SepticSmart: Licensed Professionals

Professionals on this List

This list of resources is intended to assist you throughout the process of permitting your septic system. Please contact Boulder County Public Health with any questions at 303-441-1564.

National Association of Wastewater Technicians (NAWT) Certification

This is a list of companies/individuals that have been certified by the National Association of Wastewater Technicians (NAWT). Inspectors on this list have completed a comprehensive, nationally accredited course in the inspection of onsite wastewater systems. They have demonstrated their competence by passing a rigorous exam; that certification is good for two years. Boulder County Public Health does not specifically endorse any of these companies/individuals.

 ‭(Hidden)‬ Scripts


Search: x
Type of Professional Facility Phone Address City
Inspectors2-D Enterprises(303) 638-2772PO Box 504Ft Lupton
Engineers5280 Septic, LLC(303) 437-10275333 Julian St.Denver
CleanersA-1 Sanitation Inc.(970) 223-6803PO Box 470Wellington
InspectorsA-1 Sanitation Inc.(970) 223-6803PO Box 470Wellington
InspectorsABC Septic Inspections(303) 834-5193PO Box 3077Nederland
InspectorsAC Sewer Service(303) 776-006210595 N 75th StLongmont
CleanersAC Sewer Service(303) 776-006210595 N 75th St.Longmont
InstallersAckerman's Excavation(303) 747-254879 Big John RdLyons
CleanersAcme Septic Inc.(303) 459-110614497 Gold Hill RdBoulder
InspectorsAcme Septic, Inc.(303) 459-110614497 Gold Hill Rd.Boulder
EngineersAdvanced Prof. Engineering(970) 484-0533PO Box 1391Ft. Collins
EngineersAll Service Septic(303) 437-10276147 Braun CtArvada
InstallersAllenspark Construction(303) 747-2832PO Box 385Allenspark
EngineersAlles Taylor & Duke, LLC(970) 330-03083610 W. 35th Ave, Unit #6Evans
InstallersAlpine Environmental Excavating(303) 747-2865PO Box 462Allenspark
EngineersAmerican Geotechnical Inc.(303) 817-66616367 S Gray CtLittleton
EngineersAnderson & Hastings(303) 433-848612596 W Bayaud Ave # 350Lakewood
EngineersAndrew Marner(303) 933-469212378 W. Aqueduct Dr.Littleton
InstallersAntique Excavating(303) 258-7325PO Box 987Nederland
EngineersArmfield Engineering, Inc.(720) 363-7125904 Alta St.Longmont
InstallersBig Horn Excavating(303) 823-612092 Stagecoach TrlLyons
InstallersBioterra Constructors, Inc.(303) 579-35691068 Marble Ct.Boulder
InstallersBlack Diamond(303) 582-3806260 Venus RdBlackhawk
InstallersBlue Mountain Excavating Inc.(303) 823-54211609 CR 37ELyons
EngineersBluefin U.S. Inc.(303) 440-9300626 Cascade AveBoulder
EngineersBornengineering(303) 426-17311130 W. 124th Ave. #100Westminster
InstallersBoulder Septic(303) 358-56862949 BroadwayBoulder
InspectorsBradley Beierle(303) 659-2355PO Box 387Platteville
InstallersBrinson, LLC(303) 909-4907PO Box 3275Evergreen
InspectorsBruce Bevirt(303) 642-3565PO Box 7215Golden
InstallersBudhoe's Backhoe, LLC(303) 877-5267PO Box 174Jamestown
InstallersCap Excavating(303) 772-227910759 WCR7Longmont
EngineersCarrick Engineering Corporation(303) 622-9607PO Box 709Strasburg
EngineersCDS Engineering Corporation(970) 667-8010165 2nd St., SWLoveland
EngineersCES Consultants LLC(970) 373-4480112 E. South 1st St.Johnstown
InstallersChristian Craftsman(303) 718-31827033 Sioux DrLongmont
EngineersChurch Onsite Wastewater Consultants(720) 898-3434PO Box 5146Golden
InstallersCliff Pond Excavating(303) 246-89713610 W CO. Rd. 2Berthoud
EngineersColeman Engineering LLC(303) 530-11255000 Butte #133Boulder
EngineersColorado Geoscience & Design(303) 688-2150PO Box 68Franktown
InspectorsColumbia Sanitary(303) 526-53704265 Kendrick StGolden
CleanersColumbia Sanitary Services(303) 526-537020554 Sky Meadow LaneGolden
InstallersCommon Wealth Construction LLC(303)385-3305PO Box 270247Louisville
EngineersComplete Engineering Services(303) 279-6418912 12th St.Golden
EngineersCornerstone Engr. & Surveying(970) 586-24581692 Big Thompson AveEstes Park
