Updated daily from official Seattle records

Seattle Addition
Building Permits

288 addition permits tracked in Seattle. 202 projects have no contractor yet.

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288

Permits tracked

202

No GC assigned

$100M

Total project value

Live Data

Recent addition permits in Seattle

Real permits from official Seattle records. Addresses and project values are public — sign up to unlock owner contact info.

Map of 8915 10TH AVE S
HOT · No GC addition Sep 24, 2026

Allow housing for one new attached dwelling unit at an existing structure per land use code. Construct additions and su...

8915 10TH AVE S, 98108

SEATTLE, WA · $280,000

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Map of 1905 26TH AVE E
HOT · No GC addition In Review Sep 23, 2026

Construct addition & alterations to one-family dwelling per plan

1905 26TH AVE E, 98112

SEATTLE, WA · $170,000

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Map of 1732 16TH AVE
HOT · No GC addition In Review Sep 22, 2026

Construct deck addition and alterations at west side of existing institution (Hilltop Manor) per plan.

1732 16TH AVE, 98122

SEATTLE, WA · $185,000

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Map of 2118 SW HENDERSON ST
HOT · No GC addition In Review Sep 22, 2026

Construct addition and alterations to existing one family residence per plan.

2118 SW HENDERSON ST, 98106

SEATTLE, WA · $150,000

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Map of 324 N 138TH ST
HOT · No GC addition In Review Sep 22, 2026

Construct addition to existing one-family dwelling per plan.

324 N 138TH ST, 98133

SEATTLE, WA · $105,000

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Map of 9756 WALLINGFORD AVE N
HOT · No GC addition In Review Sep 22, 2026

Construct addition and alterations to existing one family dwelling per plan.

9756 WALLINGFORD AVE N, 98103

SEATTLE, WA · $50,000

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Map of 5710 WOODLAWN AVE N
HOT · No GC addition In Review Sep 22, 2026

Construct substantial alterations and additions to one family dwelling per plan.

5710 WOODLAWN AVE N, 98103

SEATTLE, WA · $250,000

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Map of 3718 34TH AVE SW
HOT · No GC addition In Review Sep 22, 2026

Construct deck addition and associated site work to a one-family dwelling per plans

3718 34TH AVE SW, 98126

SEATTLE, WA · $85,000

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Map of 8528 25TH AVE NW
HOT · No GC addition In Review Sep 22, 2026

Construct addition to existing one-family dwelling per plan.

8528 25TH AVE NW, 98117

SEATTLE, WA · $240,831

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Map of 713 24th AVE E
HOT · No GC addition In Review Sep 22, 2026

Construct new site stairway at east side of property that will extend into street right-of-way past two-tier "Allen Blo...

713 24th AVE E

Seattle, WA · $25,000

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Map of 3627 BURKE AVE N
HOT · No GC addition In Review Sep 21, 2026

Construct covered porch addition with bike storage room below stairs and landing at east side of existing one-family dw...

3627 BURKE AVE N, 98103

SEATTLE, WA · $50,000

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Map of 1932 35TH AVE W
HOT · No GC addition Issued Sep 21, 2026

New first floor addition to existing detached one-story single family residence.Construct addition and alterations to ex...

1932 35TH AVE W, 98199

SEATTLE, WA · $300,000

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