Collins & Sons service van on a residential street in Baltimore County, Maryland

132 communities · 7 counties

Plumbing Service Areas Across Maryland

We are based on Westowne Road in Catonsville and we work across 7 Maryland counties. Pick your town — each page covers the housing stock, the water and the plumbing problems specific to it.

Call +1 (207) 419-2600 Get Your Free Estimate

9 five-star reviews
40+ years experience
Licensed & insured · MHIC #117712

9
Five-star Google reviews
Verified, not bought
40+
Years of experience
Family owned and operated
24/7
Emergency service
A plumber answers, not a service
MHIC
Licensed #117712
Fully insured, permits pulled
Free
Hard water testing
On every service call

Choose your town

All 116 towns we serve, by county

These are not copy-and-paste pages. Each one is written from what we actually find in that town — the build eras, the water, the terrain and the calls we take most often there.

Baltimore County

24 service areas

Plumber in Catonsville, MD

Our home base. Forty years of working on Frederick Road bungalows, Westchester colonials and everything in between.

Baltimore County · Based here · 21228, 21229

Plumber in Arbutus, MD

Two miles from our shop. Post-war housing, tight basements and the drainage quirks that come with both.

Baltimore County · About 2 miles · 21227

Plumber in Halethorpe, MD

Three miles out. Mixed housing eras, a lot of older drainage, and homeowners who want a straight answer.

Baltimore County · About 3 miles · 21227

Plumber in Woodlawn, MD

Just north of us across the Beltway. Split-levels, ranchers and a lot of 1960s copper reaching the end of its run.

Baltimore County · About 3 miles · 21207, 21244

Plumber in Windsor Mill, MD

Newer townhome communities alongside older single-family streets — two very different plumbing conversations.

Baltimore County · About 4 miles · 21244

Plumber in Gwynn Oak, MD

Older streets, mature trees and clay sewer laterals — the classic root intrusion neighborhood.

Baltimore County · About 5 miles · 21207

Plumber in Randallstown, MD

Big 1960s–80s suburban stock with plenty of bathrooms — and supply systems that were sized for fewer of them.

Baltimore County · About 8 miles · 21133

Plumber in Pikesville, MD

Established homes, thoughtful renovations, and homeowners who care how the work is done as much as what it costs.

Baltimore County · About 7 miles · 21208

Plumber in Owings Mills, MD

Newer construction with modern materials — and the specific failure modes that come with fast-built subdivisions.

Baltimore County · About 10 miles · 21117

Plumber in Towson, MD

Grand older homes, dense student rentals and everything between — three different plumbing realities in one zip code.

Baltimore County · About 9 miles · 21204, 21286

Plumber in Oella, MD

Historic mill village homes on a steep hillside above the Patapsco. Plumbing here needs patience and the right hands.

Baltimore County · About 4 miles · 21043

Plumber in Lutherville-Timonium, MD

Victorian-era Lutherville alongside post-war Timonium — two very different plumbing conversations sharing one zip code.

Baltimore County · About 12 miles · 21093

Plumber in Cockeysville, MD

Suburban development against a rural northern edge, with some properties on private wells rather than public supply.

Baltimore County · About 15 miles · 21030

Plumber in Hunt Valley, MD

Corporate campuses and newer residential development side by side — modern systems with modern failure patterns.

Baltimore County · About 17 miles · 21030, 21031

Plumber in Reisterstown, MD

A genuine eighteenth-century Main Street wrapped in decades of suburban growth along Reisterstown Road.

Baltimore County · About 13 miles · 21136

Plumber in Parkville, MD

Dense post-war housing on small lots — rowhomes, duplexes and ranchers with drainage of the same vintage.

Baltimore County · About 14 miles · 21234

Plumber in Perry Hall, MD

Larger suburban homes with plenty of bathrooms — and supply systems that were sized for fewer of them.

Baltimore County · About 18 miles · 21128, 21236

Plumber in White Marsh, MD

Heavily townhome and planned-community development from the 1980s onward — closet mechanicals and shared stacks.

Baltimore County · About 19 miles · 21236, 21162

Plumber in Nottingham, MD

Established suburban streets between Parkville and White Marsh, with housing spanning three decades.

