Category: Policy & Market

Every Seattle Permit Has an Expiration Date
Seattle land use and building permits run on separate expiration clocks. Two dates matter for anyone holding or waiting on an approval: December 31, 2026 and…

What Can Be Built on a Seattle Lot
Zoning sets the ceiling on a Seattle lot. Storm drainage, trees and frontage work in the right of way decide how close a lot gets to…

Stacked Flats in Seattle’s NR Zones: What Your Lot Can Hold in 2026
Seattle's 2026 NR standards allow stacked flats at one unit per 600 sq ft of lot area. The density, floor area, height and parking standards, what…

How Much Does a DADU Cost in Seattle? 2026 Costs, Timeline, and Rules
Seattle DADU costs in 2026, permit and construction timelines, the size and setback rules, and how to test whether a detached cottage is the right use…

How Many Units Can I Build on My Lot in Seattle?
How Washington's middle housing law and Seattle's January 2026 zoning set the baseline for a lot, and the site, access and utility conditions that decide the…
