Construction Payment Schedule Guide for Colorado Builders

What Is a Construction Payment Schedule and Why It Matters

A construction payment schedule is a contractual document that outlines when payments are due, how much is owed at each stage, and what conditions must be met before money changes hands. Think of it as a financial roadmap for your project, one that keeps everyone accountable.

Protects Cash Flow for All Parties

For homeowners, a payment schedule means you never pay for work that has not been completed. For contractors, it guarantees predictable income tied to real progress. This balance is especially important in Colorado’s competitive construction market, where labor expenses have risen roughly 4 to 5% year-over-year for many contractors. Construction job openings rose 42.4% annually to 292,000 through December, driving wage increases of 4.3% year-over-year amid ongoing labor shortages.

Reduces Payment Disputes and Legal Issues

Vague payment terms are the number one cause of construction disputes. A clear schedule, with defined milestones and documentation requirements, eliminates most of that friction before it starts.

Establishes Clear Project Expectations

When both sides agree to a construction payment schedule upfront, everyone knows what “done” looks like at each stage. That clarity keeps your project moving forward and protects the equity you are building in your Colorado home.

What Every Construction Payment Schedule Must Include

A payment schedule is only useful if it covers all the essentials. Here is what to include in yours.

Essential Contract Information and Project Details

Start with the basics: names and contact information for both parties, project address, scope of work, total contract value, and start and end dates.

Payment Breakdown and Amount Structure

List every payment installment with its dollar amount or percentage of the total contract. Be specific. “20% at framing completion” is far better than “payment upon progress.”

Payment Milestones or Triggers

Define what triggers each payment. Common milestones for residential projects include permit approval, foundation completion, framing, rough-in (electrical, plumbing, HVAC), drywall, and final inspection.

Due Dates and Payment Terms

Specify how many days a homeowner has to issue payment after a milestone is reached (typically 7 to 15 business days). Also note accepted payment methods and any late-payment terms.

Retainage Terms and Final Release Conditions

Retainage typically ranges from 5% to 10% of the contract price, withheld from each progress payment until the project reaches substantial completion. This incentivizes the contractor to address punch-list items and resolve defects before receiving the final payout. Retainage tracking integrates with AIA billing, requiring precise calculation of withheld amounts per period and cumulatively to avoid errors that lead to financial discrepancies at closeout.

Change Order and Additional Work Provisions

No project goes exactly as planned. Your schedule should spell out how change orders affect the payment timeline, who approves them, and how additional costs are documented.

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Types of Construction Payment Schedules (With Examples)

Not every project calls for the same approach. Here are the four most common payment schedule types and when each makes sense.

Milestone-Based Payment Schedule

This is the most common structure for Colorado home renovations. Payments align with specific project phases: foundation, framing, mechanicals, finishes, and final walkthrough. It is straightforward and easy to verify.

Progress Payment Schedule

Progress billing is the industry standard for commercial construction payments, allowing contractors to bill for completed work incrementally. Contractors use a Schedule of Values (SOV) that details eligible items, values, and timelines. The SOV serves as the backbone for AIA billing, forming the foundation for G702/G703 forms where contractors detail work completed, materials stored, and cumulative totals. This method works well for large-scale projects but adds administrative complexity.

Time-Based Payment Schedule

Payments go out on a fixed calendar (e.g., the first of every month). This approach works for longer projects where milestones may be harder to define, but it offers less protection against slow progress.

Deposit and Final Payment Schedule

For smaller projects, think a bathroom remodel in Denver or minor repairs, a simple deposit-and-final structure keeps things easy. The homeowner pays 25% to 50% upfront, with the balance due at completion.

Retainage and How It Affects Your Schedule

Retainage typically ranges from 5% to 10% of the contract price. Owners withhold this amount from each progress payment until substantial or full project completion. This creates a financial incentive for the contractor to deliver satisfactory work and resolve defects. Your schedule should clearly state the retainage percentage, when it applies, and the specific conditions for its release.