On-site within an hour
24/7 response to every Montgomery County community.
24/7 emergency response · All of Montgomery County, MD
Water damage stopped at the source. On-site within the hour.
A burst pipe in Rockville, a flooded basement in Bethesda, storm water in Gaithersburg. Every minute water sits costs you more. Mammoth sends our IICRC-certified team with truck-mounted extraction to every corner of Montgomery County, day or night, and handles your insurance claim from first call to final inspection.
- 1 hr to on-site
- 5.0 stars on Google
- 25 communities served
IICRC-certified team
WRT, ASD and AMRT certified on every job.
Insurance billing handled
We document, scope and bill all major carriers directly.
Daily progress updates
Moisture readings and next steps, every single day.
Water damage & mold services
One team for every kind of water emergency.
From the first gallon extracted to the final antimicrobial treatment, the same certified team runs your job and reports to you every day.
Emergency Water Extraction & Restoration
24/7 truck-mounted water extraction and full restoration for homes and businesses across Montgomery County, MD, with our team on-site within an hour.
Basement Flood Cleanup
Pumping, extraction, drying and sanitizing for flooded basements in Gaithersburg, Rockville, Bethesda, Silver Spring and the rest of Montgomery County.
Burst Pipe Water Damage
Immediate response to frozen and burst pipes: water containment, extraction, and drying to limit structural damage and repair cost.
Structural Drying & Dehumidification
Industrial dehumidifiers, air movers and daily moisture mapping dry walls, floors and subfloors to IICRC standards and stop mold before it starts.
Sewage Backup & Contaminated Water Cleanup
Safe extraction, removal and disinfection of sewage and Category 3 water using EPA-registered biocides to protect your family.
Storm & Flood Damage Restoration
Emergency pumping, tarping, extraction and drying after heavy rain, flash flooding and severe storms in Montgomery County.
Mold Remediation
Certified mold inspection, containment, HEPA filtration and removal at the source, with documentation for your insurance claim.
How restoration works
Four steps, measured every day.
Inspection & moisture mapping
Thermal cameras and moisture meters measure water in walls, floors and the air. Every affected area gets treated, and no unnecessary work gets done.
Emergency water extraction
Truck-mounted extraction units pull standing water out fast. The faster water leaves, the less secondary damage and the smaller the restoration bill.
Structural drying & dehumidification
Industrial dehumidifiers and air movers dry walls, subfloors and ceiling cavities. Daily readings matter in Montgomery County's humid climate, where mold can start within 24 to 48 hours.
Cleaning & sanitizing
Belongings are cleaned and sanitized. Carpet, clothing and drapery get antimicrobial treatment, and air scrubbers clear particles and moisture from the air.
Look for the mammoth
You will know us when we pull up.
Our van is stocked with truck-mounted extraction, commercial dehumidifiers, air movers, thermal cameras and containment supplies, so work starts the moment our team arrives. Our team wears Mammoth uniforms and carry IICRC credentials.
- IICRC Water Restoration Technician (WRT)
- IICRC Applied Structural Drying (ASD)
- IICRC Applied Microbial Remediation Technician (AMRT)
- Licensed & insured in Maryland
Service area
All of Montgomery County. Every ZIP code.
Water does not follow city limits and neither do we. Mammoth is based in Gaithersburg and reaches every community in the county within an hour.
See all 25 communitiesCustomer reviews
5.0 stars on Google.
We had a late night Friday (of course!) emergency involving a leak from the tub through the kitchen ceiling. After some googling I found I needed a water restoration professional. Rey answered and provided guidance and offered to evaluate the situation same day. Communicating was a breeze. Rey is very responsive and professional and nice. He has a lot of equipment and knowledge. We're so happy with the outcome and we have peace of mind because it was a job done right start to finish. It looks better than before. He's our go to guy now.
My dishwasher failed and flooded my kitchen — total nightmare. Renat was at my door fast and immediately got to work extracting the water and drying everything out. They checked the walls, floors, and cabinets to make sure no moisture was hiding where I couldn't see it. Knowing the damage was fully taken care of and mold wasn't going to be a problem later gave me real peace of mind. Professional team, great work.
Quick answers
What to do right now.
Can't find your question? Ask our search in plain language, or call 240-805-7717.
What should I do immediately after water damage in Montgomery County, MD?
Call Mammoth at 240-805-7717. We reach every Montgomery County community within an hour. Turn off the water source if it is safe, move valuables to a dry area, and photograph everything for your insurance claim. Do not use household fans or a shop vac: improper drying spreads moisture and speeds up mold growth.
How quickly can you respond to water damage in Montgomery County, MD?
Mammoth responds to all of Montgomery County, including Gaithersburg, Rockville, Bethesda, Silver Spring, Germantown, Potomac and Chevy Chase, within an hour, 24 hours a day, 7 days a week.
Do you serve Bethesda, Rockville, and Silver Spring?
Yes. We serve every city and community in Montgomery County, MD, including Gaithersburg, Rockville, Bethesda, Silver Spring, Germantown, Potomac, Chevy Chase, Olney, Kensington, Wheaton, Aspen Hill, Clarksburg, Damascus and more.
Is your team IICRC certified?
Yes. Our team holds IICRC certifications in Water Restoration Technician (WRT), Applied Structural Drying (ASD) and Applied Microbial Remediation Technician (AMRT). We are fully licensed and insured in Maryland.
24/7 emergency line
Montgomery County water emergency? We are one call away.
Call or text anytime — we respond fast, 24/7.