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Licensed Well and Septic Contractors Based in Baltimore County, MD

115 licensed well and septic pros based in Baltimore County. Every license number below is sourced from official Maryland records, with a link to verify it yourself.

Grouped by the county of the address on each business's state license record, which can be a mailing address; it doesn't tell you where the business works. Where the record doesn't name the county of the address, its ZIP code decides (a ZIP that crosses a county line goes to the county holding most of its homes), then its town.

Need well or septic work quotes in Baltimore County? Request free quotes and we'll route your request to local well and septic pros.

Septic Contractors based in Baltimore County (113)

Braulio RomeroLicensed

Based in Baltimore, MD · License #02042

Wayne D. RochkindLicensed

Based in White Marsh, MD · License #02562

William G. MalkinLicensed

Portable Restroom Solutions, LLC · Based in Middle River, MD · License #00681

Daniel E. NazarioLicensed

Based in Baltimore, MD · License #00538

Edward L. LinsenmeyerLicensed

Edward L Linsenmeyer P2H · Based in Randallstown, MD · License #00533

Frank M. TaciakLicensed

C.A. Taciak & Sons · Based in Towson, MD · License #00274

Matthew J. GeckleLicensed

Back River Pre-Cast, LLC · Based in Glydon, MD · License #00148

Mike SteeleLicensed

Atlantic Mechanical, LLC · Based in Baltimore, MD · License #02250

Darien JacksonLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01348

Harrison FergusonLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01347

Carlos MartinezLicensed

Based in Baltimore, MD · License #02040

Tyler A. ArmstrongLicensed

Briarwood Home Inspections, LLC · Based in Catonsville, MD · License #01149

Seth K. EnsorLicensed

Ensor Plumbing · Based in Owings Mills, MD · License #01293

Mark TestermanLicensed

Cross Timbers Utility Inc · Based in Monkton, MD · License #00434

Mahindra (Wayne) W. GayadeenLicensed

Based in Freeland, MD · License #02569

Richard C. JohnsonLicensed

Based in Baltimore, MD · License #01626

Larry FooteLicensed

Based in Baltimore, MD · License #02026

Gary CooperLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01344

Abraham G. RiosLicensed

Based in Baltimore, MD · License #02043

Christopher W. MilanLicensed

Suburban Contracting Co., Inc. · Based in Kingsville, MD · License #00085

Christian D. Arrue CisnerosLicensed

Based in Baltimore, MD · License #01525

Mitchell R. CarrickLicensed

Perfect Plumbing Services LLC · Based in White Marsh, MD · License #02209

Patrick C. Richardson, JrLicensed

Richardson Engineering LLC · Based in Timonium, MD · License #01404

Reid (Drew) A. HendersonLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #00013

