Who issues plumbing permits in Rockville, MD?

Residential permits are handled by the City of Rockville Inspection Services (inside city limits) or Montgomery County DPS (outside the city). Your contractor should confirm whether your job needs one and pull it.

Free Plumbing quotes in Rockville, MD

For homeowners in Twinbrook, King Farm and across Rockville. Tell us about your project in about a minute and up to 3 independent local plumbing companies serving 20850, 20851, 20852 and 20853 may contact you.

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Active leak? If you can, shut off the main water valve. If water is near outlets or electrical panels, stay out of the area.

How this works: Bluehaven Strategic is a free matching service, not a contractor. We don't perform any work ourselves. We pass your request to up to three independent local companies who may contact you with quotes. You're never obligated to hire anyone. Please verify any provider's licensing and insurance before hiring.

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Plumbing in Rockville, MD: what local homeowners should know

Rockville has 1950s–1960s Twinbrook ramblers and split-levels, 1970s colonials and 2000s-era planned communities like King Farm and Fallsgrove. Older homes in Rockville may still have galvanized supply lines, cast-iron drains or clay sewer laterals that can be scoped with a camera before deciding on repairs. Tree roots in sewer lines are a common cause of backups here.

Before you hire in Rockville

License: Maryland plumbers and gas fitters are licensed by the State Board of Plumbing (Maryland Department of Labor); ask for the master plumber license number.
Permits: residential permits for Rockville addresses are issued by the City of Rockville Inspection Services (inside city limits) or Montgomery County DPS (outside the city). Ask each company whether your job needs one and who pulls it.
Local rules: King Farm, Fallsgrove and many townhome communities have HOA design rules.
Compare in writing: get at least two written quotes for the same scope, with warranty terms, cleanup and payment schedule spelled out.

Common questions

Does a water heater replacement need a permit? In most local jurisdictions yes, especially for gas units. A licensed plumber should pull it.

Which areas do you cover? Rockville and surrounding neighborhoods including Twinbrook, King Farm, Fallsgrove, West End, Woodley Gardens, College Gardens, Aspen Hill and North Bethesda (ZIPs 20850, 20851, 20852 and 20853), plus the rest of Montgomery County.

Plumbing nearby: Baltimore, MD · Towson, MD · Columbia, MD · Ellicott City, MD · Annapolis, MD · Bel Air, MD · All areas
Other services in Rockville: Roofing · Water Damage Restoration · Tree Removal · Pest Control · HVAC Repair & Replacement · Basement Waterproofing & Foundation Repair · Chimney Repair & Sweeping · Garage Door Repair