Timing: Before submitting the DADU permit package.

Likely documents: Site plan, Selected pre-approved design package, Permit application materials

Gallery and plan set should be reviewed as Seattle updates ADU and middle-housing rules.

Timing: Before construction begins.

Likely documents: Assessor exemption application, Description of planned improvement

The filing deadline matters; surface before construction, not after a feasibility packet.

Timing: Before purchase or installation; rebates are designed for point-of-sale participation.

Likely documents: Income eligibility documentation, Qualified contractor or program administrator documentation

Keep separate from federal HOMES/HARP records that have not launched in Washington.

Timing: Before purchasing or installing eligible equipment.

Likely documents: Utility account or service address, Qualified equipment and contractor documentation

P2 must resolve SCL service territory before this can become a clean parcel match.

Timing: Before purchasing or installing eligible equipment; PSE contractor requirements may apply.

Likely documents: PSE account or service address, Qualified equipment and contractor documentation

PSE gas territory remains a lower-confidence P2 resolver input until a stronger open source is confirmed.

Timing: Before construction begins.

Likely documents: Assessor exemption application, Description of planned improvement

The filing deadline matters; surface before construction, not after a feasibility packet.

Timing: Before purchase or installation; rebates are designed for point-of-sale participation.

Likely documents: Income eligibility documentation, Qualified contractor or program administrator documentation

Keep separate from federal HOMES/HARP records that have not launched in Washington.

Timing: Before purchasing or installing eligible equipment.

Likely documents: Utility account or service address, Qualified equipment and contractor documentation

P2 must resolve SCL service territory before this can become a clean parcel match.

Timing: Before purchasing or installing eligible equipment; PSE contractor requirements may apply.

Likely documents: PSE account or service address, Qualified equipment and contractor documentation

PSE gas territory remains a lower-confidence P2 resolver input until a stronger open source is confirmed.

Likely documents: Proof of age, disability, or veteran status, Income documentation, Ownership and occupancy documentation

Marked changing because SB 6162 requires threshold updates for 2027.

Timing: Before hiring a contractor or starting repair work.

Likely documents: Income documents, Ownership and occupancy documentation, Program application, IRS Form 4506 or 4506-T when requested

The public page warns that outside contractor work is not reimbursed.

Timing: Before hiring a contractor or starting repair work.

Likely documents: Income documents, Ownership and occupancy documentation, Repair scope

Flagship geography-hard-filter example: Seattle parcels must not see this as available.

Timing: Before hiring a contractor or starting repair work.

Likely documents: Income documents, Ownership and occupancy documentation, Program application, IRS Form 4506 or 4506-T when requested

The public page warns that outside contractor work is not reimbursed.

Timing: Before installing cisterns or rain gardens.

Likely documents: Eligibility check, RainWise contractor scope

P2 must distinguish RainWise target basins from all CSO basins.

Timing: Before hiring a contractor or starting repair work.

Likely documents: Income documents, Ownership and occupancy documentation, Repair scope

Flagship geography-hard-filter example: Seattle parcels must not see this as available.