Contractors in Jefferson, CO
Jefferson contractors at a glance
Jefferson accounts for 13 of the contractor profiles in our Colorado records, ranking 245th statewide, 10 of them with a lapsed license. Active licenses: 3 of 13 (23%). The statewide rate in our data is 54%.
Most of the Jefferson list is made up of DORA-licensed tradespeople, specifically 10 electrical licenses (2 masters, 3 journeymen, 1 residential wireman) and 3 plumbing licenses (1 master, 2 journeymen).
| Contractor profiles | 13 |
| Active license on file | 3 (23%) |
| Expired license | 10 |
| Electrical licenses (active) | 10 (3) |
| Plumbing licenses (active) | 3 (0) |
| State board discipline flags | 0 |
| Median first-license year | 1993 |
| ZIP codes | 1 |
HomeProFax profiles with a Jefferson address, built from DORA electrical and plumbing rosters, the Aurora, Arvada and Thornton contractor license lists, Colorado Secretary of State filings and Boulder/Denver open permit data. Counts as of Oct 24, 2026.
Rather than checking each agency yourself, ask the contractor for their verified HomeProFax report. It covers license, discipline, permits and business standing in one link.
Licensing in Jefferson
Colorado licenses electricians and plumbers statewide through the DORA State Electrical Board and the DORA State Plumbing Board. General contractors, roofers and HVAC contractors are licensed, if at all, by the local city or county. We haven't verified Jefferson's local rules yet, so check with the building department before you hire. Most Jefferson ZIP codes in our data are in Park County, so the city or Park County building department is where to ask.
Jefferson contractor list
13 profiles, ranked by HomeProFax score.
Get matched with top-scored pros in Jefferson →
Master ElectricianActive license Score 73 License record Score based on limited dataDUNAV Electric Corp.
Electrical ContractorActive license Score 73 License record Score based on limited dataJames Brandon Lewis
Journeyman ElectricianActive license Score 73 License record Score based on limited dataApoyotec (Reim Electric)
Electrical ContractorLicense expired Score 50 Limited data Score based on limited dataDerick Anthony Davis
Journeyman PlumberLicense expired Score 50 Limited data Score based on limited dataEiger Electric LLC
Electrical ContractorLicense expired Score 50 Limited data Score based on limited dataIllum & Associates
Electrical ContractorLicense expired Score 50 Limited data Score based on limited dataJohn M. Coots
Residential WiremanLicense expired Score 50 Limited data Score based on limited dataJohn M. Mcwherter
Journeyman ElectricianLicense expired Score 50 Limited data Score based on limited dataKenneth J Florian
Journeyman PlumberLicense expired Score 50 Limited data Score based on limited dataMichael D Hernandez
Master PlumberLicense expired Score 50 Limited data Score based on limited dataPaul S Reim
Master ElectricianLicense expired Score 50 Limited data Score based on limited dataTyler Carlton Washichek
Journeyman ElectricianLicense expired Score 50 Limited data Score based on limited data
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Jefferson contractor FAQ
How many contractors are listed in Jefferson, CO?
HomeProFax lists 13 contractor profiles with a Jefferson business address. 3 (23%) show an active license on file and 10 show an expired one. 10 hold electrical licenses and 3 hold plumbing licenses.
Who licenses contractors in Jefferson, Colorado?
Electricians and plumbers need Colorado DORA licenses everywhere in the state. For general contractors, roofers and HVAC firms, check with the Jefferson or Park County building department, because those trades are licensed locally.
How do I verify a contractor in Jefferson quickly?
Ask the contractor for their verified HomeProFax report. It puts their license status, any board discipline, permits on file and Secretary of State standing on one page with sources. You can also search any business free on HomeProFax.com.