Baltimore County · About 17 miles · 21236

Plumber in Rosedale, MD

Compact post-war housing east of the city with drainage of the same vintage — steady drain and sewer work.

Baltimore County · About 16 miles · 21237

Plumber in Dundalk, MD

Historic planned housing from the shipyard era — galvanized supply, cast iron drainage and low ground near the water.

Baltimore County · About 16 miles · 21222, 21224

Plumber in Essex, MD

Waterfront and near-water properties on low ground, where salt air and high water tables both matter.

Baltimore County · About 18 miles · 21221

Plumber in Middle River, MD

Wartime worker housing and waterfront property side by side, both on ground that holds water.

Baltimore County · About 20 miles · 21220

Plumber in Kingsville, MD

Rural northeastern Baltimore County, where a great many properties run on private wells and septic systems.

Baltimore County · About 22 miles · 21087

Howard County

20 service areas

Plumber in Ellicott City, MD

Historic Main Street granite and modern west-side subdivisions. We work in both and quote them very differently.

Howard County · About 4 miles · 21042, 21043

Plumber in Columbia, MD

Planned-community housing from the late 60s onward — now old enough that original systems are all reaching the same milestone at once.

Howard County · About 6 miles · 21044, 21045

Plumber in Elkridge, MD

Patapsco Valley terrain, old village core and new development — with basement water as the recurring theme.

Howard County · About 8 miles · 21075

Plumber in Clarksville, MD

Larger properties along the Route 32 corridor, several on well water — a different treatment conversation entirely.

Howard County · About 12 miles · 21029

Plumber in Jessup, MD

Residential streets alongside a heavy commercial corridor. We work both sides of the tracks here.

Howard County · About 12 miles · 20794

Plumber in Savage, MD

A historic mill town core with modern development around it — and a river valley that shapes everything below grade.

Howard County · About 13 miles · 20763

Plumber in Fulton, MD

Newer planned neighborhoods like Maple Lawn alongside older rural parcels — modern systems and well water in the same zip code.

Howard County · About 15 miles · 20759

Plumber in Ilchester, MD

Steep Patapsco Valley terrain just across the river from us — six miles and a very different set of drainage problems.

Howard County · About 6 miles · 21043, 21075

Plumber in River Hill, MD

The newest and largest of the Columbia villages, with higher-specification systems that reward proper maintenance.

Howard County · About 12 miles · 21029, 21044

Plumber in Maple Lawn, MD

A modern planned community where the piping is fine and the components are what age out first.

Howard County · About 15 miles · 20759

Plumber in Scaggsville, MD

A residential corridor along Route 29 with a wide spread of build years and a mix of public and well supply.

Howard County · About 16 miles · 20723, 20759

Plumber in North Laurel, MD

Dense townhome and apartment development on the Howard County side of the Laurel line.

Howard County · About 17 miles · 20723

Plumber in Highland, MD

Rural-suburban western Howard County, where wells and septic systems are the norm rather than the exception.

Howard County · About 17 miles · 20777

Plumber in Dayton, MD

Open, rural western Howard County. Long service runs, private wells and properties where nothing is standard.

Howard County · About 16 miles · 21036

Plumber in Glenelg, MD

Large homes on acreage in western Howard County, most of them on private wells with their own water chemistry.

Howard County · About 15 miles · 21737

Plumber in Glenwood, MD

Rural western Howard County near the Route 32 corridor, on well and septic with colder winters than the city side.

Howard County · About 17 miles · 21738

Plumber in West Friendship, MD

Farm country around the fairgrounds, where barns and outbuildings need plumbing as much as the house does.

Howard County · About 13 miles · 21794

Plumber in Cooksville, MD

A small rural community near I-70 with older farmhouses alongside newer homes on acreage.

Howard County · About 18 miles · 21723

Plumber in Lisbon, MD

The far western edge of Howard County — old turnpike village housing and the coldest winters in the county.

Howard County · About 20 miles · 21765

Plumber in Woodbine, MD

Straddling the Howard–Carroll line on high rural ground, with wells, septic and long service runs throughout.

Howard County · About 20 miles · 21797

Anne Arundel County

13 service areas

Plumber in Ferndale, MD

Compact post-war housing between Linthicum and Glen Burnie, close enough for same-day work.

