Updated daily from official Seattle records

Seattle Addition
Building Permits

136 addition permits tracked in Seattle. 98 projects have no contractor yet.

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136

Permits tracked

98

No GC assigned

$71M

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 3939 S AMERICUS ST
HOT · No GC addition In Review Jul 17, 2026

Construct substantial alterations for second floor addition to existing one-family dwelling per plan.

3939 S AMERICUS ST, 98118

SEATTLE, WA · $196,997

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Map of 9010 WALLINGFORD AVE N
HOT · No GC addition In Review Jul 17, 2026

Construct alterations and additions for a two-family dwelling per plan. ( Allow housing for one new attached dwelling u...

9010 WALLINGFORD AVE N, 98103

SEATTLE, WA · $85,831

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Map of 9010 WALLINGFORD AVE N
HOT · No GC addition Jul 17, 2026

Construct new one-family dwelling (East) per plan. (Allow housing for one new attached dwelling unit at an existing str...

9010 WALLINGFORD AVE N, 98103

SEATTLE, WA · $114,937

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Map of 5109 2ND AVE NW
HOT · No GC addition In Review Jul 16, 2026

Construct addition and substantial alterations to a one-family dwelling per plans

5109 2ND AVE NW, 98107

SEATTLE, WA · $300,000

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Map of 2434 S JUDKINS ST
HOT · No GC addition In Review Jul 15, 2026

Construct alterations and addition at northern portion of one-family dwelling subject to field inspection [STFI].

2434 S JUDKINS ST, 98144

SEATTLE, WA · $250,000

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Map of 3936 S AMERICUS ST
HOT · No GC addition In Review Jul 15, 2026

Construct alterations to existing one-family dwelling no additions per plan.

3936 S AMERICUS ST, 98118

SEATTLE, WA · $230,000

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Map of 4726 23RD AVE SW
HOT · No GC addition In Review Jul 15, 2026

Construct deck addition to east side of existing one-family dwelling per plan.

4726 23RD AVE SW, 98106

SEATTLE, WA · $10,000

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Map of 7300 47TH AVE NE
HOT · No GC addition In Review Jul 15, 2026

Construct addition & alterations to one-family dwelling per plan

7300 47TH AVE NE, 98115

SEATTLE, WA · $350,000

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Map of 4833 NE 45TH ST
HOT · No GC addition In Review Jul 15, 2026

Allow housing for one new stacked dwelling unit at an existing structure per land use code. Construct addition & subst...

4833 NE 45TH ST, 98105

SEATTLE, WA · $508,290

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Map of 2541 NE 91ST ST
HOT · No GC addition Issued Jul 14, 2026

Construct bathroom addition on basement level of a one-family dwelling subject to field inspection (STFI)

2541 NE 91ST ST, 98115

SEATTLE, WA · $17,750

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Map of 3221 NE 89TH ST
HOT · No GC addition In Review Jul 14, 2026

Construct addition & substantial alterations to one-family dwelling per plan

3221 NE 89TH ST, 98115

SEATTLE, WA · $300,000

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Map of 3030 S FINDLAY ST
HOT · No GC addition In Review Jul 13, 2026

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

3030 S FINDLAY ST, 98108

SEATTLE, WA · $309,888

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