EngineersCRE Design Engineerign(303) 688-5151701 Park St Unit ECastle Rock
EngineersCTL/Thompson(970) 206-9455351 Linden St 140Ft. Collins
InstallersDillon Developers, Inc.(303) 258-3125PO Box 1435Nederland
InstallersDouglas County Septic(303) 791-7716PO Box 418Franktown
InstallersE1(303) 517-0914PO Box 3144Nederland
EngineersEarth Engineering Inc.(970) 775-20044396 Greenfield Dr.Windsor
InstallersEntelechy, LLC(303) 598-2855PO Box 19173Boulder
EngineersESEC INC.(303) 888-074412105 N. Boot Hill DrParker
InstallersFairbanks Excavation Inc.(970) 586-5121PO Box 2343Estes Park
InstallersFalconer & Sons Excavating(303) 747-0565PO Box 11Allenspark
InstallersFlorian Freymuth Construction(720) 480-2175559 Marine St.Boulder
InstallersFoothills Excavating(303) 444-301937126 Boulder CanyonBoulder
InspectorsFoothills Septic(303) 670-3160PO Box 17713Golden
InspectorsFoothills Septic(303) 670-3160PO Box 17713Golden
CleanersFoothills Septic Pumping(303) 670-3160PO Box 17713Golden
InspectorsFred Rule(303) 526-53707919 Elmwood LnDenver
CleanersFront Range Portable(303) 570-5945PO Box 2412Longmont
InstallersGapter Septic System & Excavating(303) 666-64042760 S. Main St.Erie
InstallersGopher Excavating Inc.(970) 532-1112PO Box 1079Berthoud
InstallersGrapes & Sons Excavating(303) 582-1131PO Box 571Black Hawk
InstallersGrein Excavating(303) 659-529516800 E. 168th Ave.Brighton
InstallersGuernsey Grading & Excavating Inc.(303) 644-32994541 Penrith Rd.Bennett
InstallersHardt's Backhoe Service(303) 589-9354PO Box 453 Rollinsville
InstallersHarley Keeter Jr Trucking Inc.(303) 442-2131PO Box 18598Boulder
EngineersHarold E Donnelly(303) 926-54554904 Prebles PlaceBroomfield
InstallersHatrock Excavation(720) 771-2353PO Box 1155Lyons
InstallersHel-Digger Water & Sewer LLC(303) 619-439712615 E Bates Cir.Aurora
InstallersHigh Altitude Backhoe Serv.(720) 891-2688100 ChathamWard
InstallersHigh Performance Homes(575) 313-4756PO Box 1403Nederland
EngineersHigh Plains Engineering(303) 857-9280721 4TH St. Fort Lupton
EngineersHollingsworth Associates, Inc.(303) 781-51882895 West Oxford Ave. Ste. #4Sheridan
EngineersIkeler Engineering, LLC(303) 258-86042935 Lump Gulch RoadBlackhawk
EngineersInnovative Design & Engineering LLC(303) 931-1776PO Box 26Mead
EngineersInvestigative Engineers & Geologists(303) 619-7973PO Box 1309Golden
InstallersJ&J Construction Concepts(970) 391-8834770 Mt. Massive St.Berthoud
EngineersJeff Davis Engineering, LLC(303) 674-222424504 Norman LaneEvergreen
InstallersJoanna L Goud(303) 747-1013PO Box 172Allenspark
InspectorsJoe Bath(970) 532-98192285 S Brehm Rd.Berthoud
GeologistsJoe Bath(970) 532-98192285 S Brehm Rd.Berthoud
CleanersJohnston Sanitation LLC(970) 667-5405PO Box 7816Loveland
InstallersJPJ Enterprises(720) 272-71778064 Pebble Rd.Longmont
EngineersJR Engineering, Ltd(303) 740-93936020 Greenwood Plaza Blvd.Englewood
EngineersJVA Inc.(303) 444-19511319 Spruce St.Boulder
EngineersKC Hamilton Eng. Inc.(303) 733-4702PO BOX 300626Denver
InstallersKen Millette Plumbing(720) 641-564813715 Elmore RdLongmont
InstallersKitchen & Co Excavators(970) 586-20911901 Fish Creek RdEstes Park
EngineersKiva Engineering, Inc.(970) 663-01385110 Granite St Ste DLoveland
EngineersKnechtel Engineering., Ltd.(303) 772-3020410 Main St.Longmont
EngineersKordziel Engineering, Inc.(303) 216-1919PO Box 16267Golden
EngineersLandmark Engineering(970) 667-62863521 W. Eisenhower Blvd.Loveland
InstallersLen's Excavating Inc.(303) 956-130518710 Hwy 72Arvada
InstallersLeon F. Hill(303) 443-2494PO Box 175Jamestown
InstallersLPC(303) 828-0805PO Box 795Erie
EngineersManhard Consultants(720) 292-516610835 Dover St. Ste. 700Westminster
InstallersMarshall Fike(303) 417-1051PO Box 81Jamestown
InspectorsMax Yeager(303) 449-04549149 Sunshine Canyon Dr.Boulder
InstallersMcCollum's Excavating LLC(303) 582-1500PO Box 790Nederland