Anne Arundel County · About 11 miles · 21061

Plumber in Pasadena, MD

Peninsula communities between the Patapsco and the Magothy, where salt air and well water both come into it.

Anne Arundel County · About 22 miles · 21122

Plumber in Millersville, MD

Central Anne Arundel with larger lots, a mix of well and public supply, and housing across several decades.

Anne Arundel County · About 20 miles · 21108

Plumber in Crownsville, MD

Wooded lots on the approach to Annapolis, most of them on private wells and septic.

Anne Arundel County · About 24 miles · 21032

Plumber in Arnold, MD

Severn River waterfront and comfortable suburban streets just north of Annapolis.

Anne Arundel County · About 27 miles · 21012

Plumber in Edgewater, MD

South of Annapolis across the South River — waterfront communities, wells and a long list of coastal considerations.

Anne Arundel County · About 30 miles · 21037

Plumber in Gambrills, MD

Between Crofton and Odenton, mixing older rural parcels with newer subdivision development.

Anne Arundel County · About 22 miles · 21054

Plumber in Crofton, MD

A planned community from the 1960s onward, now old enough that whole streets hit the same milestones together.

Anne Arundel County · About 24 miles · 21114

Plumber in Glen Burnie, MD

A large, established community with post-war housing and plenty of cast iron drainage reaching the end of its run.

Anne Arundel County · About 14 miles · 21060, 21061

Plumber in Linthicum, MD

Established neighborhoods near BWI with well-maintained mid-century homes and long-term owners.

Anne Arundel County · About 8 miles · 21090

Plumber in Severn, MD

Rapid growth near Fort Meade means a housing mix spanning five decades in the same few square miles.

Anne Arundel County · About 18 miles · 21144

Plumber in Odenton, MD

Fast-growing communities around the MARC station and Fort Meade, heavy on townhomes and newer construction.

Anne Arundel County · About 20 miles · 21113

Plumber in Annapolis, MD

Colonial-era downtown housing and waterfront properties — old plumbing plus a corrosive environment.

Anne Arundel County · About 28 miles · 21401, 21403

Carroll County

10 service areas

Plumber in Finksburg, MD

Right on the Carroll–Baltimore County line, with rural properties on wells and colder winters than the city side.

Carroll County · About 20 miles · 21048

Plumber in Hampstead, MD

Northern Carroll County on high ground, where winters are the coldest in our service area.

Carroll County · About 27 miles · 21074

Plumber in Manchester, MD

A small rural community close to the Pennsylvania line, on wells and septic with genuinely hard winters.

Carroll County · About 30 miles · 21102

Plumber in New Windsor, MD

A small historic town with nineteenth-century buildings and farmland around it, on wells throughout.

Carroll County · About 30 miles · 21776

Plumber in Union Bridge, MD

A historic railroad town in western Carroll County, with old town housing and farms around it.

Carroll County · About 34 miles · 21791

Plumber in Taneytown, MD

One of Maryland's older towns, near the Pennsylvania line, with farm country all around it.

Carroll County · About 38 miles · 21787

Plumber in Westminster, MD

Carroll County seat with a genuinely old downtown, surrounded by farmland and well-water properties.

Carroll County · About 25 miles · 21157, 21158

Plumber in Sykesville, MD

A small historic downtown above the Patapsco with newer neighborhoods spreading out from it.

Carroll County · About 18 miles · 21784

Plumber in Eldersburg, MD

Carroll County's largest community — suburban housing from the 1970s onward with plenty of bathrooms per house.

Carroll County · About 17 miles · 21784

Plumber in Mount Airy, MD

Sitting on the Carroll–Frederick line at elevation, which means colder winters and more freeze work than anywhere else we serve.

Carroll County · About 27 miles · 21771

Frederick County

12 service areas

Plumber in Frederick, MD

A large historic downtown of rowhomes and townhouses, ringed by decades of newer development.

Frederick County · About 40 miles · 21701, 21702

Plumber in Urbana, MD

One of the fastest-growing communities in Frederick County — newer homes with modern systems and their own failure patterns.

Frederick County · About 42 miles · 21704

Plumber in New Market, MD

A preserved eighteenth-century Main Street with modern subdivision spreading out behind it.