Tyler WertzLicensed

Blevins Septic Service · Based in Freeland, MD · License #00238

Brian RobinsonLicensed

Madison Mechanical Contracting LLC · Based in Catonsville, MD · License #01245

Kenneth J. WellsLicensed

KJ Wells Inc. · Based in Kingsville, MD · License #01949

Salvatore C. CrupiLicensed

Matis Warfield Inc · Based in Sparks, MD · License #01300

Juan LopezLicensed

Based in Baltimore, MD · License #02024

William (Andy) A. Lipinski IILicensed

Lee Foundation Co., Inc. · Based in Middle River, MD · License #00758

Richard A. ShaneybrookLicensed

Harry O. Shaneybrook, Inc. · Based in Reisterstown, MD · License #01697

Brian K. CollinsLicensed

KCI Technologies, Inc. · Based in Sparks, MD · License #01421

Thomas A. Cossentino, Jr.Licensed

Tom Cossentino, Jr. Septic · Based in Upperco, MD · License #01566

Blaine LinkousLicensed

Kimley-Horn & Associates, LLC · Based in Towson, MD · License #01967

Grant R. FradyLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #02512

Lloyd WigginsLicensed

Based in Baltimore, MD · License #02027

Gregory J. Billing SrLicensed

GT Septic services llc · Based in Baltimore, MD · License #00042

Bruce E. DoakLicensed

Bruce E. Doak Consulting, LLC · Based in Freeland, MD · License #01434

Lawrence E. MockLicensed

His Way Plumbing · Based in Cockeysville, MD · License #02323

Jose N. PovedaLicensed

Based in Baltimore, MD · License #02036

Ronald EllaLicensed

Based in Baltimore, MD · License #02038

John J. Stallings IIILicensed

Absolute Plumbing LLC · Based in Timonium, MD · License #02233

Miguel A. AlfaroLicensed

Based in Baltimore, MD · License #02046

Wade R. BlevinsLicensed

Blevins Septic Service · Based in Freeland, MD · License #00044

Arvell ColeLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01343

Keith PerryLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01351

Michael F. HumerLicensed

Green Rock Services, LLC · Based in Middle River, MD · License #02247

Kevin R. BielatLicensed

7 Enterprises, LLC · Based in Towson, MD · License #02489

Jonathan J. BlevinsLicensed

Home Land Environmental, LLC · Based in Middle River, MD · License #01534

Brian R. DietzLicensed

Dietz Surveying, Inc · Based in Baltimore, MD · License #01448

Nicholas RiehlLicensed

Home Land Environmental · Based in Towson, MD · License #00780

Brian M. Bates, Jr.Licensed

Based in Baltimore, MD · License #02041

Dwayne M. HarrisLicensed

Harris Septic System · Based in Monkton, MD · License #00046

Charles A. SegermanLicensed

Colbert Matz Rosenfelt LLC · Based in Owings Mills, MD · License #01461

Christopher M. AyresLicensed

C.M. Ayres enterprises LLC · Based in Parkton, MD · License #00290

George H. NitzelLicensed

G H Nitzel, Inc. · Based in White Marsh, MD · License #01659

Anthony W. AndersonLicensed

Marino Plumbing & Heating #8539 · Based in Rosedale, MD · License #01360

Nicholas A. BobesLicensed

Temp Air Company · Based in Owings Mills, MD · License #01803

Jason MooneyLicensed

Based in White Marsh, MD · License #02074

Kristy M. BischoffLicensed

Daft, McCune, Walker Inc · Based in Towson, MD · License #00637

Kenneth JenkinsLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01349

Justin R. OttensmeyerLicensed

JRO Associates, LLC · Based in Middle River, MD · License #01941

James (Rob) R. PowellLicensed

Based in Catonsville, MD · License #00033

Michael K. MaholchicLicensed

Facility Engineering · Based in Reisterstown, MD · License #00218

Travis W. BlevinsLicensed

Blevins Septic Service · Based in Freeland, MD · License #00043

Harry (Michael) M. SampleLicensed

Sample Excavating Co., Inc · Based in Glen Arm, MD · License #00999

Eric R. McWilliamsLicensed

Bohler Engineering VA, LLC · Based in Towson, MD · License #01327

Christopher T. EbyLicensed

Valley Road Enterprises LLC · Based in Catonsville, MD · License #01071

Jason A. JamisonLicensed

Home Land Environmental LLC · Based in Towson, MD · License #00023

Todd A. SpriggLicensed

Based in White Marsh, MD · License #02294

Stephen A. WarfieldLicensed

Matis Warfield Inc · Based in Sparks, MD · License #01302

Connor P. SandiferLicensed

Based in Baltimore, MD · License #02044

William J. HouseLicensed

W.J House P&H · Based in Kingsville, MD · License #00261

Steven A. KelleyLicensed

Based in Baltimore, MD · License #00475

Carl H. StillwellLicensed

