Licensed Septic Professionals
Work that Requires a Licensed Professional
- Full system installation
- Soil treatment area (STA) replacement
- Tank replacement
- Lift Station replacement
- 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 Professional | Company Name | Phone | City | Contact Name | Email Address |
|---|---|---|---|---|---|
| Inspectors | Max Yeager | (303) 449-0454 | Boulder | Max Yeager | max@yeagerexcavating.com |
| Engineers | William Young | (303) 604-2986 | Erie | ||
| Engineers | Sheila Cross | (719) 836-9669 | Buena Vista | ||
| Engineers | Advanced Prof. Engineering | (970) 484-0533 | Ft. Collins | ||
| Engineers | All Service Septic | (303) 908-7823 | Arvada | Richard Petz | tpetz1@comcast.net |
| Engineers | American Geotechnical, Inc | (303) 817-6661 | Littleton | Dave Beasley | |
| Engineers | Anderson & Hastings | (303) 433-8486 | Lakewood | Jim Hastings | |
| Engineers | Andrew Marner | (303) 933-4692 | Littleton | Andy | andy@adsengineers.com |
| Engineers | Armfield Engineering, Inc | (720) 363-7125 | Longmont | Kenneth Armfield | ken@armfieldengineering.com |
| Engineers | Bluefin U.S., Inc | (303) 440-9300 | Boulder | Robert Nauman | |
| Engineers | Bornengineering | (303) 426-1731 | Westminster | Lana Stoppel | lstoppel@bornengineering.com |
| Engineers | Carrick Engineering Corporation | (303) 622-9607 | Strasburg | Jonathan Carrick | carrickeng@netecin.net |
| Engineers | CRE Design Engineerign | (303) 688-5151 | Castle Rock | Andy Jesik | |
| Engineers | CDS Engineering Corporation | (970) 667-8010 | Loveland | Kevin Becker | kbecker@cds-eng.net |
| Engineers | CES Consultants, LLC | (970) 373-4480 | Johnstown | Kurt Rollin | |
| Engineers | Church Onsite Wastewater Consultants | (720) 898-3434 | Golden | Kate Carney | kcarney@COWC.info |
| Engineers | Rocky Mountain Group | (719) 488-2145 | Monument | Tom Cope & Matt Meier | tcope@rmg-engineers.com, mmeier@rmg-engineers.com |
| Engineers | Colorado Geoscience & Design | (303) 688-2150 | Franktown | Michael J. Ballou | info@cogeodesign.com |
| Engineers | Complete Engineering Services | (303) 279-6418 | Golden | Edward D. Ford | efordces@comcast.net |
| Engineers | Cornerstone Engr. & Surveying | (970) 585-2458 | Estes Park | Michael Todd | mtodd@ces-ccc.com |
| Engineers | CTL/Thompson | (970) 206-9455 | Ft. Collins | Chip Leadbetter | |
| Engineers | ESEC, Inc | (303) 888-0744 | Parker | Ronald Huffman | |
| Engineers | Hollingsworth Associates, Inc | (303) 781-5188 | Sheridan | Tom Hollingsworth | tomh@hollingsworth-engineering.com |
| Engineers | Ikeler Engineering, LLC | (303) 258-8604 | Blackhawk | Mike Ikeler | mikeikeler@aol.com |
| Engineers | TCS | (970) 420-6726 | Berthoud | Thomas Strizki | tom.stizki@novelis.com |
| Engineers | Investigative Engineers & Geologists | (303) 619-7973 | Golden | Samuel Urton David Cushman | samatieg@earthlink.net dcushman1@comcast.net |
| Engineers | JR Engineering, Ltd | (303) 740-9393 | Englewood | V. Hernandez | |
| Engineers | JVA, Inc | (303) 564-4974 | Denver | Simon Farrell | sfarrell@jvajva.com |
