Boulder County government offices closed Thursday, Nov. 28, and Friday, Nov. 29, for the Thanksgiving holiday.

Licensed Septic Professionals
family playing outside with a dandelion flower

Licensed Septic Professionals

Onsite Wastewater Treatment Systems Professionals

Apply or Renew your Professional License or Registration

Work that Requires a Licensed Professional

  1. Full system installation
  2. Soil treatment area (STA) replacement
  3. Tank replacement
  4. Lift Station replacement
  5. D-box replacement

If you would like to install a system yourself, you must obtain an OWTS installers license.

Professionals on this List

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

Tips for Using the Table Below

Please click on any of the heading columns below to sort by:

  • Type of professional
  • City
  • Name of company
Type of ProfessionalCompany NamePhoneCityContact NameEmail Address
InspectorsMax Yeager(303) 449-0454BoulderMax Yeagermax@yeagerexcavating.com
EngineersWilliam Young(303) 604-2986Erie
EngineersSheila Cross(719) 836-9669Buena Vista
EngineersAdvanced Prof. Engineering(970) 484-0533Ft. Collins
EngineersAll Service Septic(303) 908-7823ArvadaRichard Petztpetz1@comcast.net
EngineersAmerican Geotechnical, Inc(303) 817-6661LittletonDave Beasley
EngineersAnderson & Hastings(303) 433-8486LakewoodJim Hastings
EngineersAndrew Marner(303) 933-4692LittletonAndyandy@adsengineers.com
EngineersArmfield Engineering, Inc(720) 363-7125LongmontKenneth Armfieldken@armfieldengineering.com
EngineersBluefin U.S., Inc(303) 440-9300BoulderRobert Nauman
EngineersBornengineering(303) 426-1731WestminsterLana Stoppellstoppel@bornengineering.com
EngineersCarrick Engineering Corporation(303) 622-9607StrasburgJonathan Carrickcarrickeng@netecin.net
EngineersCRE Design Engineerign(303) 688-5151Castle RockAndy Jesik
EngineersCDS Engineering Corporation(970) 667-8010LovelandKevin Beckerkbecker@cds-eng.net
EngineersCES Consultants, LLC(970) 373-4480JohnstownKurt Rollin
EngineersChurch Onsite Wastewater Consultants(720) 898-3434GoldenKate Carneykcarney@COWC.info
EngineersRocky Mountain Group(719) 488-2145MonumentTom Cope & Matt Meiertcope@rmg-engineers.com, mmeier@rmg-engineers.com
EngineersColorado Geoscience & Design(303) 688-2150FranktownMichael J. Ballouinfo@cogeodesign.com
EngineersComplete Engineering Services(303) 279-6418GoldenEdward D. Fordefordces@comcast.net
EngineersCornerstone Engr. & Surveying(970) 585-2458Estes ParkMichael Toddmtodd@ces-ccc.com
EngineersCTL/Thompson(970) 206-9455Ft. CollinsChip Leadbetter
EngineersESEC, Inc(303) 888-0744ParkerRonald Huffman
EngineersHollingsworth Associates, Inc(303) 781-5188SheridanTom Hollingsworthtomh@hollingsworth-engineering.com
EngineersIkeler Engineering, LLC(303) 258-8604BlackhawkMike Ikelermikeikeler@aol.com
EngineersTCS(970) 420-6726BerthoudThomas Strizkitom.stizki@novelis.com
EngineersInvestigative Engineers & Geologists(303) 619-7973GoldenSamuel Urton David Cushmansamatieg@earthlink.net dcushman1@comcast.net
