Licensed Plumber in Gaithersburg, MD
Want credentials you can verify? These plumbers are BBB accredited.
Montgomery County15 plumbers available
All Licensed Plumber Pros in Gaithersburg
Len The Plumber Heating & Air, LLC
4.6·8.3k reviews·
13 mi away — Serves your areaGoogle Verified
+3 more
Solid pick4.6Google
Strengths
Weekend and same-day water heater replacement
Techs offer alternate routes that avoid demolition
Stands behind work — returned promptly to redo a guest toilet…
Concerns
Some reviewers cite pricing concerns alongside otherwise positive…
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical
4.7·6.3k reviews·
In GaithersburgGoogle Verified
+4 more
Top pick4.7Google
Strengths
Arrives within stated timeframe;
Identifies and alerts to serious safety hazards beyond the…
Provides honest estimates without pressure to upsell unnecessary…
Combines professionalism with attention to detail (floor…
Preliminary listing — full review analysis coming soon
Heil Plumbing & HVAC
5·997 reviews·
In GaithersburgGoogle Verified
+4 more
Avoid5.0Google
Concerns
Not enough data to identify weaknesses
The Drain Guys
4.7·169 reviews·
In GaithersburgGoogle Verified
+5 more
Avoid4.7Google
Concerns
Not enough data to identify weaknesses
Service Force Plumbing
4.9·674 reviews·
In GaithersburgGoogle Verified
+2 more
Top pick4.9Google
Strengths
Sewer camera inspections with video documentation and…
Honest scope-trimming
After-hours email response with next-day water heater…
Concerns
One reviewer reports being charged a trip fee without a receipt…
Perfectum Construction and Plumbing
5·158 reviews·
In GaithersburgGoogle Verified
+4 more
Solid pick5.0Google
Strengths
Long-tenure relationships: one customer 'working with Vadim for…
Goes beyond plumbing scope: 5-year reviewer lists roof, HVAC,…
Factory-defect water heater anode rod leak resolved same-day so…
Concerns
Not enough data to identify weaknesses
James Plumbing Services Rockville MD
5·19 reviews·
In GaithersburgGoogle Verified
+4 more
Top pick5.0Google
Strengths
All 5 reviews award 5-star ratings with no negative feedback…
Proactive diagnostics: technician identified hidden issues before…
Transparent pricing—refrained from charging for non-essential…
Reliable scheduling: arrived within promised service window and…
Preliminary listing — full review analysis coming soon
QSP Plumbing LLC
5·14 reviews·
In GaithersburgGoogle Verified
+4 more
Top pick5.0Google
Strengths
Owner Jose named in 5 of 5 reviews
Same-day fit-in cited: 'triage over the phone, and fit us in for…
Honesty praised: reviewer called Jose 'one of the most…
Concerns
Only 14 total Google reviews
Service Force Plumbing
4.9·130 reviews·
12 mi away — Serves your areaGoogle Verified
+4 more
Top pick4.9Google
Strengths
Tackles drain jobs other plumbers refused
Beats competing water-line repair estimates by more than $3K in…
Walks customers through weekend safety steps before booking
Preliminary listing — full review analysis coming soon
MoCo Plumbing, LLC
5·514 reviews·
6 mi awayGoogle Verified
+5 more
Top pick5.0Google
Strengths
Edgar and team cited by name across 4 of 5 reviews for explaining…
2 of 5 reviews mention next-day or same-day arrival, including a…
Pricing called reasonable in 2 of 5 reviews, with one customer…
Concerns
Not enough data to identify weaknesses
Ferris Plumbing & Repair
4.9·54 reviews·
In GaithersburgGoogle Verified
+3 more
Top pick4.9Google
Strengths
12 of 59 reviews cite fast response, including same-day sewer…
Multiple reviewers describe water-heater installs and full…
Reviewers repeatedly note techs arrive on time or early
Concerns
One reviewer paid more than expected for a kitchen faucet…
Thomas E Clark Inc
4.8·306 reviews·
12 mi away — Serves your areaGoogle Verified
+3 more
Top pick4.8Google
Strengths
Same-day and rapid response on urgent calls
