Washington · Window Replacement · Free 2026 deposit-rules checker
How much deposit can a window replacement contractor ask for in Washington?
Washington has no statutory cap on contractor deposits. Industry-standard for window replacement is 15% — about $2,803 on a $18,688 project. Above $4,205 is a red flag.
Your contract amount
Leave blank to use the Washington window replacement midpoint, or enter your actual contract amount for state-specific dollar caps.
No statutory cap
$2,803
Recommended cap on a $18,688 window replacement (15%)
No statutory cap; industry standard applies.
🚩 Red flag if asked for: more than $4,205 (22%)
Washington deposit law — full context
No flat cap, but Washington's contractor-registration bond model penalizes contractors who walk after large deposits.
Industry rationale for window replacement: Custom-order windows have 4–8 week lead time. Industry standard: 15–25% deposit covers materials order.
Best-practice window replacement payment schedule in Washington
- 15% deposit at contract signing (~$2,803)
- Milestone progress payments tied to inspectable phases (rough-in, mid-build, substantial completion)
- 5–10% retention held until punchlist + final inspection sign-off
- Pay by check or credit card — never wire transfer to a personal account
Compare window replacement in Washington across all lenses
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FAQ — Window Replacement deposit rules in Washington
How much deposit can my Washington window replacement contractor legally ask for?
Washington has no statutory cap on contractor deposits. No flat cap, but Washington's contractor-registration bond model penalizes contractors who walk after large deposits. For window replacement, industry standard is 15% — meaning on a $18,688 project, expect $2,803 max. Any request above $4,205 is a red flag.
What's the industry-standard deposit for a window replacement in Washington?
Industry standard for window replacement: 15%. Custom-order windows have 4–8 week lead time. Industry standard: 15–25% deposit covers materials order. Most legitimate Washington contractors will follow this norm regardless of whether the state has a statutory cap.
My contractor is asking for 27% deposit — should I walk?
Washington doesn't have a statutory cap, but industry-standard deposits sit between 10–25% for most window replacement projects. A request above 22% is a strong signal of cash-flow problems (the contractor is funding earlier jobs with your money) or outright fraud risk. Get 2 more written quotes before signing anything.
How should I structure window replacement payments after the deposit?
Best practice in Washington: 15% deposit at contract signing → milestone-based progress payments tied to inspectable phases (rough-in, mid-build, substantial completion) → 5–10% retention held until punchlist + final inspection sign-off. Never pay materials in full upfront; if your contractor goes under, the materials supplier owns those goods, not you. Pay via check or credit card — never wire transfer to a personal account.
Other projects in Washington
Disclaimer: This page is informational only and not legal advice. State laws change — always verify against the official Washington statute before refusing or making payment.