Contractor Bid Leveling Worksheet: Compare Exclusions, Allowances, and the Actual Scope

September 29, 2026 · Guide · 4 min read

Compare contractor bids by reconciling their scope before comparing their totals. Give every bidder the same project brief, record inclusions and exclusions, and ask for revised written proposals where the assumptions differ. The worksheet below turns three differently formatted estimates into a list of decisions you can actually resolve.

Open the interactive comparison worksheet to record options, evidence, and your own costs, then use the project-specific fields below to guide the discussion.

This is a working comparison document you can copy into a spreadsheet. It does not set prices or replace the eventual contract. The Federal Trade Commission advises getting multiple written estimates and asking about large differences. A cheap total becomes meaningful only when you understand what it buys.

Prepare one comparison brief

Give the project a revision number and date. Attach the same drawings, room list, finish selections, and site-access notes to every bid request. If a site visit reveals a condition that changes the brief, send that information to all remaining bidders. Otherwise, you may be comparing different projects.

Specify outcomes where possible: which rooms receive paint, which surfaces need preparation, where debris goes, and which appliances remain. Identify owner purchases separately. Use our scope-of-work guide to prepare the brief and the multiple-bid guide to organize invitations.

Do not demand that every contractor use your accounting categories. Ask each to confirm where a cost sits. One proposal may bundle supervision into labor while another shows it separately. That is a presentation difference until you establish a scope difference.

Classify every ambiguous line

Use these labels consistently. A contractor saying that a task is “usually included” is still an open clarification for this particular project. Record the answer alongside the proposal revision, rather than leaving it in a separate text-message conversation.

Copy this blank bid worksheet

Project/address: ____ | Brief revision/date: ____ | Decision date: ____
Bid A/company/date: ____ | Bid B/company/date: ____ | Bid C/company/date: ____

Add project-specific lines instead of stretching “miscellaneous” across major unknowns. For an older property, ask how the contractor will assess paint disturbance before demolition. EPA's lead-safe renovation planning resource addresses work in pre-1978 housing. Record the assessment and proposed approach; do not assume that a general cleanup allowance covers it.

Reconcile the money without manufacturing certainty

Use an adjusted comparison total only after the contractor confirms each adjustment. Start with the proposal total, add priced omissions needed for your common scope, subtract confirmed credits for removed work, and adjust allowances to a shared basis. The actual contract price remains whatever you and the contractor ultimately agree in writing.

Comparison total = quoted base + confirmed additions − confirmed credits + allowance differences. Do not add the full replacement allowance if the base already contains an allowance. First subtract the included amount, then add the shared comparison amount. Confirm that both amounts cover the same costs.

Keep unresolved items beside the total in a separate column. A proposal with three unpriced exclusions cannot honestly be labeled the cheapest complete offer. Also keep optional upgrades outside the required base scope so that an attractive extra does not obscure a missing necessity.

Record payment timing separately from total cost. A project can fit the overall budget yet require cash earlier than expected. Our payment milestone guide provides questions to bring to that discussion; check the rules applicable to your location before agreeing terms.

Close the comparison with a clarification meeting

Ask each shortlisted contractor the same unresolved questions. Request an updated proposal or dated clarification attachment that identifies the current drawing revision, exclusions, selection deadlines, and schedule assumptions. If a bidder proposes a different method, ask for a separate alternative showing what changes in performance, scope, and cost.

Complete these checks before selection: [ ] major unknowns resolved; [ ] owner purchases assigned; [ ] allowances defined; [ ] schedule assumptions recorded; [ ] payment terms reviewed; [ ] references checked; [ ] credentials verified with the relevant authority.

Use the reference-call questions to test whether the contractor communicates consistently when projects change. Save the original bids and every revision. Your finished worksheet should explain why you chose the contractor and identify the exact documents that support that decision.