Stilwell Plumbing Inc · Based in Baltimore, MD · License #01853

Frederick C. Ruff, IVLicensed

Drain Chief LLC · Based in Forest Hill, MD · License #00847

Kenneth (Scott) S. HickmanLicensed

S & M Unlimited, Inc. · Based in Still Pond, MD · License #00610

Eric K. GarrettLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #01595

Richard C. BurtonLicensed

R Burton Enterprises · Based in Freeland, MD · License #00511

Robert E. Appleby, IIILicensed

Based in White Marsh, MD · License #02293

Ronald SampleLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01353

Tyler R. FrankLicensed

Manor Excavating Inc · Based in Phoenix, MD · License #02335

David P. VincentLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #00039

Justin M. SappLicensed

Certified Property Inspection, LLC · Based in Perry Hall, MD · License #01684

Thomas A. EarpLicensed

Earp Inc. · Based in Timonium, MD · License #00207

Kevin M. OasterLicensed

J.W Environmental, LLC · Based in Phoenix, MD · License #01331

Johnnie Wade Sr.Licensed

Johnnie's Heating Air Conditioning · Based in Gwynn Oak, MD · License #02071

Travis M. ErbLicensed

Based in Baltimore, MD · License #02037

Gregory ChapmanLicensed

Certified Property Inspection, LLC · Based in 7Perry Hall, MD · License #01555

Matthew SichelLicensed

KCI Technologies, Inc. · Based in Sparks, MD · License #01422

Stephanie BlevinsLicensed

Blevins Septic Service · Based in Freeland, MD · License #00191

Aaron M. DorseyLicensed

Based in Baltimore, MD · License #01824

John W. CossentinoLicensed

Cossentino Septic LLC · Based in Upperco, MD · License #00252

Michael P. McKennyLicensed

Based in Glen Arm, MD · License #00624

Kyle GrafLicensed

Blevins Septic Service · Based in Freeland, MD · License #00213

Jay T. YoungLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #00021

Samuel C. HuntLicensed

Briarwood Home Inspections, LLC · Based in Catonsville, MD · License #02274

Joseph P. LinsenmeyerLicensed

Linsenmeyer Excavation · Based in Randallstown, MD · License #00281

Richard L. Fishpaugh, JrLicensed

Based in White Marsh, MD · License #02292

Gregory (Ben) AndrewsLicensed

G.A. Mechanical Inc. · Based in Kingsville, MD · License #01341

Ruddy R. SedaLicensed

Based in Baltimore, MD · License #02039

Oscar C. GomezLicensed

Based in Baltimore, MD · License #02035

Thomas G. Harris, Sr.Licensed

Harris Septic System · Based in Monkton, MD · License #00047

Cole J. RaffertyLicensed

Home Land Environmental, LLC · Based in Towson, MD · License #02511

Timothy M. Kuhn, SrLicensed

Based in Kingsville, MD · License #02373

Glenroy DoreLicensed

Liquid Environmental Solutions · Based in Rosedale, MD · License #01346

Joseph C. PassapaeLicensed

Based in Rosedale, MD · License #01759

Mitchel RuhkampLicensed

Home Land Environmental · Based in Towson, MD · License #01679

Robert (Troy) T. SlevinLicensed

Century Engineering, Inc. · Based in Hunt Valley, MD · License #01399

Frank F. WhiteLicensed

KCI Technologies, Inc. · Based in Sparks, MD · License #01423

Dennis S. LagunaLicensed

Based in Baltimore, MD · License #02045

Shawn YoltonLicensed

Certified Property Inspection, LLC · Based in 7Perry Hall, MD · License #01742

Megan R. FrankLicensed

Manor General LLC · Based in Monkton, MD · License #02334

Water Well Contractors based in Baltimore County (2)

Columbia Technolgies, LLCLicensed

Based in Baltimore, MD · License #COLU

Summit Site ServicesLicensed

Based in Baltimore, MD · License #SUSS

Cities in Baltimore County

7Perry Hall 2Baltimore 26Catonsville 5Cockeysville 1Forest Hill 1Freeland 8Glen Arm 2Glydon 1Gwynn Oak 1Hunt Valley 1Kingsville 5Middle River 5Monkton 4Owings Mills 3Parkton 1Perry Hall 1Phoenix 2Randallstown 2Reisterstown 2Rosedale 10Sparks 5Still Pond 1Timonium 3Towson 14Upperco 2White Marsh 7

Hiring a well and septic professional in Baltimore County

GroundRoster aggregates official state licensing rosters for water-well and septic (onsite wastewater) professionals into one searchable directory, refreshed regularly.

Before you sign anything: confirm the license number on this page is still active with Maryland, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

Neighboring counties

Anne Arundel County 189Baltimore City 22Carroll County 173Harford County 125Howard County 47Kent County 30York County, PA 98