, and any project with a formal invitation to bid (ITB) process. Proposal
A proposal is the most comprehensive of the three. It includes everything in a bid — price, scope, exclusions — plus terms and conditions, warranty language, references, your company story, and sometimes a project schedule. Proposals are common on high-dollar residential remodels or commercial projects where the owner is evaluating the contractor as much as the price.
Here is the practical rule: if someone handed you a set of drawings and asked for your number by Friday, you are writing a bid. If you are creating the scope yourself and trying to win a project based on value, you are writing a proposal. If you are giving a client a rough number before anything is designed, that is an estimate.
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What a Professional Construction Bid Must Include
Missing sections kill bids. If a project owner is comparing three contractors and one bid does not have exclusions, a payment schedule, or a bid validity date — that one goes in the maybe pile. Here is every section that belongs in a professional construction bid. Company Information and License
Your business name, license number, bond number, address, phone, email, and website. This goes at the top of every bid. Owners and GCs need this to verify your license before they award anything. On public projects, missing license info will get your bid thrown out automatically. Project and Owner Information
Who the bid is submitted to, the project address, and the date. Simple, but required. Bid Validity Period
Material prices move. If you price drywall in February and the owner calls you in May, your number is wrong. Always include a bid valid through date. Thirty days is the standard for most residential and light commercial work. On larger commercial projects, sixty days is acceptable. Scope of Work — Line Item Format
This is the core of the bid. List every trade and task as a separate line item with its own price. Do not lump everything into a single total. Owners want to see how you arrived at your number. If value engineering is needed later, they need to know which line items to adjust.
Write scope descriptions in plain language. "Install 200 LF of 6-inch smooth bore PVC drain line, 3 feet below grade, compacted backfill" is better than "drainage work." Specificity protects you from disputes after the contract is signed. Materials Specifications
List the materials you are pricing. Specify the manufacturer, grade, and product where it matters — roofing, windows, HVAC equipment, flooring. If the owner substitutes a cheaper material later and the work does not perform, your documentation shows you priced the correct product. Exclusions
The exclusions section is where contractors get burned when they skip it. Write down everything that is NOT included in your price. If you are doing framing but not drywall — list it. If your electrical bid does not include panel upgrades — list it. If demo is the owner's responsibility — list it.
Clear exclusions prevent scope creep, protect you from change order disputes, and demonstrate to the owner that you understand the scope well enough to define its edges. Schedule
Estimated start date, estimated completion date, and any conditions that could affect the schedule — permit approval, material lead times, weather. Do not commit to a hard date in a bid. Use "estimated" language and note the dependencies. Payment Schedule
Break the total into milestone payments. Standard format for most jobs is a deposit upon contract signing, one or more progress payments tied to completion milestones, and a final payment upon completion or punch list sign-off. Never bid a job without a payment schedule. It sets expectations upfront and gives you a basis for stopping work if payments fall behind. Reference to Drawings and Specifications
State the drawing set and revision date your bid is based on. If the owner modifies the drawings after you submit, you need to issue a revised bid — and this line protects you from being held to the original number on changed scope. Signature Lines
Space for both parties to sign and date upon acceptance. This converts the bid into a simple contract. On larger jobs, the bid becomes an exhibit to the full contract — but the signature line still matters as proof of acceptance.
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Construction Bid Template
Use this format for any trade. Fill in the brackets, convert to PDF, and send.
```
CONSTRUCTION BID
[Company Name] | License #: ___ | Bond #: _
[Address] | [Phone] | [Email] | [Website]
Submitted to: _____ | Date:
Project address: _ | Bid valid through:
SCOPE OF WORK:
[Trade]: _______ $
[Trade]: _ $
[Trade]: _ $
MATERIALS (specified):
[Item]: _ $
EXCLUSIONS — The following are NOT included in this bid:
• _
• ___
SCHEDULE:
Estimated start date: | Estimated completion:
Subject to material lead times and permit approval.
PAYMENT SCHEDULE:
Deposit (_%) upon contract signing: $____
Progress payment at _% completion: $
Final payment upon completion: $
TOTAL BID PRICE: $
This bid is based on drawings/specs dated .
Unit prices for additions/deductions available upon request.
Accepted by: ____ Date:
Contractor: Date:
```
Print this, save it as a Word doc, or build it into your estimating software. The format is the same regardless of trade — what changes is the scope detail in the middle.