| Engineers | KC Hamilton Eng., Inc | (303) 733-4702 | Denver | Ken Hamilton | kcengineering.com |
| Engineers | Kiva Engineering, Inc | (970) 663-0138 | Loveland | Bill Mitzelfeld | |
| Engineers | Knechtel Engineering., Ltd | (303) 772-3020 | Longmont | Win Knechtel | |
| Engineers | Kordziel Engineering, Inc | (303) 216-1919 | Golden | Joe Kordziel | kordzieleng@msn.com |
| Installers | Grayline Excavating, Inc | (303) 710-0501 | Eaton | Chris Gray | chrissgray@hotmail.com |
| Engineers | Landmark Engineering | (970) 667-6286 | Loveland | Rod Harr | harr@landmarkltd.com |
| Engineers | Quality Engineering, LLC | (970) 416-7891 | Ft. Collins | Cody Geisendorfer | |
| Engineers | Palumbo, Francis | (303) 246-3824 | Longmont | Francis Palumbo | |
| Engineers | Pickering, Cole & Hivner | (303) 996-2999 | Westminster | Andrew J. Garner | |
| Engineers | Richard Walters | (970) 226-8744 | Fort Collins | curley3232@aol.com | |
| Engineers | SCG Enterprises, Inc | (303) 619-2158 | Conifer | Roger Shafer | rshafer@scgenterprises.com |
| Engineers | Substrata, LLC | (970) 535-6144 | Loveland | Josh Schmidt | josh@mysubstrata.com |
| Engineers | STRUXURE | (303) 258-7441 | Blackhawk | Kathryn Langdon | astruxure@gmail.com |
| Engineers | Thomas Hoh, PE | (303) 449-2590 | Boulder | thoh@comcast.net | |
| Engineers | Timberline Engineering | (303) 868-3752 | Carbondale | David Powell | timberline@sopris.net |
| Engineers | Van Horn Engineering & Survey | (970) 586-9388 | Estes Park | info@vanhornengineering.com | |
| Engineers | Wayne Wentworth | (303) 775-7962 | Longmont | wentwrth@aol.com | |
| Engineers | Western Engr. Consultants | (720) 685-9951 | Brighton | Chad Cox | chadwin.cox@westerneci.com |
| Engineers | Wilkinson Engineering | (303) 499-6755 | Longmont | William Wilkinson | bill.f.wilkinson@gmail.com |
| Engineers | Jeffrey D Block, PE & Associates, Inc | (208) 699-0080 | Boulder | Jeffrey D Block | jdblockpe@frontier.com |
| Cleaners | Front Range Portable | (303) 570-5945 | Longmont | Steve Silvers | frpr2412@gmail.com |
| Cleaners | Johnston Sanitation, LLC | (970) 667-5405 | Loveland | Evan & Denise Welting | johnstonsanitation@gmail.com |
| Cleaners | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Kevin Sullivan | sullseptic@aol.com |
| Cleaners | Air-O-Pure | (303) 258-3597 | Nederland | Hillary Kysar | airopure@hotmail.com |
| Installers | Ackerman's Excavation | (303) 747-2548 | Lyons | George Ackerman | ackermanexcavate@aol.com |
| Installers | Gapter Septic System & Excavating | (303) 666-6404 | Erie | Greg Gapter | gapterseptic@gmail.com |
| Installers | Marshal Fike | (303) 808-5683 | Jamestown | Marshal Fike | |
| Installers | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Kevin Sullivan | sullseptic@aol.com |
| Installers | The Excavator | (303) 818-6071 | Longmont | William Sivy | billsivy@gmail.com |
| Installers | Triple R Backhoe, Inc | (970) 587-6424 | Milliken | Robert G Ribble | triplerdad@yahoo.com |
| Installers | Western Eagle Enterprises, Inc | (303) 642-0757 | Golden | Steven Orloff | westerneagle621@gmail.com |
