Multitenant Buildings


PSM has many years of experience in the structural design of multiunit residential projects, including apartments, condominiums, and hotels. Our deep knowledge of wood and concrete systems for above and below ground construction aids the design team in determining optimal solutions.

Latest Multiunit Residential Projects

Additional Multiunit Residential Projects

Legacy Uptown Apartments

Albuquerque, NM

300,000 sf project with two levels of above ground parking and 4 residential levels above that.

Ballard 65th Mixed Use

Seattle, WA

79,000 sf project with 74 units. One level of underground parking with concrete ground level.

Stone Way Mixed Use

Seattle, WA

60,000 sf project with 49 units. One level of underground parking with concrete ground level.

SeaMar Family Housing & Office

Vancouver, WA

This 81,500 sf, 70 unit project has offices, lobby and amenities on the concrete ground level. The residential units are located in the five wood stories atop a transfer PT slab.

NAMU Lofts and Retail

Seattle, WA

17,500 sf four story wood building project with 33 residential units over ground level commercial space. Roof top deck and amenities.

Marriott Courtyard

Woodinville, WA

117,000 sf total construction. 114 guest rooms in four stories of wood construction above second floor with 110 parking stalls in two levels of under-ground parking.

Salmonberry Apartments & Townhomes

Lynden, WA

23,000 sf four story and 13,000 sf two story apartment buildings. The larger building cuts in to a hillside with daylight basement.

Hilton Garden Inn

Olympia, WA

This 80,000 sf hotel project has 118 guest rooms in four-story wood building over concrete and steel framed ground level with full service meeting and recreational spaces.

Fairfield Inn & Suites

Seattle, WA

PSM designed this 130,000sft, 190-room hotel as a Holiday Inn in 1995. This five story wood over first concrete level and an underground parking hotel is being converted into Fairfield Inn & Suites. The work includes adding a mezzanine level and complete redesign of the Facades.

Lensic Hotel

Santa Fe, NM

110,000 sf boutique hotel with 70 rooms. Project is directly adjacent to an existing commercial building with deep pile foundations. 2.5 stories of underground parking with ground level housing lobby and amenities.

Toppenish Family Housing

Toppenish, WA

This project for the Yakima Housing Authority consists of 30 independent housing units with 2 and 3 bedrooms. The project has total 30 units with 35,300 sf two story wood construction.

Seattle Housing Authority “Homeworks” Renovations

Seattle WA

Three-phase project involving upgrade of 22 mid and high-rise residential buildings in Seattle. PSM provided structural engineering support for these upgrades.

Montreux Apartments

Seattle, WA

The downtown Seattle project includes five stories of wood-framing supported on a PT transfer slab at 2nd floor and multiple levels of subterranean parking.

Villa Appia Apartments

Seattle, WA

This 75,000 sf project includes 5 levels of wood framing over 2 levels on grade concrete structure and one underground parking.

Tirupati Balaji Township

Surat, India

Thirty-one 6 story buildings with over 1,000,000 sf of low cost housing. Multiple configurations accommodate different unit sizes for this development, which was constructed of concrete.

Union Residency

Surat, India

This 300,000 sqft, high-end residential project consists of four 11 story towers with recreational spaces on terraces that are connected by sky bridges. We used concrete shear and moment frame combinations to reduce deflections due to earthquake induced forces.


Surat, India

This high-end residential/resort living project by the Arabian Sea shore consists of four 13 story buildings with 325,000 sf of space. A central underground parking space caters to all buildings with recreational spaces including swimming pools and plaza atop parking.

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