Looking for a commercial roofer in Gaithersburg, MD? Describe your project once and up to five commercial roofing contractors who work in Gaithersburg and Montgomery County get back to you with a quote. It's free and there is no obligation.
Gaithersburg is home to about 70,686 people (2024 Census Bureau estimate), a growing community (+1.5% since 2020). With 6,838 people per sq mi, it is a densely built-up area. Warehouses, retail centers and offices here depend on low-slope roofs that need regular care.
Gaithersburg at a glance
- Population (Census Bureau estimate, 2024)
- 70,686 (+1.5% since 2020)
- Rank in Maryland
- 3rd of 157 cities and towns
- Land area
- 10 sq mi
- Population density
- 6,838 people per sq mi (densely built-up)
- Type
- City (Gaithersburg city)
- Main county
- Montgomery County
What to check before hiring in Gaithersburg
- License and permit: in Maryland, check the contractor's license and the permit.
- Survey: an infrared or core survey informs the decision.
- Warranty: ask whether the installer is certified by the manufacturer.
- Price drivers: area, system, insulation, tear-off and access.
Useful official resources
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NRCA
Official information and guidance.
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ICC: International Code Council
Official information and guidance.
Services available in Gaithersburg
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Commercial roof replacement
Tear-off or recover with a new low-slope roof system and the permit.
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Repairs, coatings and maintenance
Leak repairs, restoration coatings and maintenance programs.
Frequently asked questions in Gaithersburg
How much does a commercial roof cost in Gaithersburg, MD?
It depends on area, system and tear-off. Describe your building: contractors who serve Gaithersburg send a bid.
Can the building stay open?
Usually yes, with phased work.
How often should it be inspected?
Typically twice a year and after major storms.
Which commercial roofing contractors will contact me?
Up to five independent commercial roofing contractors who serve Gaithersburg and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.