Washington
HVACSource: OSM
Maintenance guide · District of Columbia
Facility Maintenance Contractors in District of Columbia
6 maintenance contractors in 1 city, from OpenStreetMap (refreshed November 6, 2026).
How Many Maintenance Contractors Are There in District of Columbia?
We list 6 maintenance contractors in District of Columbia: 3 HVAC, 0 plumbing, 2 electrical, 0 roofing and 0 fire protection companies, across 1 {cities.length === 1 ? 'city' : 'cities and towns'}. Check each license and insurance certificate, and ask whether they take commercial work.
3HVAC
0plumbing
2electrical
0roofing
Cities and Towns
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All Listings in District of Columbia
3437 14th Street Northwest, Washington
HVACPhone listedWebsiteSource: OSM
1107 7th Street Northwest, Washington
Locks & DoorsPhone listedWebsiteHours listedSource: OSM
3111 Georgia Avenue Northwest, Washington
ElectricalSource: OSM
900 7th Street Northwest, Washington
ElectricalSource: OSM
1045 Wisconsin Avenue Northwest, Washington
HVACPhone listedWebsiteSource: OSM
Maintaining a Building in District of Columbia
How many maintenance contractors are listed in District of Columbia?
We list 6 businesses in District of Columbia across 1 {cities.length === 1 ? 'city' : 'cities and towns'}: 3 HVAC, 2 electrical, 1 locks & doors. The most are in Washington (6).
How do I check a contractor license in District of Columbia?
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 District of Columbia 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.