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Construction change order before approval checklist

A before-signing change-order checklist for the reason, exact added and deleted scope, drawings and product changes, alternatives, itemized price and credits, markup, schedule impact, permits, warranties, and authorization.

6 items to check

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The reason and existing condition are documented before alteration

Critical item

The change record should distinguish owner preference, design revision, concealed condition, code correction, contractor error, product unavailability, allowance selection, or other cause because responsibility and price treatment may differ.

Added, deleted, and unchanged work is precisely identified

Critical item

A change order should describe exact locations, quantities, dimensions, products, labor, demolition, protection, testing, patching, cleanup, and work removed from the original agreement.

Reasonable alternatives and technical consequences are reviewed

Critical item

Before approval, the owner should understand feasible repair, replacement, deferment, or design alternatives and whether the proposed solution affects structure, waterproofing, fire safety, energy performance, accessibility, compatibility, or maintenance.

Price, quantities, labor, credits, allowances, taxes, and markup are traceable

Critical item

The net change price should follow the contract method and show enough detail to understand added cost, deleted-work credit, allowance use, labor or unit rates, subcontractor amounts, material, equipment, tax, overhead, and profit.

Schedule, inspections, permits, warranty, and downstream work impacts are stated

Critical item

A change should identify added or saved calendar time, procurement lead time, inspection or design approval, permit revision, lender approval, warranty effect, and changes to later trades or access.

Authorization, version, contract total, and distribution are complete before work

The final change order should have a unique identifier, date, linked documents, signatures or permitted electronic approval, revised contract sum, revised completion date, and distribution to all affected parties before the changed work proceeds.

Use this checklist before authorizing work that changes the signed scope, product, quantity, price, or schedule. Except for genuine emergency protection allowed by the contract or law, do not rely on a text message, verbal instruction, or unexplained invoice line as the complete change record.

Reference standards

  • Applicable state and local home-improvement laws, contractor licensing rules, permit requirements, consumer-protection guidance, and project-specific contract documents
  • Signed contract change-order clause and any state-required written-change provisions
  • Written scope, estimates, plans, specifications, selections, allowances, schedule, payment records, permits, inspection approvals, and authorized change orders
  • Designer, engineer, permit authority, lender, insurer, product manufacturer, and warranty requirements affected by the change
  • Tools

  • Draft change order with unique number and revision date
  • Original contract scope, drawings, proposal, allowances, and prior approved changes
  • Price backup, schedule update, photos, field report, and written alternatives