Frederick County · About 32 miles · 21774

Plumber in Walkersville, MD

North of Frederick city, mixing a small town core with newer residential growth and surrounding farmland.

Frederick County · About 45 miles · 21793

Plumber in Middletown, MD

A valley town between the mountains west of Frederick, with historic housing and farmland around it.

Frederick County · About 48 miles · 21769

Plumber in Jefferson, MD

A small rural community between Frederick and the Potomac, on wells and septic throughout.

Frederick County · About 50 miles · 21755

Plumber in Brunswick, MD

A historic railroad town on the Potomac, with dense early-twentieth-century worker housing.

Frederick County · About 55 miles · 21716

Plumber in Point of Rocks, MD

A small Potomac riverside community where flood exposure is a genuine design consideration.

Frederick County · About 52 miles · 21777

Plumber in Adamstown, MD

Rural southern Frederick County near the Potomac, with wells, septic and long service runs.

Frederick County · About 48 miles · 21710

Plumber in Buckeystown, MD

A historic village on the Monocacy south of Frederick, with genuinely old buildings and farmland around it.

Frederick County · About 45 miles · 21717

Plumber in Thurmont, MD

At the foot of Catoctin Mountain in northern Frederick County — the coldest and furthest corner we serve.

Frederick County · About 55 miles · 21788

Plumber in Emmitsburg, MD

The furthest point we serve — a historic town at the Pennsylvania line, sixty miles from our shop.

Frederick County · About 60 miles · 21727

Montgomery County

17 service areas

Plumber in Silver Spring, MD

Dense, varied and largely pre-1960 in the inner neighborhoods — the housing type we know best.

Montgomery County · About 30 miles · 20901, 20902

Plumber in Rockville, MD

Mid-century neighborhoods with a strong renovation culture — a lot of remodel plumbing and system upgrades.

Montgomery County · About 38 miles · 20850, 20851

Plumber in Bethesda, MD

Older established homes and high-specification renovations, where the quality of the rough-in matters most.

Montgomery County · About 38 miles · 20814, 20816

Plumber in Gaithersburg, MD

An older town core wrapped in decades of suburban growth, from 1970s colonials to recent townhome communities.

Montgomery County · About 45 miles · 20877, 20878

Plumber in Germantown, MD

Predominantly 1980s-onward development — modern systems now reaching their first serious round of component failures.

Montgomery County · About 48 miles · 20874, 20876

Plumber in Burtonsville, MD

On the Howard County line, closer to us than most of Montgomery and mixing several build eras.

Montgomery County · About 25 miles · 20866

Plumber in Wheaton, MD

Dense, diverse and largely mid-century — with the aging copper and cast iron that goes with the era.

Montgomery County · About 32 miles · 20902, 20906

Plumber in Kensington, MD

A Victorian railroad suburb with a designated historic district — genuinely old houses on small lots.

Montgomery County · About 34 miles · 20895

Plumber in Chevy Chase, MD

Established pre-war homes and high-specification renovations, where the quality of the rough-in matters most.

Montgomery County · About 37 miles · 20815

Plumber in Takoma Park, MD

Victorian and bungalow housing under a heavy tree canopy — old pipe, old trees, and both need watching.

Montgomery County · About 33 miles · 20912

Plumber in Potomac, MD

Large homes on substantial lots, where whole-system thinking beats fixing one symptom at a time.

Montgomery County · About 42 miles · 20854

Plumber in Olney, MD

Central Montgomery County suburbia with rural edges, and a mix of public and well supply.

Montgomery County · About 30 miles · 20832

Plumber in Sandy Spring, MD

A historic Quaker settlement with genuinely old buildings and rural properties on wells around them.

Montgomery County · About 28 miles · 20860

Plumber in Brookeville, MD

A tiny historic town north of Olney, with old buildings and rural properties around it.

Montgomery County · About 31 miles · 20833

Plumber in Damascus, MD

Rural northern Montgomery County on high ground, with wells, septic and hard winters.

Montgomery County · About 33 miles · 20872

Plumber in Clarksburg, MD

One of the fastest-growing communities in Montgomery County — new construction with component-level failures.

Montgomery County · About 40 miles · 20871

Plumber in Poolesville, MD

Deep in the agricultural reserve near the Potomac — farms, wells and the longest drive in Montgomery County.

