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Licensed Well and Septic Contractors Based in Frederick County, MD

92 licensed well and septic pros based in Frederick 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 Frederick County? Request free quotes and we'll route your request to local well and septic pros.

Septic Contractors based in Frederick County (91)

Hector A. RiveraLicensed

R&E Chief Septic LLC · Based in Mt Airy, MD · License #01513

Gerald L. MillerLicensed

Terra Solutions Engineering LLC · Based in Frederick, MD · License #00688

Carroll R. KlineLicensed

CR Kline Excavating · Based in Keymar, MD · License #00757

Robert L. HalleyLicensed

Classic Plumbing & Heating, Inc. · Based in Frederick, MD · License #01609

Tracy L. LeachLicensed

Maryland Land Services LLC · Based in Mt. Airy, MD · License #00112

James E. ClickLicensed

Town of Emmitsburg · Based in Emmitsburg, MD · License #01558

Adam B. BrowningLicensed

Penn's Trail Environmental, LLC · Based in Mount Airy, MD · License #00100

Jeffery W. OwensLicensed

Old Line Septic · Based in Frederick, MD · License #02070

Cody S. LillyLicensed

Limitless Contracting LLC · Based in Thurmont, MD · License #00942

Victoria L. FormanLicensed

WRF & Sons Plumbing & Heating Inc · Based in Mt. Airy, MD · License #00468

Terry A. HollerLicensed

Holler Contracting LLC · Based in Mt. Airy, MD · License #00989

Ronald (Bruce) B. Anderson, JrLicensed

Anderson Backhoe Service, Inc · Based in Monrovia, MD · License #00127

Thomas E. Crummitt, Jr.Licensed

T.E. Crummitt, Jr. Septic · Based in Thurmont, MD · License #00649

James V. MonroeLicensed

J.V.M. Plumbing LLC · Based in Frederick, MD · License #01959

Stephen E. FisselLicensed

Town of Emmitsburg · Based in Emmitsburg, MD · License #00823

Edgard J. UzcateguiLicensed

R&E Chief Septic LLC · Based in MT Airy, MD · License #00058

Jonathan K. SchriverLicensed

F&A Excavating LLC · Based in Frederick, MD · License #02333

Dale BidleLicensed

Biddles' Excavating & Hauling Inc. · Based in Myersville, MD · License #00453

Duane E. MusselmanLicensed

Musselman Excavating, Inc. · Based in Libertytown, MD · License #02252

Stuart E. Colvin IIILicensed

CGC Builders, LLC. · Based in Keymar, MD · License #01282

Walter L. BussardLicensed

Walter Lee Bussard LLC · Based in Myersville, MD · License #00642

Scott A. HainesLicensed

Certified Water Testing LLC · Based in Thurmont, MD · License #01608

Larry (Keith) K. TuckerLicensed

Dustin Construction · Based in Ijamsville, MD · License #02329

Matthew B. CooneyLicensed

B&K Excavating, LLC · Based in Keymar, MD · License #00251

Juan E. UzcateguiLicensed

R&E Chief Septic LLC · Based in Mt Airy, MD · License #00059

Kristopher ColemanLicensed

Based in Frederick, MD · License #02529

Oakley MartinLicensed

Based in Knoxville, MD · License #01126

Nathan M. HendricksonLicensed

J & A Construction Services, Inc. · Based in Mt. Airy, MD · License #02098

Herbert M. Dennison IIILicensed

Dennison Plumbing And Heating, Inc. · Based in Frederick, MD · License #02566

Michael A. LateLicensed

Mick's Plumbing & Heating, INC · Based in Thurmont, MD · License #01052

Matt L. PrzywartyLicensed

BPM Heating Cooling and Plumbing · Based in Frederick, MD · License #02436

Carlos MartinezLicensed

R&E Chief Septic LLC · Based in Mt Airy, MD · License #01760

Todd C. HarneLicensed

Based in Myersville, MD · License #00965

Eric G. HinermanLicensed

Diversified Applications · Based in Thurmont, MD · License #00326

Eric TiddLicensed

CAS Engineering · Based in Frederick, MD · License #01187

Jessie J. WilliamsLicensed

Williams Plumbing LLC · Based in Emmitsburg, MD · License #01237

Christopher A. WantzLicensed

Town of Emmitsburg · Based in Emmitsburg, MD · License #00859

James R. ShoemakerLicensed

Harland J. Shoemaker & Son Inc. · Based in New Market, MD · License #01855

Richard T. FlemingLicensed

RTFS Excavating, LLC · Based in Mt. Airy, MD · License #01751

Matthew D. GibbowsLicensed

Tristate Home Services · Based in Frederick, MD · License #01882

Hunter E. SensenigLicensed

Frederick Septic Company · Based in Frederick, MD · License #00061

Daryl A. SensenigLicensed

Frederick Septic Company · Based in Frederick, MD · License #00060

Douglas S. RogersLicensed

Countywide Septic · Based in Walkersville, MD · License #00489

James B. MaddenLicensed

All Around Plumbing Inc. · Based in Mount Airy, MD · License #01896

James H. YoungLicensed

Youngs Lanns & Landscape · Based in Thurmont, MD · License #00923

Lawrence H. CollinsLicensed

Based in Mt Airy, MD · License #01810

Charles S. RoelkeysLicensed

