How much housing is Seattle building?
Net new homes: units added by building permits as they reach completion (final inspection), minus units demolished. How units are counted
2025-10-06 → 2026-10-05
6,196 added − 528 demolished
8,906 in the 12 months before →3,707 added − 415 demolished
5,436 by the same date in 2025 →Provisional: completions are sometimes recorded late.
Units completed per year, by housing type
Units added by housing type above the line, units demolished below it, and the net as a line. Look for which kinds of housing drive the totals and how the mix shifts after policy changes. Click a bar to see its permits.
1,228 projects
- 1Permanent middle housing, Jan 21, 2026. Permanent middle-housing zoning takes effect (CB 120993). Source
13% of these units have a housing type inferred from the permit description because the City didn't record one; 0% couldn't be classified. How types are assigned
Trailing 12-month total
Net units completed in the 12 months up to each month. Smooths out seasonal swings, so it's the fairest way to tell whether the city is speeding up or slowing down.
Largest completions
The biggest permits completed between Oct 6, 2025 and Oct 5, 2026, and their share of the 6,196 units added in that period.
| Address | Type | Completed | Units | Share |
|---|---|---|---|---|
2000 3RD AVE Phased project: Construct high rise apartment building with offices retail and below grade parking occupy per plan. Mechanical Included. Street View | Large multifamily | Nov 13, 2025 | 459 | 7.4% |
900 RAINIER AVE S Phased project: Construct mixed-use residential building with below-grade parking occupy per plan. Existing landmarked structure at 1130 Rainier Ave S to remain. Street View | Large multifamily | Oct 8, 2025 | 450 | 7.3% |
7324 M L KING JR WAY S Construct new multifamily building occupy per plan. Mechanical Included. Street View | Large multifamily | Jul 30, 2026 | 271 | 4.4% |
201 NE 103RD ST Establish use as apartment per land use code. Construct new Mixed Use building occupy per plan. Street View | Large multifamily | Dec 1, 2025 | 235 | 3.8% |
14343 15TH AVE NE Establish use as apartment per land use code. Construct a multifamily building occupy per plan. Mechanical included. Street View | Large multifamily | Jan 14, 2026 | 207 | 3.3% |
7544 M L KING JR WAY S Establish use as and construct mixed-use building occupy per plan Street View | Large multifamily | Dec 12, 2025 | 170 | 2.7% |
4907 25TH AVE NE Phased Project: Construct a residential and retail building with at grade parking and occupy per plan Street View | Large multifamily | Nov 20, 2025 | 170 | 2.7% |
300 W REPUBLICAN ST Establish use as multi-family and construct apartment building occupy per plan. Street View | Large multifamily | Nov 12, 2025 | 169 | 2.7% |
1314 E UNION ST Establish use as & construct apartment structure occupy per plan Street View | Mid-size multifamily | Jun 24, 2026 | 139 | 2.2% |
13300 STONE AVE N Change of use from an emergency shelter to supportive housing per the land use code. Construct alterations for same for a multi-family building occupy per plans Street View | Mid-size multifamily | Jul 14, 2026 | 120 | 1.9% |