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South · 387 covered cities and towns

Plumbers in Maryland

We connect Maryland homeowners with independent, licensed plumbers in 387 cities and towns across 554 ZIP codes. Older rowhouses in Baltimore and older suburbs have cast iron drains, galvanized lines and lead service lines.

  • Regular winter freezes
  • Generally moderate water

Plumbing in Maryland: what's different

  • Older rowhouses in Baltimore and older suburbs have cast iron drains, galvanized lines and lead service lines.
  • Basements and heavy storms make sump pumps and backwater valves common.
Licensing
The Maryland State Board of Plumbing licenses plumbers and gas fitters; check a license through the Maryland Department of Labor.
Winters
Regular winter freezes.
Water hardness
Generally moderate. Check your utility's annual water quality report for your system.
Home heating
43% utility gas, 44% electric, 7% fuel oil, 4% propane (Census ACS).
When Maryland homes were built
Year builtShare of homes
Before 1940
11%
1940–1959
16%
1960–1979
25%
1980–1999
29%
2000 or later
20%

Share of housing units, Census ACS 2023 5-year estimates.

Maryland counties

County pages list every covered town and compare housing age across them.

Other Maryland cities and towns we cover

These 376 places are in our network but don't have their own page yet. Call or check your ZIP code to be connected with a plumber.

Allegany (8)Allegany plumbing page

Cumberland, Eckhart Mines, Flintstone, Frostburg, Lonaconing, Mount Savage, Oldtown, Westernport

Anne Arundel (28)Anne Arundel plumbing page

Annapolis, Annapolis Junction, Arnold, Churchton, Crofton, Crownsville, Davidsonville, Deale, Edgewater, Fort George G Meade, Friendship, Galesville, Gambrills, Glen Burnie, Hanover, Harmans, Jessup, Linthicum Heights, Mayo, Millersville, Odenton, Pasadena, Riva, Severn, Severna Park, Shady Side, Tracys Landing, West River

Baltimore (30)Baltimore plumbing page

Brooklandville, Brooklyn, Catonsville, Cockeysville, Curtis Bay, Dundalk, Essex, Fort Howard, Gwynn Oak, Halethorpe, Hunt Valley, Kingsville, Lutherville Timonium, Middle River, Nottingham, Owings Mills, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Riderwood, Rosedale, Sparrows Point, Stevenson, Towson, Upper Falls, White Marsh, Windsor Mill, Woodstock

Calvert (5)

Huntingtown, North Beach, Owings, Prince Frederick, Saint Leonard

Caroline (9)

Denton, Federalsburg, Goldsboro, Greensboro, Henderson, Hillsboro, Marydel, Preston, Ridgely

Carroll (9)Carroll plumbing page

Hampstead, Manchester, Marriottsville, Mount Airy, New Windsor, Sykesville, Taneytown, Union Bridge, Westminster

Cecil (9)Cecil plumbing page

Cecilton, Charlestown, Chesapeake City, Elkton, North East, Perry Point, Perryville, Port Deposit, Rising Sun

Charles (14)Charles plumbing page

Benedict, Bryans Road, Bryantown, Cobb Island, Hughesville, Indian Head, La Plata, Mount Victoria, Newburg, Pomfret, Port Tobacco, Rock Point, Waldorf, White Plains

Dorchester (11)

Cambridge, Church Creek, East New Market, Fishing Creek, Hurlock, Madison, Rhodesdale, Secretary, Taylors Island, Vienna, Woolford

Frederick (18)Frederick plumbing page

Adamstown, Braddock Heights, Brunswick, Buckeystown, Burkittsville, Emmitsburg, Ijamsville, Jefferson, Knoxville, Libertytown, Middletown, Monrovia, Myersville, New Market, Point Of Rocks, Thurmont, Walkersville, Woodsboro

Garrett (6)

Accident, Bloomington, Friendsville, Grantsville, Kitzmiller, Oakland

Harford (16)Harford plumbing page

Aberdeen, Aberdeen Proving Ground, Abingdon, Bel Air, Belcamp, Benson, Darlington, Edgewood, Fallston, Forest Hill, Gunpowder, Havre De Grace, Jarrettsville, Joppa, Perryman, Pylesville

Howard (9)Howard plumbing page

Clarksville, Elkridge, Ellicott City, Fulton, Highland, Lisbon, Savage, Simpsonville, Woodbine

Kent (9)

