General contractors in Conowingo, MD 21918

8 general contractors, with local market data for this ZIP.

Area profitability, construction53 / 100Moderate market, crowded field
Typical home value$400,000+2.4% in the past year
New homes permitted, 2025142Cecil County
Homeowners88.6%1,608 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Co-Heir Crane ServicesConstruction company · 27 Deer Park Dr, Conowingo(443) 417-6650 · coheircraneservices.com · 1 driver, 1 truck
Eldreth Gravel PitGeneral contractor · 476 Conowingo Rd, Conowingo(410) 378-4768 · porch.com
Lancaster Pa Shed BuildersConstruction company · 306 Conowingo Rd, Conowingo(410) 378-8200 · lancasterpashedbuilders.com
R & R Porcelain RefinishingGeneral contractor · 67 Martin Rd, Conowingo(410) 378-3790 · kp.org
B&L Welding LLCGeneral contractor · 385 Mt Zoar Rd, Conowingo(410) 378-0788
Brooks Welding and FabricationGeneral contractor · 750 Bell Manor Rd, Conowingo(443) 800-2833
Eldreth Construction IncConstruction company · Conowingo(410) 378-4314 · 2 drivers, 5 trucks
Ethic ConstructionConstruction company · Conowingo(410) 658-8500 · 1 driver, 1 truck

Construction in ZIP 21918 at a glance

Local building angle: Cecil County permitted 142 new homes in 2025. 24% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.