Boulder County · DORA · checked Nov 5, 2026
Engineers, architects & surveyors in Boulder County
1,228 active licenses with an address of record in Boulder County: 832 Professional Engineer, 360 Architect, 36 Professional Land Surveyor. Claimed listings first, then A–Z.
- Active licenses
- 1,228
- Professional Engineer
- 832
- Architect
- 360
- Checked
- Nov 5, 2026
All engineers in Boulder County · page 5 of 5
1,228 listings · showing W–Z
Professional Engineer · BoulderWilliam Bernard KrantzLic. #PE-11630Since 1973Active · checked Nov 5, 2026Professional Engineer · LafayetteWilliam Bernard KrollLic. #PE-55194Since 2018Active · checked Nov 5, 2026Professional Engineer · LongmontWilliam Carl FoxLic. #PE-27012Since 1990Active · checked Nov 5, 2026Professional Engineer · LyonsWilliam D Palmer JrLic. #PE-32542Since 1998Active · checked Nov 5, 2026Professional Engineer · LongmontWilliam Frank WilkinsonLic. #PE-16390Since 1979Active · checked Nov 5, 2026Architect · BoulderWilliam Grant HolickyLic. #ARC-203569Since 2001Active · checked Nov 5, 2026Professional Engineer · LafayetteWilliam Irving CowernLic. #PE-31057Since 1996Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam John HogreweLic. #PE-26731Since 1990Active · checked Nov 5, 2026Professional Land Surveyor · NiwotWilliam Kurt WrightLic. #PLS-23529Since 1985Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam Loyal HayesLic. #PE-31679Since 1997Active · checked Nov 5, 2026Professional Engineer · SuperiorWilliam Nathan GreggLic. #PE-48605Since 2014Active · checked Nov 5, 2026Architect · LouisvilleWilliam Nelson WardLic. #ARC-202877Since 1992Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam R GaskinsLic. #PE-68263Since 2026Active · checked Nov 5, 2026Architect · LafayetteWilliam Robert CampbellLic. #ARC-404455Since 2016Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam Robert HoweLic. #PE-30554Since 1995Active · checked Nov 5, 2026Professional Engineer · LouisvilleWilliam Robert ManningLic. #PE-44347Since 2010Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam Shaw NaboursLic. #PE-51818Since 2016Active · checked Nov 5, 2026Professional Engineer · LouisvilleWilliam W HowardLic. #PE-27109Since 1990Active · checked Nov 5, 2026Professional Engineer · LouisvilleWilliam W WhiteLic. #PE-18226Since 1981Active · checked Nov 5, 2026Professional Engineer · BoulderWilliam W. LockeLic. #PE-34650Since 2000Active · checked Nov 5, 2026Professional Engineer · LouisvilleWyatt K ReisLic. #PE-59378Since 2021Active · checked Nov 5, 2026Professional Engineer · LouisvilleXavier Torrents CagigosLic. #PE-62669Since 2023Active · checked Nov 5, 2026Professional Engineer · SuperiorXia FangLic. #PE-39750Since 2005Active · checked Nov 5, 2026Architect · LyonsYael Ann NyholmLic. #ARC-203587Since 2001Active · checked Nov 5, 2026Architect · BoulderYvonne Rosemary FivianLic. #ARC-400840Since 2006Active · checked Nov 5, 2026Professional Engineer · BoulderZachary A TwistLic. #PE-67634Since 2025Active · checked Nov 5, 2026Professional Engineer · LafayetteZachary John StormantLic. #PE-62055Since 2023Active · checked Nov 5, 2026Professional Engineer · LafayetteZachary Levi RogersLic. #PE-40316Since 2006Active · checked Nov 5, 2026
Only active licenses are shown. Source: Colorado Department of Regulatory Agencies (DORA), checked Nov 5, 2026. Not on the list? Try search or the official lookup, which also shows any enforcement history.