Maintenance guide · Washington

Facility Maintenance Contractors in Washington

466 maintenance contractors in 141 cities and towns, from OpenStreetMap (refreshed November 6, 2026).

How Many Maintenance Contractors Are There in Washington?

We list 466 maintenance contractors in Washington: 125 HVAC, 90 plumbing, 83 electrical, 87 roofing and 8 fire protection companies, across 141 {cities.length === 1 ? 'city' : 'cities and towns'}. Check each license and insurance certificate, and ask whether they take commercial work.

Updated November 6, 2026 · Source: OpenStreetMap (refreshed November 6, 2026).

125HVAC
90plumbing
83electrical
87roofing

By Category in Washington

Cities and Towns

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Largest Cities in Washington

Seattle 36 Listed

11235 26th Avenue Southwest, Seattle

ElectricalPhone listedHours listedSource: OSM

14330 Aurora Avenue North, Seattle

PlumbingWebsiteHours listedSource: OSM

515 7th Avenue South, Seattle

PlumbingPhone listedWebsiteSource: OSM

Spokane 32 Listed

Kent 24 Listed

Kirkland 15 Listed

12437 116th Avenue Northeast, Kirkland

Locks & DoorsPhone listedWebsiteHours listedSource: OSM

Auburn 14 Listed

Vancouver 12 Listed

7609 Macarthur Boulevard, Vancouver

HVACSource: OSM

8004 Northeast Highway 99, Vancouver

HVACWebsiteSource: OSM

Bellingham 11 Listed

1323 Lincoln Street, Bellingham

Pest ControlPhone listedWebsiteSource: OSM

Renton 11 Listed

Spokane Valley 11 Listed

3004 N Sullivan Rd, Spokane Valley

RoofingPhone listedWebsiteHours listedSource: OSM

Tacoma 11 Listed

2725 South Hosmer Street, Tacoma

ElectricalSource: OSM

1303 East 60th Street, Tacoma

RoofingSource: OSM

Maintaining a Building in Washington

How many maintenance contractors are listed in Washington?

We list 466 businesses in Washington across 141 {cities.length === 1 ? 'city' : 'cities and towns'}: 9 facility maintenance, 125 HVAC, 90 plumbing, 83 electrical, 87 roofing, 8 fire protection, 1 elevators, 16 pest control, 56 locks & doors, 2 handyman, 2 parking lots. The most are in Seattle (36), Spokane (32), Kent (24).

How do I check a contractor license in Washington?

Search the state licensing board or the city or county that licenses the trade, and match the exact business name and license number. Requirements differ by trade. Ask for a certificate of insurance as well, sent directly by the contractor's insurance agent.

Which inspections does a building in Washington need?

It depends on the building and local code. Fire extinguishers, sprinklers, alarms and emergency lights follow NFPA standards as adopted locally, and elevators and backflow preventers have their own local authorities. Ask your fire marshal, water utility and insurer.

Plan ahead with the maintenance schedule, the budget calculator and the license and insurance guide.

Listings: © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method