Betterton, Chestertown, Galena, Georgetown, Kennedyville, Millington, Rock Hall, Still Pond, Worton

Montgomery (25)Montgomery plumbing page

Ashton, Barnesville, Bethesda, Boyds, Brinklow, Brookeville, Burtonsville, Cabin John, Chevy Chase, Clarksburg, Damascus, Derwood, Garrett Park, Germantown, Glen Echo, Kensington, Montgomery Village, Olney, Poolesville, Potomac, Sandy Spring, Spencerville, Suburb Maryland Fac, Takoma Park, Washington Grove

Other areas (79)

Abell, Avenue, Baldwin, Beallsville, Bealsville, Bel Alton, Bethlehem, Bittinger, Boring, Bozman, Butler, Chaptico, Chase, Childs, Churchville, Claiborne, Colora, Conowingo, Cooksville, Crapo, Crocheron, Dameron, Dayton, Dickerson, Earleville, Elk Mills, Finksburg, Fork, Freeland, Gibson Island, Glen Arm, Glenelg, Glenwood, Glyndon, Harwood, Helen, Hollywood, Hydes, Ingleside, Issue, Keymar, Ladiesburg, Linkwood, Long Green, Lothian, Marbury, Marion Station, Maryland Line, Massey, McDaniel, Monkton, Nanjemoy, Neavitt, New Midway, Newcomb, Parkton, Patuxent River, Phoenix, Pinto, Port Republic, Price, Ridge, Rocky Ridge, Royal Oak, Saint Marys City, Showell, Sparks Glencoe, Street, Toddville, Tuscarora, Upperco, Warwick, Welcome, West Friendship, White Hall, Whiteford, Wingate, Wittman, Wye Mills

Prince George's (23)Prince George's plumbing page

Accokeek, Andrews Air Force Base, Aquasco, Beltsville, Bladensburg, Brandywine, Brentwood, Capitol Heights, Cheltenham, Clinton, College Park, District Heights, Fort Washington, Glenn Dale, Greenbelt, Lanham, Mount Rainier, Oxon Hill, Queen Anne, Riverdale, Southern Md Facility, Suitland, Temple Hills

Queen Anne's (9)

Barclay, Centreville, Chester, Church Hill, Crumpton, Grasonville, Queenstown, Stevensville, Sudlersville

Somerset (5)

Crisfield, Deal Island, Eden, Princess Anne, Westover

St. Mary's (7)St. Mary's plumbing page

California, Charlotte Hall, Compton, Great Mills, Leonardtown, Lexington Park, Mechanicsville

Talbot (7)

Cordova, Easton, Oxford, Saint Michaels, Sherwood, Tilghman, Trappe

Washington (17)Washington plumbing page

Big Pool, Boonsboro, Brownsville, Cascade, Cavetown, Chewsville, Clear Spring, Fairplay, Funkstown, Hancock, Keedysville, Maugansville, Rohrersville, Saint James, Sharpsburg, Smithsburg, Williamsport

Wicomico (14)Wicomico plumbing page

Allen, Bivalve, Delmar, Fruitland, Hebron, Mardela Springs, Nanticoke, Parsonsburg, Pittsville, Quantico, Salisbury, Sharptown, Tyaskin, Willards

Worcester (9)Worcester plumbing page

Berlin, Bishopville, Girdletree, Newark, Ocean City, Pocomoke City, Snow Hill, Stockton, Whaleyville

Maryland plumbing FAQ

How do I check a plumber's license in Maryland?

The Maryland State Board of Plumbing licenses plumbers and gas fitters; check a license through the Maryland Department of Labor.

Do pipes freeze in Maryland?

Yes, during cold snaps. Pipes in crawl spaces, exterior walls and unheated garages are the ones that freeze. Disconnect hoses in fall and open sink cabinets on the coldest nights.

Is Maryland water hard?

Generally moderate, based on national hardness mapping, but it varies by utility and by well. Your water provider's annual water quality report lists the hardness for your system, and a plumber can test well water.

How old are homes in Maryland?

Census estimates for Maryland put 27% of homes as built before 1960, 25% from 1960 to 1979, 29% from 1980 to 1999 and 20% in 2000 or later. Older homes are more likely to have galvanized supply pipe and cast iron or clay sewer lines.

Sources: coverage from our plumbing network (updated October 2026); housing and heating figures from US Census Bureau American Community Survey 2023 5-year estimates. All states

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