| Installers | Yeager Excavating | (303) 449-0454 | Boulder | Max Yeager | max@yeagerexcavating.com |
| Inspectors | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Cindy Sullivan | sullseptic@aol.com |
| Inspectors | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Kevin Sullivan | sullseptic@aol.com |
| Engineers | Jeff Davis Engineering, LLC | (303) 674-2224 | Evergreen | Jeff J. Davis | mjdavis@wispertel.net |
| Installers | Tundra Septic & Excavating | (303) 747-1013 | Allenspark | Joanna L. Goud | tundraexcavating@gmail.com |
| Engineers | Alliance Consulting | (720) 625-1571 | Arvada | David E Moore | demoorepe@allianceengineer.com |
| Installers | Budhoe's Backhoe, LLC | (303) 877-5267 | Jamestown | Albert Kihm Jr. | budhoe@gmail.com |
| Engineers | Alles Taylor & Duke, LLC | (970) 330-0308 | Evans | Mark A Taylor | alles_taylor_duke@yahoo.com |
| Installers | Cap Excavating | (303) 772-2279 | Longmont | Kyle Braly | kyle@capexcavating.com |
| Installers | Hel-Digger Water & Sewer, LLC | (303) 619-4397 | Henderson | Rob Helvig | heldiggerllc@gmail.com |
| Installers | Nixcavating, Inc | (303) 776-8898 | Longmont | R. Scott Nix | sara@nixcavating.com |
| Engineers | 5280 Septic, LLC | (303) 437-1027 | Denver | Annette Martin | 5280septic@gmail.com |
| Engineers | Earth Engineering, Inc | (970) 775-2004 | Windsor | Michael J. Coley | mikec@earthengineeringcompany.com |
| Cleaners | NoCo Septic, Inc | (720) 899-8749 | Longmont | Scott Kapala | scott@nocoseptic.com |
| Inspectors | NoCo Septic, Inc | (720) 899-8749 | Longmont | Scott Kapala | scott@nocoseptic.com |
| Installers | Grein Excavating, LLC | (303) 659-5295 | Brighton | Michael Grein | greinexcavating@gmail.com |
| Installers | High Altitude Backhoe Services | (303) 459-0478 | Ward | Jesse Farmer | jfbackhoeserv@gmail.com |
| Installers | NoCo Septic, Inc | (720) 899-8749 | Longmont | Scott Kapala | scott@nocoseptic.com |
| Engineers | Insight Engineering, Inc | (303) 929-4272 | Evergreen | Drew Schneider | drew@insightengineering.org |
| Engineers | Amec Foster Wheeler | (303) 975-2195 | Denver | Raymond D Hamilton | ray.hamilton@amecfw.com |
| Installers | Mountain Island Construction | (303) 588-4165 | Nederland | David Taylor | mtn.isl.construction@gmail.com |
| Inspectors | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Cody Lehl | sullseptic@aol.com |
| Inspectors | Sullivan Septic, LLC | (303) 772-4019 | Longmont | Krystal Lehl | sullseptic@aol.com |
| Inspectors | Tundra Septic & Excavating | (303) 747-1013 | Allenspark | Joanna L. Goud | tundraexcavating@gmail.com |
| Installers | Bioterra Constructors | (303) 579-3569 | Boulder | Philip Hollimon | bjcom17@comcast.net |
| Installers | 2D Enterprises, LLC | (303) 638-2772 | Ft Lupton | Steve Dickinson | 2denterpisesllc@live.com |
| Engineers | Sorensen Engineering & Construction, LLC | (970) 590-1579 | Ft Collins | Paul Sorensen | paul@secengineering.net |
| Installers | Next Level Excavation, LLC | (970) 215-4444 | Estes Park | Scott Miller | scott@nlexcavation.com |