EngineersJR Engineering, Ltd(303) 740-9393EnglewoodV. Hernandez
EngineersJVA, Inc(303) 564-4974DenverSimon Farrellsfarrell@jvajva.com
EngineersKC Hamilton Eng., Inc(303) 733-4702DenverKen Hamiltonkcengineering.com
EngineersKiva Engineering, Inc(970) 663-0138LovelandBill Mitzelfeld
EngineersKnechtel Engineering., Ltd(303) 772-3020LongmontWin Knechtel
EngineersKordziel Engineering, Inc(303) 216-1919GoldenJoe Kordzielkordzieleng@msn.com
EngineersLandmark Engineering(970) 667-6286LovelandRod HarrLarry.Miller@landmarkepc.com
EngineersQuality Engineering, LLC(970) 416-7891Ft. CollinsCody Geisendorfer
EngineersPalumbo, Francis(303) 246-3824LongmontFrancis Palumbo
EngineersPickering, Cole & Hivner(303) 996-2999WestminsterAndrew J. Garner
EngineersRichard Walters(970) 226-8744Fort Collinscurley3232@aol.com
EngineersSCG Enterprises, Inc(303) 619-2158ConiferRoger Shaferrshafer@scgenterprises.com
EngineersSubstrata, LLC(970) 535-6144LovelandJosh Schmidtjosh@mysubstrata.com
EngineersSTRUXURE(303) 258-7441BlackhawkKathryn Langdonastruxure@gmail.com
EngineersThomas Hoh, PE(303) 449-2590Boulderthoh@comcast.net
EngineersTimberline Engineering(303) 868-3752CarbondaleDavid Powelltimberline@sopris.net
EngineersVan Horn Engineering & Survey(970) 586-9388Estes Parkinfo@vanhornengineering.com
EngineersWayne Wentworth(303) 775-7962Longmontwentwrth@aol.com
EngineersWestern Engr. Consultants(720) 685-9951BrightonChad Coxchadwin.cox@westerneci.com
EngineersWilkinson Engineering(303) 499-6755LongmontWilliam Wilkinsonbill.f.wilkinson@gmail.com
EngineersJeffrey D Block, PE & Associates, Inc(208) 699-0080BoulderJeffrey D Blockjdblockpe@frontier.com
CleanersFront Range Portable(303) 570-5945LongmontSteve Silversfrpr2412@gmail.com
CleanersJohnston Sanitation, LLC(970) 667-5405LovelandEvan & Denise Weltingjohnstonsanitation@gmail.com
CleanersSullivan Septic, LLC(303) 772-4019LongmontKevin Sullivansullseptic@aol.com
CleanersAir-O-Pure(303) 258-3597NederlandHillary Kysarairopure@hotmail.com
InstallersAckerman’s Excavation(303) 747-2548LyonsGeorge Ackermanackermanexcavate@aol.com
InstallersGapter Septic System & Excavating(303) 666-6404ErieGreg Gaptergapterseptic@gmail.com
InstallersMarshal Fike(303) 808-5683JamestownMarshal Fike
InstallersSullivan Septic, LLC(303) 772-4019LongmontKevin Sullivansullseptic@aol.com
InstallersThe Excavator(303) 818-6071LongmontWilliam Sivybillsivy@gmail.com
InstallersWestern Eagle Enterprises, Inc(303) 642-0757GoldenSteven Orloffwesterneagle621@gmail.com
InstallersYeager Excavating(303) 449-0454BoulderMax Yeagermax@yeagerexcavating.com
InspectorsSullivan Septic, LLC(303) 772-4019LongmontCindy Sullivansullseptic@aol.com
InspectorsSullivan Septic, LLC(303) 772-4019LongmontKevin Sullivansullseptic@aol.com
EngineersJeff Davis Engineering, LLC(303) 674-2224EvergreenJeff J. Davismjdavis@wispertel.net
InstallersTundra Septic & Excavating(303) 747-1013AllensparkJoanna L. Goudtundraexcavating@gmail.com
