Compare the highest-rated plumbing professionals in Gaithersburg, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service plumbing company offering 24/7 emergency services. They are known for their punctuality, professional technicians, and expertise in everything from minor leaks to major sewer line replacements. They serve both residential and commercial clients in the Gaithersburg area.
A large, trusted regional provider offering comprehensive plumbing, electrical, and HVAC services. Their plumbing division is well-staffed for rapid emergency response and handles complex installations and repairs. They are a go-to for many homeowners and businesses in the DC Metro area, including Gaithersburg.
A local, family-owned and operated plumbing company known for personalized service and high-quality workmanship. They specialize in residential plumbing, from emergency repairs and clogged drains to full bathroom plumbing installations and kitchen sink services.
Gaithersburg's plumbing market is competitive and serves a mix of older homes, modern subdivisions, and commercial buildings. Common issues include dealing with hard water, which can reduce appliance lifespan, and repairing or replacing aging pipes and sewer lines in older parts of the city. The local climate, with its freeze-thaw cycles in winter, also leads to seasonal calls for frozen pipe prevention and repair. Most top-tier providers are 24/7 operations based in or near the city to ensure fast response times for emergencies.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Gaithersburg regulations and climate
Get answers to common questions about plumbing services in Gaithersburg, Maryland.
The most frequent issues are frozen and burst pipes during our cold Maryland winters and backed-up sewer lines due to the region's mature tree roots infiltrating older clay pipes. In summer, high humidity can accelerate corrosion and cause issues with water heater efficiency. Pre-winter pipe insulation and regular drain line inspections are highly recommended for local homes.
Always choose a plumber licensed by the Maryland Department of Labor, Licensing, and Regulation (DLLR) as a Master Plumber or Journeyman, which is a state requirement. Additionally, verify they carry both general liability and worker's compensation insurance. For extra assurance, check if they are a member of the Plumbing-Heating-Cooling Contractors Association (PHCC) of Metropolitan Washington, which serves our area.
Costs in Montgomery County, including Gaithersburg, are typically at or slightly above the national average due to higher business operating costs and skilled labor rates. For common repairs, expect a service call fee of $100-$150, with hourly labor rates of $90-$150. A typical water heater replacement can range from $1,200 to $2,500+, depending on the unit and complexity, while fixing a leak under a sink might cost $200-$400.
All plumbing work must comply with the Maryland Plumbing Code, which is based on the International Plumbing Code (IPC). In Gaithersburg, permits from the City's Department of Housing and Community Development are often required for significant work like re-piping, moving fixtures, or water heater replacement. Furthermore, Montgomery County's WSSC Water has strict rules on backflow prevention devices for irrigation systems and certain commercial fixtures.
The ideal times are early fall (before freezing temperatures) to winterize outdoor faucets and inspect your water heater, and early spring to check for any winter damage and clean gutters and downspouts to manage our heavy seasonal rains. Scheduling during these shoulder seasons often provides better availability and can prevent emergency calls during the peak winter freeze or summer storm seasons.