Construction trade companies in Columbia, MD 21045
3 construction trade companies, with local market data for this ZIP.
General contractors 25Roofing and exteriors 12Remodeling 9HVAC 5Electricians 5Garage doors 4Carpentry, drywall and windows 3Other construction trades 3Concrete and masonry 2Painting 1
Area profitability, other construction trades69 / 100Strong market, balanced field
Typical home value$476,000+0.5% in the past year
New homes permitted, 2025728Howard County
Homeowners68.3%15,368 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Capitol Sprinkler IncConstruction trade company · 6550 Dobbin Rd, Columbia(410) 730-4711 · capitolsprinkler.com
The Vertical Connection IncConstruction trade company · Columbia(410) 730-7423 · 2 drivers, 1 truck
Thornton Home Improvement IncConstruction trade company · Columbia(410) 235-8482 · 2 drivers, 3 trucks
Other construction trades in ZIP 21045 at a glance
Local building angle: Howard County permitted 728 new homes in 2025, including 379 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.