| Installers | Cap Excavating, Inc | (303) 772-2279 | Longmont | Dylan Braly | dylan@capexcavating.com |
| Installers | Black Diamond Excavating | (303) 601-4216 | Black Hawk | Steven Grapes | blackdiamondexcavation@gmail.com |
| Installers | High Plains Excavation & Haulin | (970) 308-4666 | Estes Park | Wendy Adams | crazycora@icloud.com |
| Installers | Jones Excavating & Plumbing | (970) 532-2620 | Berthoud | Josh Jones | jonesexgeo@gmail.com |
| Installers | Upland Construction & Development, LLC | (303) 641-7510 | Boulder | Alex Nelson | alex@uplandbuilt.com |
| Installers | Afford-A-Rooter | (303) 269-1168 | Westminster | Zac Harvey | denversewerandwater@gmail.com |
| Inspectors | Afford-A-Rooter | (303) 269-1168 | Westminster | Zac Harvey | denversewerandwater@gmail.com |
| Inspectors | Jones Excavating & Plumbing | (970) 532-2620 | Berthoud | Josh Jones | jonesexgeo@gmail.com |
| Installers | Douglas County Septic | (303) 791-7716 | Franktown | Scott Kellogg | customerservice@douglascountyseptic.com |
| Installers | Jake of All Trades Contracting | (303) 808-4490 | Golden | Jake Gould | joatcco@hotmail.com |
| Installers | Boonstra Excavation, LLC | (970) 278-6151 | Loveland | Stephen Boonstra | boonstraexcavation@yahoo.com |
| Inspectors | Suc N Up, LLC | (303) 641-7675 | Longmont | Craig Cheney | craigcheney87@outlook.com |
| Engineers | Sunshine Engineers, LLC | (720) 248-7434 | Boulder | William Close | william@sunshine-engineers.com |
| Cleaners | Black Diamond Pumping | (303) 720-0401 | Ft Lupton | Bradley Billinger | blackdiamondpumping@gmail.com |
| Inspectors | Black Diamond Pumping | (303) 720-0401 | Ft Lupton | Bradley Billinger | blackdiamondpumping@gmail.com |
| Cleaners | Suc N Up, LLC | (303) 641-7675 | Longmont | Craig Cheney | info@sucnup.com |
| Installers | Gopher Excavation, Inc | (970) 532-1112 | Berthoud | William Suits | gopherexc@hotmail.com |
| Installers | Open Range Services | (970) 306-9790 | Greely | Jerry Larson | jerry@openrangeservicesinc.com |
| Installers | Mountain View Construction of Estes Park | (303) 747-2248 | Allenspark | Brian Donahue | tahosa.ranch@gmail.com |
| Installers | Haystack Custom Ag.& Septic Service, LLC | (303) 827-4988 | Longmont | Kyle Rovnak | kyle.rovnak@gmail.com |
| Installers | Hardt's Backhoe Service | (303) 589-9354 | Rollinsville | Chris Hardt | chriscat420d@aol.com |
| Installers | Harely Keeter Jr Trucking, Inc | (303) 442-2131 | Boulder | Michael Love | info@keeter.com |
| Installers | K2 Excavation | (970) 302-6899 | Berthoud | Arden Krey | arden@k2excavation.com |
| Installers | Power Earth | (303) 449-7014 | Boulder | Chris Loven | powerearth@q.com |
| Installers | High Performance Earthworks | (720) 514-9817 | Nederland | Jesse Seavers | office@highperformanceearthworks.com |
| Inspectors | K2 Excavation | (970) 302-6899 | Berthoud | Arden Krey | arden@k2excavation.com |
| Inspectors | Foothills Septic Pumping | (303) 670-3160 | Golden | Nathaniel Waters | foothillsseptic@comcast.net |
| Cleaners | Foothills Septic Pumping | (303) 670-3160 | Golden | Victor Juarez | foothillsseptic@comcast.net |
