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
2026-01-01 → 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.
948 projects
- 1Permanent middle housing, Jan 21, 2026. Permanent middle-housing zoning takes effect (CB 120993). Source
15% 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 Jan 1, 2026 and Oct 5, 2026, and their share of the 3,707 units added in that period.
| Address | Type | Completed | Units | Share |
|---|---|---|---|---|
7324 M L KING JR WAY S Construct new multifamily building occupy per plan. Mechanical Included. Street View | Large multifamily | Jul 30, 2026 | 271 | 7.3% |
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 | 5.6% |
1314 E UNION ST Establish use as & construct apartment structure occupy per plan Street View | Mid-size multifamily | Jun 24, 2026 | 139 | 3.7% |
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 | 3.2% |
2821 NE 123RD ST Establish use as permanent supportive housing per land use code. Construct apartment occupy per plan. Street View | Mid-size multifamily | Jun 10, 2026 | 120 | 3.2% |
901 S MAIN ST Establish use as multi-family and construct apartment building and occupy per plan (Construct new multifamily building and below grade tiebacks on 2 adjacent properties review and process for 3 CN's under 6735840-CN).[2/29/24 JSS Changed address to match construction permit.] Street View | Mid-size multifamily | Feb 13, 2026 | 114 | 3.1% |
4905 AURORA AVE N Construct low-income mixed-use apartment building occupy per plan. Street View | Mid-size multifamily | Jan 6, 2026 | 95 | 2.6% |
157 12TH AVE Construct tenant improvements to existing multifamily building occupy per plan. Mechanical included. Street View | Mid-size multifamily | Jan 8, 2026 | 84 | 2.3% |
201 QUEEN ANNE AVE N Change of use from Office/Commercial use to residential use per land use code. Construct substantial alterations and upper level addition to convert commercial office building to multi-family residential building occupy per plan. Mechanical included. Street View | Mid-size multifamily | Aug 5, 2026 | 74 | 2.0% |
9208 20TH AVE SW Establish use as & construct mixed-use structure occupy per plan. Mechanical included Street View | Mid-size multifamily | Feb 13, 2026 | 74 | 2.0% |