General contractors in Duncannon, PA 17020
8 general contractors, with local market data for this ZIP.
General contractors 8Excavation and demolition 1Concrete and masonry 1HVAC 1Other construction trades 1Electricians 1
Area profitability, construction54 / 100Moderate market, balanced field
Typical home value$289,000+3.9% in the past year
New homes permitted, 2025127Perry County
Homeowners80.9%3,583 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Buffalo Valley BuildersConstruction company · 416 Roseglen Rd, Duncannon(717) 636-5273 · buffalovalleybuilders.com
Marstellar Oil and ConcreteGeneral contractor · 2011 State Rd, Duncannon(717) 834-6200 · marstellaroilconcrete.com · 41 drivers, 53 trucks
Vintage CastGeneral contractor · 48 Benvenue Rd, Duncannon(717) 834-3131 · vintagecast.com · 1 driver, 1 truck
AB ConstructionGeneral contractor · 29 S Market St, Duncannon(717) 834-3500
Hardamax Welding & Mechanical LLCGeneral contractor · 113 Cook Rd, Duncannon(717) 982-1225 · 4 drivers, 1 truck
Keystone Contracting IncConstruction company · Duncannon(717) 834-9900 · 6 drivers, 8 trucks
Mcnaughton Construction Company LLCConstruction company · Duncannon(717) 834-5584 · 3 drivers, 2 trucks
Winters Construction IncConstruction company · Duncannon(717) 576-6476 · 4 drivers, 4 trucks
Construction in ZIP 17020 at a glance
Local building angle: Perry County permitted 127 new homes in 2025. 17% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.