Forms & Resources
Information provided to the City of Seattle is considered a public record and may be subject to public disclosure. For more information, see the Public Records Act, RCW Chapter 42.56.
(All documents PDF format unless noted otherwise.)
Water Availability Certificate
- Water Availability Certificate (WAC) Request
- WAC issued after March 28, 2020: Water system improvement determination review request
New water services
- Water Service Application and Agreement
- Request for Additional Water Services
- Disclosure of Environmental Conditions Addendum
- Water Meter Reset Application
- Track your tap request
- Development Charges - Water
- DSO charge menu
- Example small water service utility site plan
- Site plan markup tools
- Certificate of Insurance Example
Hydrants
Water main installations
Initiation
- Request for Utility System Improvement Contract
- Acknowledgement of contribution for water main
- Property Owner Installed Water Main Checklist
- Contractor information developer-installed water main
- Insurance sheets for developer's contractor
- Water quality checklist
Design
- Requesting hydrant flow test
- General notes for 4- through 12-inch water mains
- Selective notes for 4- through 12-inch water mains
- Easements
- Sample easement conditions
Pre-construction
Construction
- Contractor information developer-installed water main
- Developer installed water mains flow chart
- Insurance sheets for developer's contractor
- Property owner application to change water system distribution
- Property Owner Installed Water Main Checklist
- Water quality checklist
Drainage and wastewater information
- Apply for a sewer submeter
- Core Tap Procedures for Storm and Sewer Mains
- Drainage and wastewater (DWW) utility protection notes
- PAR issued after March 28, 2020: Drainage & wastewater improvement determination review request
- Request to enter a maintenance hole
- Tip 507, Build-Over and/or Re-Route Review and Approval Process
Latecomer Agreement
- Latecomer Agreement Application Form
- Cost Estimating Worksheet (XLSM format)
- Exhibit B - Assessment Reimbursement Area Parcel Roll (XLSM format)
- Latecomer Agreement New Assignment Contact Form
- Latecomer Agreement Contact Information Form
Construction and demolition
Maps
- Side sewer cards & maps – find lateral maps, aerial photographs, and side sewer cards
- Water and sewer map – research utility access for properties
- GIS Maps - request custom maps
- Property & Building Activity – find permit and construction activity
Records and publications
- CAD resources
- Permit & property records search
- Records Vault
- Standard Specifications & Plans
- Design Standards & Guidelines
Other resources
- Get started on a construction project, apply for a Preliminary Assessment Report (PAR) via the SDCI Project Portal
- Email the SDCI’s Side Sewer & Drainage Counter at sidesewerinfo@seattle.gov
- Apply for or check the status of an SDOT street use permit
- SDOT Street Improvement Permit Resources
- King County’s Industrial Wastewater Discharge Approvals
- Contact the Washington Utility Notification Center before you dig