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How to Fill Out Each Section Scope line items. Be specific enough that a project manager could hand your bid to a subcontractor and get the same work priced. Vague lines like "install flooring" leave you exposed. "Install 800 SF of 3/4-inch white oak hardwood, nail-down method, site-finished three coats water-based poly, one stain coat" is a scope line. Exclusions. Think through the full project and write down every adjacent task that you are not doing. For a kitchen remodel: appliance installation excluded. Painting excluded. Cabinet hardware installation excluded. If the GC asked you about it during the site walk, it probably belongs in exclusions if you did not price it. Payment schedule percentages. Common structures:
Residential remodels: 30–40% deposit, 30–40% at mid-project, balance on completion
Commercial: 10% deposit, progress payments on 30-day billing cycles, 5–10% retainage released at final inspection
Small jobs under $5,000: 50% deposit, 50% on completion Bid validity. Write a specific date, not "30 days from submission." If you submit February 10, the bid expires March 12. Specific dates remove ambiguity.
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Winning Competitive Bids Without Being the Lowest Price
The cheapest bid does not always win. On private projects — residential remodels, commercial tenant improvements, design-build — owners are making a judgment call about who they trust to deliver. Price is one factor. Here is what else matters. Speed of response. The contractor who sends a complete, professional bid within 24 to 48 hours of the site walk signals that they are organized and want the job. Owners notice. Dragging your feet for a week tells them something about how you run jobs. Completeness. A bid that has every section filled out — scope, exclusions, payment schedule, materials spec, schedule, signature lines — projects competence. A bid that is a one-page total with no detail says you did not take the job seriously. References on the same type of work. If you are bidding a medical office build-out, include references from similar commercial interiors. If it is a custom home addition, include photos and contact info from comparable residential additions. Owners bidding a specific project type want to know you have done it before. Explaining your price. If your number is higher than the market, explain why. Better materials. A longer warranty. Your crew — not subs — doing the work. A written completion guarantee. Owners who care about quality will respond to this. Owners who only care about price were never going to hire you anyway. Following up. Call or email within two to three days of submission. Ask if they have questions on the scope or the numbers. Most contractors do not follow up. This alone separates you from the field.
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Digital Bids vs. Paper Bids
The expectation has shifted. Owners reviewing bids today want a PDF, not a fax or a handwritten form. On commercial projects, they often want the bid submitted through an online portal. If you are still handing clients a printed form or typing numbers into a spreadsheet and emailing a raw .xlsx, you are behind.
A digital bid means:
Sent as a locked PDF (not editable by the client)
Your company logo and branding at the top
Line items formatted in a clean table
A signature capture option so the client can accept from their phone
The format signals professionalism before the owner reads a single number. A polished PDF with clear line items, a logo, and a professional layout beats a handwritten total on letterhead every time — even if the prices are identical.
For contractors doing volume bidding — five, ten, twenty bids a month — manual PDF creation becomes a bottleneck. You spend time formatting instead of visiting job sites. This is where software earns its keep.
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How Ontrakt Handles Bid Generation
Ontrakt builds construction bids from photos and job details using AI. Take photos at the site walk, describe the scope, and the system generates a line-item bid with materials, labor, and a professional PDF output. The bid includes all required sections — scope, exclusions, payment schedule, validity period — formatted and ready to send.
For contractors running multiple bids simultaneously, the time savings is significant. Instead of rebuilding the same template for every job, you review the AI-generated draft, adjust the numbers where needed, and send. Turnaround goes from hours to minutes.
The bid PDF carries your company branding, license number, and contact information automatically. Clients get a professional document. You get a signed acceptance through the client portal without chasing paper.
Ontrakt also tracks whether the client opened the bid, sends automated follow-up reminders, and logs the accepted price to your job record when the client signs. The full bid-to-job pipeline in one place.
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Common Bid Mistakes to Avoid No exclusions section. This is the most expensive mistake in construction bidding. Scope creep costs money. Write down what is not included. Pricing from memory instead of a takeoff. Gut-feel numbers lead to underbid jobs. Do a proper material takeoff for every bid. Even a rough quantity survey beats a number pulled from past experience. Not including permit costs. Permits add real cost and real time. Either include them as a line item or explicitly exclude them and note who is responsible. Sending a bid without a validity period. Material prices change. Always include an expiration date. Using the same bid for all job types. A framing bid needs different line items than an HVAC bid. Keep trade-specific templates for each type of work you bid. Do not use a generic form that leaves sections blank. Not signing your own copy. Keep a countersigned copy of every accepted bid. If a dispute comes up six months into a job, you need the original scope documentation.
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The Bottom Line
A professional construction bid has one job: give the owner enough information to say yes with confidence. Every missing section is a reason to hesitate. Every vague line item is a source of future conflict.
Use the template in this post as your baseline. Add your company header, fill in the scope, write out your exclusions, and include a payment schedule every single time. Convert to PDF before sending. Follow up within two days.
If you want to skip the formatting work entirely and generate client-ready bids from job photos in minutes, try Ontrakt at ontrakt.com/beta.

Free Construction Bid Template (2026) — Word, PDF & Digital Bidding

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