Montgomery County · About 50 miles · 20837

Prince George's County

20 service areas

Plumber in Laurel, MD

A historic mill town straddling three counties, with housing from the nineteenth century to last year.

Prince George's County · About 20 miles · 20707, 20708

Plumber in Beltsville, MD

Post-war housing along the Route 1 corridor with drainage and supply of the same vintage.

Prince George's County · About 25 miles · 20705

Plumber in College Park, MD

University-adjacent streets with heavy rental turnover and fixtures under far more use than they were designed for.

Prince George's County · About 28 miles · 20740, 20742

Plumber in Greenbelt, MD

A 1930s planned community with unusual original housing, plus decades of later development around it.

Prince George's County · About 28 miles · 20770

Plumber in Hyattsville, MD

Victorian and craftsman housing in a walkable historic core, with genuinely old plumbing behind the finishes.

Prince George's County · About 30 miles · 20781, 20782

Plumber in Riverdale, MD

Early twentieth-century streetcar-suburb housing near the Anacostia branch, with the aging systems to match.

Prince George's County · About 30 miles · 20737

Plumber in New Carrollton, MD

Post-war suburban housing around the transit hub, consistent enough that the work is predictable.

Prince George's County · About 31 miles · 20784

Plumber in Lanham, MD

Central Prince George's suburbia spanning several build eras, from post-war to recent.

Prince George's County · About 31 miles · 20706

Plumber in Glenn Dale, MD

Larger homes on bigger lots between Lanham and Bowie, with the supply demands that go with them.

Prince George's County · About 32 miles · 20769

Plumber in Landover, MD

Mixed residential and commercial with a significant multi-unit population and shared-system diagnostics.

Prince George's County · About 32 miles · 20785

Plumber in Bowie, MD

One of Maryland's largest cities, built in waves — and each wave hits its plumbing milestones together.

Prince George's County · About 33 miles · 20715, 20716

Plumber in Mitchellville, MD

Larger, newer homes on generous lots, where whole-system thinking beats fixing symptoms one at a time.

Prince George's County · About 34 miles · 20721

Plumber in Upper Marlboro, MD

The county seat — a small historic town core with substantial rural acreage spreading out around it.

Prince George's County · About 36 miles · 20772, 20774

Plumber in Capitol Heights, MD

Compact early and mid-century housing near the DC line, with supply and drainage of the same vintage.

Prince George's County · About 35 miles · 20743

Plumber in Suitland, MD

Post-war housing and significant multi-unit development around the federal campus.

Prince George's County · About 36 miles · 20746

Plumber in Temple Hills, MD

Established post-war streets on rolling ground, with condominium and townhome sections alongside.

Prince George's County · About 38 miles · 20748

Plumber in Camp Springs, MD

Post-war and later housing around Joint Base Andrews, with higher turnover than most PG communities.

Prince George's County · About 39 miles · 20746, 20748

Plumber in Clinton, MD

Southern Prince George's suburbia with rural edges and a mix of public and well supply.

Prince George's County · About 42 miles · 20735

Plumber in Fort Washington, MD

Potomac riverside communities on steep ground, where slope and flood exposure both matter.

Prince George's County · About 45 miles · 20744

Plumber in Oxon Hill, MD

Post-war housing and newer waterfront development near National Harbor, on ground that slopes toward the river.

Prince George's County · About 42 miles · 20745

Hyper-local

16 Catonsville neighborhoods

Catonsville is not one housing stock, it is several. These pages cover the build eras, terrain and water problems specific to each pocket of our own town.

Our home base

209 Westowne Rd, Catonsville, MD 21229

Response times are fastest in 21228 and 21229 and radiate outward from there. If you are near the edge of our map, call and we will tell you honestly what our drive time looks like rather than letting you wait and hope.

Baltimore County, MD
Howard County, MD
Anne Arundel County, MD
Carroll County, MD
Frederick County, MD
Montgomery County, MD
Prince George's County, MD

Collins & Sons LLC209 Westowne Rd, Catonsville, MD 21229Get Directions

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Call +1 (207) 419-2600 Get Your Free Estimate

9 five-star Google reviews
40+ years, family owned
Licensed & insured · MHIC #117712