| Inspectors | Colorado Septic | (720) 514-9703 | Nederland | Robert Broadwell | coloradoseptic@gmail.com |
| Cleaners | Colorado Septic | (720) 514-9703 | Nederland | Robert Broadwell | coloradoseptic@gmail.com |
| Installers | Foothills Excavation, Inc | (303) 444-3019 | Boulder | Ernest Barnes | sjbarnes04@aol.com |
| Installers | LPC | (303) 828-0805 | Erie | Mario Sanchez | kcfarrer@hotmail.com |
| Cleaners | Gapter Septic Pumping & Services, LLC | (303) 506-1593 | Boulder | Collin Gapter | gapterpumping@gmail.com |
| Inspectors | Gapter Septic Pumping & Services, LLC | (303) 506-1593 | Boulder | Collin Gapter | gapterpumping@gmail.com |
| Installers | Lion Home Service | (970) 556-0544 | Ft Collins | Mark Lancaster | mlancaster@lionhomeservice.com |
| Inspectors | Lion Home Service | (970) 556-0544 | Ft Collins | Mark Lancaster | mlancaster@lionhomeservice.com |
| Cleaners | Lion Home Service | (970) 556-0544 | Ft Collins | Mark Lancaster | mlancaster@lionhomeservice.com |
| Installers | Commonwealth Construction | (303) 243-2298 | Boulder | Matthew Morgan | matthew@cwsexcavating.com |
| Installers | RST Services, LLC | (720) 346-8279 | Longmont | Tucker Pattridge | rstservicesllc@outlook.com |
| Installers | Len's Excavating, Inc | (303) 956-1305 | Arvada | Justin Cole | justin@lenexc.com |
| Installers | Mountain Contracting, LLC | (303) 888-3580 | Black Hawk | Matt Tarpill | mountaincontractingllc@gmail.com |
| Installers | Precision Excavation | (720) 461-7951 | Nederland | Bryan Tarpill | bryantarpill@gmail.com |
| Engineers | Innovative Process Engineering, PLLC | (720) 775-0076 | Monument | Ronald P LeBlanc | ron@ipepllc.com |
| Engineers | GeoMet Engineering, Inc | (209) 712-2168 | Boulder | Ryne Mettler | mettler@geometengineering.com |
| Installers | Doone Brothers Sewer & Septic Services | (303) 885-8941 | Arvada | Seamus Doone | doonebros@gmail.com |
| Installers | Dig Deep Excavation | (719) 492-9424 | Colorado Springs | Travis Gurule | manager@digdeepcolorado.com |
| Cleaners | United Rentals (North America) INC dba Reliable Onsite Services | (303) 286-4394 | Denver | Jeffrey Walker | jwalker5@ur.com |
| Engineers | RMG Engineers | (719) 434-5638 | Colorado Springs | David G Walker | dwalker@rmg-engineers.com |
| Installers | Ray's Backhoe Service | (303) 589-0117 | Longmont | Ray Lamb | ray@raysbackhoeservice.com |
| Cleaners | The Terd-inator, LLC | (720) 234-2499 | Fort Lupton | Steve Helvig | s.helvig@me.com |
| Inspectors | The Terd-inator, LLC | (720) 234-2499 | Fort Lupton | Steve Helvig | s.helvig@me.com |
| Cleaners | Kuyper's Septic, Inc | (970) 405-3343 | Loveland | Clint Kuyper | kuypersseptic@gmail.com |
| Installers | Cowbell Construction | (970) 948-6896 | Boulder | Matthew Legg | cowbellconstruction@gmail.com |
| Installers | Hastings Brothers Construction | (303) 907-7861 | Denver | Seth Sutton | seth@hastingsbrothers.com |
| Installers | Falconer & Sons Excavation, LLC | (303) 747-0565 | Allenspark | Greg Falconer | gfalconerexcavation@gmail.com |
