Northgate · Seattle

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604 N 143rd St

Northgate, Seattle, WA 98133

ConstructionApplied Nov 21, 2025

Residential
Single Family

1 parcel · 3 permitsLast activity Jul 29, 2026

$384K

Est. Value

Units

3,292

Sq Ft

Stories

Parking Spaces

Land use

Complete

Construction

Applied Nov 21, 2025

Completed

—

Permits

3 permits · 2 stages

Permit	Status	Submitted	Issued	Finaled	Value	Firm on the permit
Construction2 permits
7117042-CN	Approved	Nov 21, 2025	—	—	$226K	MODERN BUILDINGS Contractor
	Construct NORTH DADU per plan [Establish use as single family residence (SFR) with detached accessory dwellings (DADU) per land use code. Construct as north west and south one-family dwellings; review and process for three records under 7083064-CN] Submitted Nov 21, 2025
7083064-CN	Approved	Apr 29, 2025	—	—	$384K	MODERN BUILDINGS Contractor
	Construct WEST SFR per plan [Establish use as single-family dwelling unit with detached accessory dwelling units per Land Use Code. Construct as North West and South one-family dwellings review and process for three records under 7083064-CN]. Submitted Apr 29, 2025
Demolition1 permit
7083065-DM	Issued	Apr 29, 2025	Nov 03, 2025	—	$150K	MODERN BUILDINGS Contractor
	Demolish existing one family dwelling per plan. Submitted Apr 29, 2025Issued Nov 03, 2025

Permit data from SDCI

The full record

5 sections · with Pro

More about 604 N 143rd St

The land and its zoningPro
Parcel numbers, lot sizes, assessed values and zoning
1 parcel
What is inside the buildingPro
Floor areas from 2 of the 3 permits
4 areas
Sales historyPro
Recorded sales of this property, with the date and price of each
Press coveragePlus
News articles about this project, with the date of each
ContactsPro
The financially responsible party and the developer
2 contacts

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