Riverwalk Apartments
100+
Projects Delivered
36
Cities, Bellingham to Olympia
40+
Builders, GCs & public agencies
13
Trades, one contract
United Seattle delivered nearly every exterior trade on Riverwalk Apartments, a new three-story mixed-use building on Interurban Avenue South in Tukwila, working for general contractor Constantine Builders.
The building has apartments over ground-floor commercial space, indoor recreation and a parking garage. Our scope ran from the TPO roof to the brick at the base, with siding, windows, doors, insulation and paint in between.
Work ran from May 2024 to January 2025. One contract, one point of contact, and the same crew from start to finish.
TYPE
MIXED-USE — NEW CONSTRUCTION
VALUE
$250K–$500K
Gc/Builder
CONSTANTINE BUILDERS
Service
SIDING, WINDOWS, ROOFING, BRICK & PAINT
BEFORE & AFTER
See the transformation at Riverwalk. Slide between the 'before' and 'after' views to watch a bare wood frame become a finished dark fiber cement and cedar exterior, installed by United Seattle's in-house crews.

More About the Project...
At Riverwalk in Tukwila, United Seattle installed the weather-resistive barrier, windows and doors, then clad the building in dark fiber cement siding with cedar accent bands and stained cedar soffits.
Up top, our crews installed a TPO membrane roof and gutters. At grade, we set brick veneer and grout work. Inside the walls, spray foam and blown insulation closed out the envelope before exterior paint and stain.
Six trades, one subcontractor, one schedule. That is why general contractors bring United Seattle onto multi-scope buildings across King and Snohomish counties.
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