EngineersAlliance Consulting(720) 625-1571ArvadaDavid E Mooredemoorepe@allianceengineer.com
EngineersAlles Taylor & Duke, LLC(970) 330-0308EvansMark A Tayloralles_taylor_duke@yahoo.com
InstallersCap Excavating(303) 772-2279LongmontKyle Bralykyle@capexcavating.com
InstallersHel-Digger Water & Sewer, LLC(303) 619-4397HendersonRob Helvigheldiggerllc@gmail.com
InstallersNixcavating, Inc(303) 776-8898LongmontR. Scott Nixsara@nixcavating.com
Engineers5280 Septic, LLC(303) 437-1027DenverAnnette Martin5280septic@gmail.com
EngineersEarth Engineering, Inc(970) 775-2004WindsorMichael J. Coleymikec@earthengineeringcompany.com
CleanersNoCo Septic, Inc(720) 899-8749LongmontScott Kapalascott@nocoseptic.com
InspectorsNoCo Septic, Inc(720) 899-8749LongmontScott Kapalascott@nocoseptic.com
InstallersGrein Excavating, LLC(303) 659-5295BrightonMichael Greingreinexcavating@gmail.com
InstallersHigh Altitude Backhoe Services(303) 459-0478WardJesse Farmerjfbackhoeserv@gmail.com
InstallersNoCo Septic, Inc(720) 899-8749LongmontScott Kapalascott@nocoseptic.com
EngineersInsight Engineering, Inc(303) 929-4272EvergreenDrew Schneiderdrew@insightengineering.org
EngineersAmec Foster Wheeler(303) 975-2195DenverRaymond D Hamiltonray.hamilton@amecfw.com
InstallersMountain Island Construction(303) 588-4165NederlandDavid Taylormtn.isl.construction@gmail.com
InspectorsSullivan Septic, LLC(303) 772-4019LongmontCody Lehlsullseptic@aol.com
InspectorsSullivan Septic, LLC(303) 772-4019LongmontKrystal Lehlsullseptic@aol.com
InspectorsTundra Septic & Excavating(303) 747-1013AllensparkJoanna L. Goudtundraexcavating@gmail.com
InstallersBioterra Constructors(303) 579-3569BoulderPhilip Hollimonbjcom17@comcast.net
EngineersSorensen Engineering & Construction, LLC(970) 590-1579Ft CollinsPaul Sorensenpaul@secengineering.net
InstallersNext Level Excavation, LLC(970) 215-4444Estes ParkScott Millerscott@nlexcavation.com
InstallersCap Excavating, Inc(303) 772-2279LongmontDylan Bralydylan@capexcavating.com
InstallersBlack Diamond Excavating(303) 601-4216Black HawkSteven Grapesblackdiamondexcavation@gmail.com
InstallersHigh Plains Excavation & Haulin(970) 308-4666Estes ParkWendy Adamscrazycora@icloud.com
InstallersJones Excavating & Plumbing(970) 532-2620BerthoudJosh Jonesjonesexgeo@gmail.com
InstallersUpland Construction & Development, LLC(303) 641-7510BoulderAlex Nelsonalex@uplandbuilt.com
InspectorsJones Excavating & Plumbing(970) 532-2620BerthoudJosh Jonesjonesexgeo@gmail.com
InstallersDouglas County Septic(303) 791-7716FranktownScott Kelloggcustomerservice@douglascountyseptic.com
InstallersJake of All Trades Contracting(303) 808-4490GoldenJake Gouldjoatcco@hotmail.com
InstallersBoonstra Excavation, LLC(970) 278-6151LovelandStephen Boonstraboonstraexcavation@yahoo.com
InspectorsSuc N Up, LLC(303) 641-7675LongmontCraig Cheneycraigcheney87@outlook.com
EngineersSunshine Engineers, LLC(720) 248-7434BoulderWilliam Closewilliam@sunshine-engineers.com
