Water damage repair and restoration in Gaithersburg, MD
Water damage in Gaithersburg, MD usually starts in one of a few places: a failed supply line or water heater, a roof or window leak, or water that gets into a basement or crawl space. Gaithersburg has 27,386 homes with a median build year of 1989: 5% predate 1960 and 31% were built since 2000, so plumbing ranges from original copper and galvanized lines to newer PEX. Restoration companies in our network serve 8 Gaithersburg ZIP codes in Montgomery County.

Quick answer
For water, fire or smoke damage in Gaithersburg, MD, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 8 Gaithersburg ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
Census data
Gaithersburg homes by the numbers
- Homes
- 27,386
- Median year built
- 1989
- Built before 1960
- 5%
- Owner-occupied
- 51%
Among the 21 Maryland cities with pages on this site, Gaithersburg ranks #8 by number of homes and has older housing than 20% of them (median build year 1989). Its share of pre-1960 homes (5%) is below the 21% average for those cities, so appliance and supply-line leaks are a bigger share of calls.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates (tables B25034, B25035, B25003); 70,686 residents per the 2024 population estimate.
Local risks
What causes water damage in Gaithersburg
Pipes from every era
With a median build year of 1989, Gaithersburg has everything from galvanized and copper lines to PEX. Older homes see pipe and drain failures; newer ones see more appliance and fitting leaks.
Rowhouse roofs and walls
Flat rowhouse roofs and shared walls let leaks travel between homes.
Basement flooding
Heavy summer storms overwhelm drainage and sump pumps in finished basements.
Seasonal risks, licensing and FEMA history across the state are on the Maryland page.
Common calls
Most requested in Gaithersburg
Disaster history in Montgomery County
Since 2000, FEMA has included Montgomery County in 8 major disaster declarations: 3 snowstorms, 3 severe storms, 2 hurricanes. The most recent was Severe Winter Storm and Snowstorm in 2016 (DR-4261).
Source: OpenFEMA disaster declarations, retrieved October 5, 2026.
FAQ
Gaithersburg water damage questions
Who do I call for water damage in Gaithersburg?
For water, fire or smoke damage in Gaithersburg, MD, shut off the water or power if it's safe, then call (833) 462-1975. We connect you with an independent restoration company that serves your ZIP; 8 Gaithersburg ZIP codes are covered. Drying should start within 24 to 48 hours to prevent mold.
How old are homes in Gaithersburg?
The median home in Gaithersburg was built in 1989. About 5% of its 27,386 homes were built before 1960 and 31% in 2000 or later, according to the Census Bureau's American Community Survey. Older homes are more likely to have corroded pipes and drains; newer homes see more appliance and supply-line leaks.
Has Montgomery County had federally declared disasters?
Yes. Since 2000, FEMA has included Montgomery County in 8 major disaster declarations for storms, floods, fires and similar events, most recently Severe Winter Storm and Snowstorm (2016). Federal assistance is only available for declared events; most water damage is handled through homeowners or flood insurance.
Do you cover all of Gaithersburg?
Restoration companies in our network cover 8 Gaithersburg ZIP codes. Coverage is set ZIP by ZIP, so enter yours in the ZIP checker or call to confirm a company serves your address.
ZIP codes covered in Gaithersburg
20877, 20878, 20879, 20882, 20884, 20885, 20898, 20899
Water damage help near Gaithersburg
- Water damage restoration in Germantown, MD4 mi
- Water damage restoration in Rockville, MD5 mi
- Water damage restoration in Aspen Hill, MD7 mi
- Water damage restoration in Potomac, MD9 mi
- Water damage restoration in Wheaton, MD10 mi
- Water damage restoration in Bethesda, MD12 mi
- Water damage restoration in Silver Spring, MD14 mi
- Water damage restoration in McLean, VA14 mi
Also covered in Montgomery County: Germantown · Silver Spring · Bethesda · Rockville · Aspen Hill · Wheaton · Potomac · Olney · Sandy Spring · Montgomery Village · Boyds · Clarksburg · Damascus · Takoma Park · Ashton · Colesville · Flower Hill · Burtonsville
Guides for Gaithersburg homeowners
Water damage in Gaithersburg?
Stop the source if you can, then call. We'll connect you with a local restoration company that serves your ZIP.
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