Free Pressure Washing estimate app — built for St. Louis pressure-washing pros
PayOnce is a no-subscription estimate app made for pressure-washing pros working in St. Louis, Missouri. Add your line items (house wash, driveway, deck/patio, roof soft-wash), brand the PDF with your business name, and text or email it to the customer straight from your phone — in about a minute. Free, no monthly fee.
Start a free quote →Built for St. Louis pressure-washing pros
St. Louis's older neighborhoods and harsh seasonal weather drive consistent fence, gutter, and tree work.
St. Louis sales tax tip: the combined rate in St. Louis, MO runs around 9.679% as of 2026. Save it once in PayOnce settings and every line item auto-calculates the tax.
Why pressure-washing pros in St. Louis use PayOnce
- Quote on-site in a minute — built for someone standing in a St. Louis customer's yard, not at a desk.
- Starter pressure washing price list — load common items so they autocomplete; edit prices once for your St. Louis market.
- Looks professional — your business name, a quote number, date, and "valid 30 days" line.
- Send + track — text or email the PDF; mark it Approved when the customer signs.
- Free — no subscription, no sign-up. Quotes save to your phone.
FAQ
Is there a free pressure-washing quote app?
Yes — PayOnce is free to use for pressure-washing pros in St. Louis, MO. Unlimited quotes, no signup, no subscription.
Does the local sales tax preload?
Set your tax rate once in PayOnce — in St. Louis, MO the combined sales tax is roughly 9.679%. Every line item then calculates correctly without re-entering it.
Do I need to sign up?
No. Open it in your phone's browser and start quoting — your data stays on your device.