CleanersBlack Diamond Pumping(303) 720-0401Ft LuptonBradley Billingerblackdiamondpumping@gmail.com
InspectorsBlack Diamond Pumping(303) 720-0401Ft LuptonBradley Billingerblackdiamondpumping@gmail.com
CleanersSuc N Up, LLC(303) 641-7675LongmontCraig Cheneyinfo@sucnup.com
InstallersGopher Excavation, Inc(970) 532-1112BerthoudWilliam Suitsgopherexc@hotmail.com
InstallersMountain View Construction of Estes Park(303) 747-2248AllensparkBrian Donahuetahosa.ranch@gmail.com
InstallersHaystack Custom Ag.& Septic Service, LLC(303) 827-4988LongmontKyle Rovnakkyle.rovnak@gmail.com
InstallersHardt’s Backhoe Service(303) 589-9354RollinsvilleChris Hardtchriscat420d@aol.com
InstallersPower Earth(303) 449-7014BoulderChris Lovenpowerearth@q.com
InstallersHigh Performance Earthworks(720) 514-9817NederlandJesse Seaversoffice@highperformanceearthworks.com
InspectorsFoothills Septic Pumping(303) 670-3160GoldenNathaniel Watersfoothillsseptic@comcast.net
CleanersFoothills Septic Pumping(303) 670-3160GoldenVictor Juarezfoothillsseptic@comcast.net
InspectorsColorado Septic(720) 514-9703NederlandRobert Broadwellcoloradoseptic@gmail.com
CleanersColorado Septic(720) 514-9703NederlandRobert Broadwellcoloradoseptic@gmail.com
InstallersLPC(303) 828-0805ErieMario Sanchezkcfarrer@hotmail.com
CleanersGapter Septic Pumping & Services, LLC(303) 506-1593BoulderCollin Gaptergapterpumping@gmail.com
InspectorsGapter Septic Pumping & Services, LLC(303) 506-1593BoulderCollin Gaptergapterpumping@gmail.com
InstallersLion Home Service(970) 556-0544Ft CollinsMark Lancastermlancaster@lionhomeservice.com
InspectorsLion Home Service(970) 556-0544Ft CollinsMark Lancastermlancaster@lionhomeservice.com
CleanersLion Home Service(970) 556-0544Ft CollinsMark Lancastermlancaster@lionhomeservice.com
InstallersCommonwealth Construction(303) 243-2298BoulderMatthew Morganmatthew@cwsexcavating.com
InstallersRST Services, LLC(720) 346-8279LongmontTucker Pattridgerstservicesllc@outlook.com
InstallersLen’s Excavating, Inc(303) 956-1305ArvadaJustin Colejustin@lenexc.com
InstallersMountain Contracting, LLC(303) 888-3580Black HawkMatt Tarpillmountaincontractingllc@gmail.com
InstallersPrecision Excavation(720) 461-7951NederlandBryan Tarpillbryantarpill@gmail.com
EngineersInnovative Process Engineering, PLLC(720) 775-0076MonumentRonald P LeBlancron@ipepllc.com
EngineersGeoMet Engineering, Inc(209) 712-2168BoulderRyne Mettlermettler@geometengineering.com
InstallersDoone Brothers Sewer & Septic Services(303) 885-8941ArvadaSeamus Doonedoonebros@gmail.com
EngineersRMG Engineers(719) 434-5638Colorado SpringsDavid G Walkerdwalker@rmg-engineers.com
InstallersRay’s Backhoe Service(303) 589-0117LongmontRay Lambray@raysbackhoeservice.com
CleanersThe Terd-inator, LLC(720) 234-2499Fort LuptonSteve Helvigs.helvig@me.com
InspectorsThe Terd-inator, LLC(720) 234-2499Fort LuptonSteve Helvigs.helvig@me.com
CleanersKuyper’s Septic, Inc(970) 405-3343LovelandClint Kuyperkuypersseptic@gmail.com
