Address search
We pinpoint your parcel inside the eligible CSO basin and surface the projected rebate window.
RainWise Financial Acquisition
Locate and recover unallocated municipal funds across Ballard, Delridge, North Union Bay, and Windermere basins. We handle inspection, design, installation, and rebate submission as a single capital recovery sprint.
Map Intelligence
"Bounty Hunter" Mapbox Interface
Locate unallocated municipal funds. Address Search → Satellite Flyover → Funds Detected → Authorize Recovery.
Satellite flyover
Mapbox imagery and roof geometry confirm conveyance paths before we stage a site visit.
Funds detected
When the basin qualifies, we trigger the RainWise acquisition workflow and lock in the rebate with permit-ready plans.
Program overview
Seattle Rainwise partnership from eligibility to payout
We are Rainwise-certified to guide you through inspection, design, install, and rebate submission with cross-links to gutters and compliance pages.
Rainwise certification
Official City of Seattle partner delivering cistern systems tied into gutter upgrades and compliance documentation.
View City program Browse all servicesEligibility highlights
- Seattle CSO basins covered: Ballard, Delridge, North Union Bay, and Windermere
- Average rebate range $2,000–$4,000 depending on roof area
- Typical timeline 4–8 weeks from inspection to payout
Project flow
Inspection → design → approval → install → rebate payout. Each step includes compliance checkpoints.
Review install process Prepare for inspections
Eligibility checker
Find out if your address qualifies for Rainwise
Use the official RainWise eligibility page embedded below to check your address. We include direct links to contact our RainWise team and the city rebate form.
Cistern systems
Rainwise-ready cistern configurations
From slimline tanks to underground storage, every system integrates with gutter upgrades and compliance documentation.
Slimline vertical tanks
Ideal for tight Seattle lots. Capacities 205–530 gallons. Links with gutter replacements.
See all cistern typesHorizontal low-profile
Great for Bellevue side yards. Connect with recent installs.
Plan a cistern projectUnderground systems
Hidden storage that pairs with compliance audits and Kirkland drainage requirements.
Estimate rebates
Installation process
We handle city forms, compliance, and submission
Every Rainwise project follows the same proven steps with links to gutters, compliance, and cistern resources.
🏗️
Install & inspection
Our crew installs, coordinates city inspection, and completes rebate paperwork.
Pricing & rebates
Estimate Rainwise costs and savings
Use the estimator below to understand install cost, rebate percentage, and estimated out-of-pocket investment.
| Package | Average Install Cost | Rebate % | Homeowner Estimate |
|---|---|---|---|
| Single cistern (205–330 gal) | $4,800 | 65% | $1,680 |
| Dual cistern + gutter tie-in | $7,950 | 80% | $1,590 |
| Underground system | $12,400 | 70% | $3,720 |
Results
Rainwise homeowners share their outcomes
Learn how Seattle residents secured rebates and integrated gutters, cisterns, and compliance with Osprey Exterior.
“Ballard project: 530-gallon slimline cistern, new gutters, $3,950 rebate submitted by Osprey the day after inspection.”
“Redmond Rainwise cistern + compliance audit passed on the first inspection—rebate funds hit in six weeks.”
Ready to claim your rebate?
Fill out the Rainwise consultation form and our certified team will contact you within one business day.