HVAC companies in Longmont, CO 80503
1 HVAC companies, with local market data for this ZIP.
General contractors 25Concrete and masonry 6Roofing and exteriors 5Excavation and demolition 4Remodeling 2Electricians 1Painting 1HVAC 1Garage doors 1Other construction trades 1
Area profitability, HVAC78 / 100Strong market, balanced field
Typical home value$727,000+0.1% in the past year
New homes permitted, 20252,001Boulder County
Homeowners66.1%15,011 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
KJ Thomas MechanicalHVAC contractor · 6175 Trevarton Dr, Longmont(303) 435-8141 · kjtmechanical.com
HVAC in ZIP 80503 at a glance
Local building angle: Boulder County permitted 2,001 new homes in 2025, including 1,534 apartment units. 33% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.