CleanersMcDonald Farm Ent. Inc.(303) 772-45777247 E. Cty Line Rd.Longmont
InstallersMountain Home Septic(303) 746-8416PO Box 224Allenspark
InstallersMountain Island Construction CO.(303) 588-4165PO Box 1177Nederland
InstallersMountain View Construction(303) 747-2248PO Box 152Allenspark
InstallersMr. Rooter Plumbing(303) 902-53713801 Godding Hollow PkwyFrederick
InstallersMVB Inc.(303) 748-955316459 Avalanche RunBroomfield
InstallersNick Gromicko(720) 272-85781750 30th St.Boulder
InstallersNixcavating Inc.(303) 776-8898PO Box 2232Longmont
InstallersOrodel Excavating, LLC(303) 579-1821443 Camino BosqueBoulder
InspectorsPaige Beierle(970) 539-8372501 Main St.Platteville
EngineersPalumbo, Francis(303) 246-38247196 Mt. Meeker Rd.Longmont
InspectorsPaul Delahunt(303) 506-9187PO Box 628Pinecliffe
EngineersPickering, Cole & Hivner(303) 996-29991070 W 124th Ave Ste 300Westminster
InstallersPower Earth Excavation & Septic Systems(303) 449-70143875 Lee Hill DrBoulder
EngineersQuality Engineering LLC(970) 416-78911612 Laporte Ave Ft. Collins
InstallersR.M. Ramstetter Excavating(303) 277-02865268 RYE GULCH RDGolden
InstallersRay's Backhoe Service, LLC(303) 589-01176698 McCall Dr.Longmont
InstallersRichard Freeman Construction(303) 229-74684858 Highland Dr.Longmont
EngineersRichard Walters(970) 226-8744924 Boltz Ct.Fort Collins
InstallersRMHB Construction Inc.(303) 968-7183264 Snowy Ridge Rd.Evergreen
EngineersRocky Mountain Group(719) 488-2145PO Box 1298Monument
EngineersSCG Enterprises, Inc.(303) 838-0611 X2PO Box 1411Conifer
EngineersScott, Cox & Associates(303) 444-30511530 55th St.Boulder
InstallersSeptic Masters(720) 344-2589PO Box 2589Englewood
EngineersSheila Cross(719) 836-9669PO Box 5183Buena Vista
InstallersSilver Eagle Excavating(303) 642-746411577 Coal Creek Heights DrGolden
InspectorsSnowbridge Roto-Rooter(970) 453-2339PO Box 2917Breckenridge
EngineersSoilogic Inc.(970) 535-61441435 Hilltop Cr.Windsor
EngineersSteige & Associates, Inc.(970) 577-1070PO Box 3666Estes Park
InstallersStorm Form LLC(303) 638-9248920 Corey St.Longmont
EngineersSTRUXURE(303) 258-7441PO Box 782Blackhawk
InspectorsSuc N Up(720) 234-249914196 WCR 7Mead
CleanersSuc N Up LLC(720) 289-621014196 WCR 7Mead
InspectorsSucNUp LLC(970) 535-492914196 WCR 7Mead
CleanersSullivan Septic LLC(303) 772-4019PO Box 1288Longmont
InstallersSullivan Septic LLC(303) 772-4019PO Box 1288Longmont
InspectorsSullivan Septic LLC(303) 772-4019PO Box 1288Longmont
InspectorsSullivan Septic LLC(303) 772-4019PO Box 1288Longmont
EngineersTCS Engineering Service(970) 532-332618630 County Rd 1Berthoud
EngineersTerracon Western, Empire Division(303) 776-39211242 Bramwood Pl.Longmont
InstallersThe Excavator(303) 818-60715595 Ute HwyLongmont
EngineersThomas Hoh, PE(303) 449-2590376 Left Hand CanyonBoulder
EngineersTimberline Engineering(303) 868-3752PO Box 631Carbondale
CleanersTodd Companies Inc./John Todd Companies Inc.(303) 791-0520PO Box 130Louviers
InstallersTriple R Backhoe, Inc.(970) 587-5442314 S Kathleen AveMilliken
InspectorsTroy Milburn(720) 344-21-20PO Box 2589Englewood
EngineersVan Horn Engineering & Survey(970) 586-93881043 Fish Creek Rd.Estes Park
EngineersW2 Engineers, LLC(720) 331-23325902 Gunbarrel Ave. Unit ABoulder
CleanersWaste Management of Estes Park(970) 586-2321PO Box 2162Estes Park
EngineersWayne Wentworth(303) 775-7962202 Main St. #3Longmont
InstallersWestern Eagle Ent. Inc.(303) 642-07579225 Blue Mtn. DrGolden
EngineersWestern Engr. Consultants(720) 685-9951PO Box 595Brighton
EngineersWestern Soils, Inc.(303) 444-04301000 Lefthand Canyon DrBoulder
EngineersWilkinson Engineering(303) 499-67551510 ZAMIA AVE # 101Boulder
EngineersWilliam Young(303) 604-2986PO Box 410Erie
InstallersYeager Excavating(303) 449-04549149 Sunshine Canyon DrBoulder

 Related Links


SepticSmart Program

Submit a question


3450 Broadway
Map & Directions
Hours: 8 a.m.-4:30 p.m. M-F