Commercial guide
Purchase orders and progress billing for remodeling projects
Coordinate committed project scope, vendor purchasing, subcontractor work, client draw milestones, approved changes, invoices, and payment records without losing the contract basis.
By Tyler Thompson, residential remodeling contractor and product founder · Updated 2026-08-24
Answer first
Purchasing and progress billing belong to the same project economics: what the remodeler committed to buy, what the client approved, what work reached a defined milestone, and what has actually been invoiced or paid.
Purchase-order controls
- Vendor, project, scope or items, quantity, cost, and delivery destination
- Draft, issued, acknowledged, received, closed, or cancelled state
- Connection to estimate allowance, selection, or approved change
- Expected and actual delivery evidence
- No silent reuse of an outdated scope or price
Progress-billing controls
- Signed-contract basis and exact milestone definition
- Approved change inclusion
- Prior invoices, recorded payments, credits, and remaining value
- Stored-material or deposit treatment where contracted
- Separation between operational invoice records and the accounting general ledger
Trace one project dollar
| State | Source of truth | Reconciliation question |
|---|---|---|
| Planned | Accepted estimate and allowance basis | What scope and cost were actually included? |
| Selected | Approved cabinet specification and variance | Does the choice require a change before purchasing? |
| Committed | Current vendor purchase order | Does quantity, price, delivery location, and version match the approval? |
| Received | Delivery and condition evidence | Was the full commitment received, partially received, damaged, or returned? |
| Billed | Contract milestone and current invoice | Is the amount allowed, approved, and counted once? |
| Paid | Recorded payment plus accounting reconciliation | Did settlement and deposit agree with the project record? |
Buyer questions and limits
- Can a revised selection or change invalidate an obsolete purchase order?
- Can partial receipt and damaged or returned material be represented?
- Does a progress invoice show its contract basis, prior billing, credits, and approved changes?
- Which record wins when the project tool and accounting disagree?
- Service Agent OS Remodelers does not determine lien, retainage, deposit, stored-material, tax, or revenue-recognition rules; obtain jurisdiction- and contract-specific guidance.
The reconciliation test
Choose one project and trace an accepted estimate line into a purchase order, one approved change into revised project value, and one draw into an invoice and payment record. If the system cannot explain each amount once, the dashboard total is not enough.