Strong communication and transparent diagnostics
Handles complex regulatory work like the DCDOE Lead Pipe…
Concerns
Pricing runs high — one reviewer was quoted $320 to clear an HVAC…
Catons Plumbing, Drains & Water Cleanup
5·140 reviews·
5 mi awayGoogle Verified
+3 more
Top pick5.0Google
Strengths
Four distinct technicians named across 5 reviews (DJ x2, Derrick,…
After-hours emergency capability cited specifically: Moya came…
Same-day response cited for a large water leak
Concerns
Not enough data to identify weaknesses
BNH Home Services LLC
5·128 reviews·
6 mi awayGoogle Verified
+4 more
Top pick5.0Google
Strengths
Balmore named directly in 3 of 5 reviews
Pricing called reasonable in 4 of 5 reviews…
Burst-pipe cold-weather response cited: Balmore 'quickly assessed…
Concerns
Not enough data to identify weaknesses
O'Neill Bros. Plumbing
5·40 reviews·
7 mi awayGoogle Verified
+4 more
Top pick5.0Google
Strengths
All 5 reviewers praise speed and same-day or next-day service,…
3 of 5 reviews explicitly note fair or competitive pricing, with…
Crew provides clear explanation of options and avoids upselling;
Technicians are knowledgeable and answer customer questions…
Preliminary listing — full review analysis coming soon
Common Licensed Plumber Scenarios
BBB Accredited
BBB accreditation means the business has met standards for trust, advertising, and complaint resolution. It's a verified third-party credential.
Licensed and Insured
All plumbers on our site are licensed in their state. BBB accreditation adds an additional layer of accountability and complaint resolution.
Verified Track Record
BBB-accredited plumbers have a public complaint history and resolution record you can review before hiring.
Warranty Compliance
For warranty-sensitive work (repiping, water heater installation), a licensed and accredited plumber provides documentation that satisfies manufacturers and insurers.
Frequently Asked Questions
How do I verify a plumber's license in MD?
In MD, you can verify plumber licenses through the state licensing board website. All plumbers listed on our site are licensed. Plumbers below with the BBB badge have additional third-party accreditation and a public complaint record.
Why does BBB accreditation matter?
BBB accreditation means the plumber has agreed to resolve complaints, maintain honest advertising, and meet trust standards. It's not a guarantee of quality, but it adds accountability — the BBB tracks complaints and resolution rates publicly.
Are all plumbers in Gaithersburg licensed?
By law, plumbers performing work in Montgomery County must be licensed. However, some unlicensed handymen advertise plumbing services illegally. Hiring an unlicensed plumber voids insurance claims and can create permit issues when selling your home.
What's the difference between a journeyman and master plumber?
A journeyman plumber has completed an apprenticeship and passed the licensing exam. A master plumber has additional years of experience and can pull permits, supervise journeymen, and run a plumbing business. Both are qualified for residential work.
Other Services in Gaithersburg
Drain Cleaning Water Heater Repair Burst Pipe Repair Repiping Bathroom Remodel Plumbing Sewer Repair Sewer Line Replacement Toilet Repair Faucet Repair Garbage Disposal Repair Sump Pump Repair Gas Line Repair Slab Leak Repair Water Line Repair Kitchen Remodel Plumbing Hydro-Jetting 24-Hour Plumber Same-Day Plumber Affordable Plumber Plumber Cost Clogged Drain No Hot Water Water Leak Low Water Pressure Frozen Pipes Sewage Backup All Emergency Plumbers
Licensed Plumber in Nearby Cities
Need Licensed Plumber Right Now?
Call a top-rated licensed plumber pro in Gaithersburg.
Call Top-Rated Pro NowAre You a Plumber?
Get listed on Fast Plumber Near Me and connect with homeowners who need emergency plumbing help right now. Free basic listings available.