Facility Maintenance Contractors in Thornton, Colorado

3 listings: 1 plumbing, 1 roofing, 1 locks & doors. From OpenStreetMap; call to confirm they take commercial work.

Who Services Commercial Buildings in Thornton, Colorado?

We list 3 maintenance contractors in Thornton: 1 plumbing, 1 roofing, 1 locks & doors. 3 list a phone number and 3 a website. Nearby options include Denver, North Washington, Northglenn. Ask each whether they take commercial work, then check the license and insurance.

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

Columbine Roofing LLC

871 Thornton Parkway, Thornton

RoofingPhone listedWebsiteSource: OSM

Preferred Garage Doors – Thornton, CO

Thornton

Locks & DoorsPhone listedWebsiteHours listedSource: OSM

Royal Services Plumbing

3351 East 120th Avenue, Thornton

PlumbingPhone listedWebsiteSource: OSM

Maintaining a Building in Thornton

Plumbing (1 here): facilities usually schedule plumbers yearly for backflow tests and water heaters, plus repairs as needed. Questions to ask.
Roofing (1 here): facilities usually schedule roofing contractors twice a year, usually spring and fall, and after major storms. Questions to ask.
Locks & Doors (1 here): facilities usually schedule locksmiths and commercial door companies as needed, plus a yearly check of doors and hardware. Questions to ask.

No HVAC, electrical are mapped in Thornton yet; many serve the wider area, so check Colorado and the nearby listings below. For cleaning, see cleaning.broker.

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