InstallersCowbell Construction(970) 948-6896BoulderMatthew Leggcowbellconstruction@gmail.com
InstallersHastings Brothers Construction(303) 907-7861DenverSeth Suttonseth@hastingsbrothers.com
InstallersGrapes & Sons Excavating, Inc(303) 582-1131Black HawkHolly Grapesbhgrapes@gmail.com
InstallersPeak Plumbing(970) 673-6025TimnathJacob Smythjacob@peak-plumbing.com
InstallersEddie Stark, LLC(720) 641-0393Wheat RidgeEddie Starkcolbybeast@hotmail.com
InstallersAmerican Sewer and Utilities(970) 420-5086LovelandEric Hopkinsamsewer.repair@gmail.com
InstallersBig Dog Excavation, Inc(970) 576-9961KerseyMana Kaiabigdogexcavation16@yahoo.com
InspectorsSuc N Up, LLC(720) 289-6210LongmontSarah Hubbardinfo@sucnup.com
InspectorsSuc N Up, LLC(720) 289-6210LongmontMary Meyersinfo@sucnup.com
InstallersMoose and Bear Construction, LLC(970) 889-1643LovelandRobert Saffellmooseandbearconstruction@gmail.com
InstallersEvergreen Excavating & Tree Service, LLC(720) 272-4695EvergreenTodd Hansonhgexcavating2@msn.com
InstallersReCo Multiservices, LLC(720) 296-8197DenverCarlos Morenorecomultiservices@gmail.com
InstallersMcMahon Construction, LLC(720) 774-0021Ft. LuptonMike McMahonbuilders3210@gmail.com
InstallersStinson Dirtwork(720) 588-3478LakewoodDavid Stinsonstinson.d@gmail.com
InspectorsSuc N Up, LLC(720) 289-6210LongmontMaria Pearsoninfo@sucnup.com
InspectorsSuc N Up, LLC(720) 289-6210LongmontLacey Walkerinfo@sucnup.com
InstallersMark A Bahrijczuk(440) 237-5909WardMark Bahrijczukfinecraftbldg@gmail.com
InspectorLukas Kuyper(970) 691-7689LovelandLukas Kuyperlkuyper97@gmail.com
InstallersDusty’s Dirtworks, LLC(970) 749-1903WindsorDusty Neildusty@dustysdirtworks.com
InstallersWayne’s Dirt Work, Inc(970) 222-4357BellvueWayne Kontzwaynesdirtwork@gmail.com
InstallersFractal, LLC(303) 960-9224GoldenZach Kesslerzach@fractalgc.com
InstallersDerek Blaha(303) 775-2810LongmontDerek Blahaderekblaha0413@gmail.com
InstallersJPJ Enterprizes(720) 272-7177BerthoudJohn Jacobjpjenterprizesjohn@gmail.com
InstallersSuc N Up(720) 289-6210LongmontCraig Cheneyinfo@sucnup.com
Engineers285 Engineering, Inc(720) 515-1781ConiferJennifer Miglioratojennifer@285engineering.com
InstallersConifer Excavating(303) 981-0480PineBryan Rolandconiferexcavating22@gmail.com
InstallersB&N Excavating(303) 249-7226ConiferBert Laczkobnexcav@gmail.com
InspectorsA-1 Septic Service(303) 659-0610Ft LuptonSpenser Rickmaninfo@a-1septic.org
CleanersA-1 Septic Service(303) 659-0610Ft LuptonSpenser Rickmaninfo@a-1septic.org
InstallersMeyers Services(720) 431-8730Black HawkJeramy Meyersjeramy@meyersservices.co
InstallersCGRS, Inc(303) 710-2018Ft CollinsJosh Huttojhutto@cgrs.com
InstallersJR Hiller, LLC(720) 308-8158Wheat RidgeJesse Hillerjesse.hiller73@gmail.com

Contact Us


SepticSmart Program

Main: 303-441-1564
Submit a question


Location

Boulder
3450 Broadway
Map and Directions
Hours: 8 a.m. to 4:30 p.m.
Monday-Friday


Website

SepticSmart Program website

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