| Installers | Meyers Services | (720) 431-8730 | Black Hawk | Jeramy Meyers | jeramy@meyersservices.co |
| Installers | Grapes & Sons Excavating, Inc | (303) 582-1131 | Black Hawk | Holly Grapes | bhgrapes@gmail.com |
| Installers | Dig Excavation, Inc | (720) 276-1737 | Nederland | Brandon Ralph | brandonralph@digboulder.com |
| Inspectors | Falconer & Sons Excavation, LLC | (303) 747-0565 | Allenspark | Greg Falconer | gfalconerexcavation@gmail.com |
| Installers | JNJ Enterprises | (303) 549-5237 | Lafayette | Joh DiDomenico | d681952@aol.com |
| Installers | Quintana Excavation, Inc | (720) 614-2862 | Federal Heights | Jamie Quintana | jamiequintana0@gmail.com |
| Installers | Peak Plumbing | (970) 673-6025 | Timnath | Jacob Smyth | jacob@peak-plumbing.com |
| Installers | Eddie Stark, LLC | (720) 641-0393 | Wheat Ridge | Eddie Stark | colbybeast@hotmail.com |
| Installers | American Sewer and Utilities | (970) 420-5086 | Loveland | Eric Hopkins | amsewer.repair@gmail.com |
| Installers | Big Dog Excavation, Inc | (970) 576-9961 | Kersey | Mana Kaia | bigdogexcavation16@yahoo.com |
| Cleaners | Afford-A-Rooter | (303) 269-1168 | Westminster | Zac Harvey | info@affordarooter.com |
| Inspectors | Suc N Up, LLC | (720) 289-6210 | Longmont | Sarah Hubbard | info@sucnup.com |
| Inspectors | Suc N Up, LLC | (720) 289-6210 | Longmont | Mary Meyers | info@sucnup.com |
| Installers | Moose and Bear Construction, LLC | (970) 889-1643 | Loveland | Robert Saffell | mooseandbearconstruction@gmail.com |
| Installers | Evergreen Excavating & Tree Service, LLC | (720) 272-4695 | Evergreen | Todd Hanson | hgexcavating2@msn.com |
| Installers | ReCo Multiservices, LLC | (720) 296-8197 | Denver | Carlos Moreno | recomultiservices@gmail.com |
| Installers | McMahon Construction, LLC | (720) 774-0021 | Ft. Lupton | Mike McMahon | builders3210@gmail.com |
| Installers | Stinson Dirtwork | (720) 588-3478 | Lakewood | David Stinson | stinson.d@gmail.com |
| Inspectors | Suc N Up, LLC | (720) 289-6210 | Longmont | Maria Pearson | info@sucnup.com |
| Inspectors | Suc N Up, LLC | (720) 289-6210 | Longmont | Lacey Walker | info@sucnup.com |
| Installers | Mark A Bahrijczuk | (440) 237-5909 | Ward | Mark Bahrijczuk | finecraftbldg@gmail.com |
| Inspector | Lukas Kuyper | (970) 691-7689 | Loveland | Lukas Kuyper | lkuyper97@gmail.com |
| Installers | Dusty's Dirtworks, LLC | (970) 749-1903 | Windsor | Dusty Neil | dusty@dustysdirtwork.com |
| Installers | Wayne's Dirt Work, Inc | (970) 222-4357 | Bellvue | Wayne Kontz | waynesdirtwork@gmail.com |
| Installers | Fractal, LLC | (303) 960-9224 | Golden | Zach Kessler | zach@fractalgc.com |
| Installers | Derek Blaha | (303) 775-2810 | Longmont | Derek Blaha | derekblaha0413@gmail.com |
| Installers | JPJ Enterprizes | (720) 272-7177 | Berthoud | John Jacob | jpjenterprizesjohn@gmail.com |
| Installers | A Perfect Flush DBA Suc N Up, LLC | (720) 289-6210 | Longmont | Craig Cheney | info@sucnup.com |
| Engineers | 285 Engineering, Inc | (720) 515-1781 | Conifer | Jennifer Migliorato | jennifer@285engineering.com |
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