Roelkey's Septic service LLC · Based in Knoxville, MD · License #00226

Allen HainesLicensed

Catoctin Labs, Inc. · Based in Thurmont, MD · License #00048

Kenley T. HubbleLicensed

Based in Ijamsville, MD · License #00752

Joshua L. WagnerLicensed

Wagner's Construction LLC · Based in Frederick, MD · License #02555

Woodrow W. RichardsonLicensed

Harmonious Plumbing LLC · Based in Frederick, MD · License #02580

Patrick M. MurphyLicensed

Murphy's Septic & Excavating · Based in Ijamsville, MD · License #00536

Lane A. KurkjianLicensed

CAS Engineering · Based in Frederick, MD · License #02001

Mohammad (Mike) RazaviLicensed

Raztec Associates, Inc. · Based in Monrovia, MD · License #01797

Jason E. PoeLicensed

J & A Construction Services, Inc. · Based in Mt. Airy, MD · License #00167

James L. SimonsLicensed

Simons Backhoe Service · Based in Emmitsburg, MD · License #00272

Ronald E. ThompsonLicensed

VANMAR Associates Inc · Based in Mount Airy, MD · License #01004

Michael T. McGahaLicensed

MTM Plumbing Works LLC · Based in Mount Airy, MD · License #02474

John P. MurphyLicensed

Based in Frederick, MD · License #00418

Herbert W. Rohrbaugh, JrLicensed

Rohrbaugh Septic Service LLC · Based in Emmitsburg, MD · License #00353

Christopher B. FormanLicensed

WRF & Sons Plumbing & Heating Inc · Based in Mt. Airy, MD · License #00467

Daniel E. StaleyLicensed

Staley's Onsite Services · Based in Thurmont, MD · License #00548

Scott C. MiskoLicensed

Pipe Down Plumbing Service, LLC · Based in Mt. Airy, MD · License #01186

Ian SelockLicensed

Nature Calls Septic Design LLC · Based in Myersville, MD · License #01907

Devon TarantinoLicensed

Penn's Trail Environmental, LLC · Based in Mount Airy, MD · License #00124

Michael D. FraleyLicensed

Fraley Modular Homes · Based in Walkersville, MD · License #00659

Melifan ParandoushLicensed

Rouz Design Sutido LLC · Based in Frederick, MD · License #02113

John H. Creswell IIILicensed

F&A Excavating LLC · Based in Frederick, MD · License #01197

Bruce D. BoydLicensed

Based in Sabillasville, MD · License #01063

Peter S.A. MurrayLicensed

Murray Underground Services · Based in Frederick, MD · License #00344

Donald L. YoungLicensed

Young Excavating LLC · Based in Keymar, MD · License #00607

Samuel L. BoyerLicensed

Boyer Construction Inc · Based in Knoxville, MD · License #01045

Fredy AriasLicensed

R&E Chief Septic LLC · Based in MT Airy, MD · License #02053

Mark M. Matouch IIILicensed

Terrascape Services LLC · Based in Frederick, MD · License #02536

Roland E. WolfeLicensed

General Excavating · Based in Frederick, MD · License #00713

Jeffrey S. LewisLicensed

Site solutions, llc · Based in Mount Airy, MD · License #02325

Michael R. SchwartzbeckLicensed

T+M Builders, Inc · Based in Monrovia, MD · License #01745

Robert F. BowmanLicensed

Bowmans Septic Service · Based in Thurmont, MD · License #01261

James W. WitmerLicensed

JNM Engineering LLC · Based in Mount Airy, MD · License #01458

David E. WolfeLicensed

Mid Maryland Excavating Inc · Based in Jefferson, MD · License #00808

David B. Wantz, IIILicensed

Town of Emmitsburg · Based in Emmitsburg, MD · License #00860

Jared M. CarhartLicensed

CAS Engineering · Based in Frederick, MD · License #01178

Hannah E. KirbyLicensed

Grounded Operations LLC · Based in Frederick, MD · License #02314

James R. Remsburg JrLicensed

RFP, Inc · Based in Middletown, MD · License #01285

Scott E. ClabaughLicensed

Clabaugh Construction · Based in Frederick, MD · License #01556

David A. TolleyLicensed

Tolley Enterprises, Inc. · Based in Monrovia, MD · License #00495

Warren J. BentzLicensed

Diversified Applications · Based in Thurmont, MD · License #02088

Paul A. CallahanLicensed

Pole Buildings Plus, Inc · Based in Frederick, MD · License #02545

Matthew W. BoydLicensed

Kelco Plumbing & Backhoe Service · Based in Sabillasville, MD · License #02347

Terry M. VanSantLicensed

VanMar Associates, Inc · Based in Mt. Airy, MD · License #01007

Susana GarciaLicensed

G Services LLC · Based in Frederick, MD · License #00316

Water Well Contractors based in Frederick County (1)

Scribellito JosephLicensed

Based in Frederick, MD · License #SCRI

Cities in Frederick County

Emmitsburg 7Frederick 27Ijamsville 3Jefferson 1Keymar 4Knoxville 3Libertytown 1Middletown 1Monrovia 4Mount Airy 7Mt Airy 15Myersville 4New Market 1Sabillasville 2Thurmont 10Walkersville 2

Hiring a well and septic professional in Frederick 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

Adams County, PA 23Carroll County 173Franklin County, PA 28Howard County 47Loudoun County, VA 47Montgomery County 68Washington County 96