Construction projects in South Lake Union, Seattle

27 PROJECTS · 22 ACTIVE

Projects

Active

4,049

Residential units

$1.8B

Est. value

14.2

Avg. stories

Area map

27 LOCATIONS

Projects by stage

27 STAGED

Land Use / Design Review311%

Design Review14%

Under Construction1867%

Completed519%

What’s being built · 22 active

Commercial

889,982 sq ft office · 99,915 sq ft retail

8 projects

Mixed Use

2,533 units · 514,843 sq ft office · 47,117 sq ft retail

8 projects

Residential

1,290 units · 232,500 sq ft office · 1,500 sq ft retail

6 projects

New projects by year

older projects leave tracking as they finish

Notable projects

Largest projects

BY EST. VALUE

11101 Thomas St$200M 2233 6th Ave N$180M 31305 Stewart St$165M 4750 Republican St$125M 51370 Stewart St$120M

Active in South Lake Union

ACTIVE PIPELINE

Developers

Arbutus Properties2 projects Vulcan Real Estate1 project Ryan Companies1 project 112-130 Fifth Avenue Development WA, LLC1 project Shorenstein1 project

Architects

Perkins&Will3 projects Ankrom Moisan2 projects Weber Thompson2 projects Development Objectives2 projects Compton Design Office1 project

Recent activity

LATEST 6

Status changed

1721 8th Ave N

Unknown → Under Construction

Jul 2026

Status changed

401 Eastlake Ave E

Unknown → Land Use / Design Review

Feb 2026

Status changed

1213 Valley St

Unknown → Land Use / Design Review

Jan 2026

New project started · 3043451-LU

Unknown → Land Use / Design Review

Jan 2026

New permit · 7115874-CN

1101 Thomas St

Construction

Nov 2025

Nearby neighborhoods

Eastlake Queen Anne Downtown First Hill

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