Headquartered in Cambridge, MD

Cambridge, Maryland's #1 Roofing & Exterior Contractor

Updated March 2026

Owens Corning Platinum Preferred · BBB A+ · $250,000 Directorii Guarantee

Precision Exteriors is headquartered right here in Cambridge at 118 Riverside Dr — making us the closest, fastest-responding, and most familiar roofing and exterior contractor in Dorchester County. Every project backed by a 50-year Owens Corning Platinum warranty and an independent $250,000 Directorii Guarantee.

118 Riverside Dr

Our Cambridge Headquarters

< 10 min

Response to any Cambridge address

Hundreds

Projects completed in Cambridge

24-Hour

Emergency storm damage response

Roofing in Cambridge

Complete roof replacement ($8,000–$25,000), emergency roof repair (from $300, fastest response in Cambridge — we're right here), and our Shore Protection Tune-Up annual maintenance program. Cambridge homes along the Choptank River face accelerated shingle wear from salt air and humidity — we recommend Owens Corning Duration shingles with SureNail (130 mph wind resistance) and StreakGuard algae protection for most Cambridge homes. Waterfront properties benefit from standing seam metal roofing (140+ mph, 40–70 year lifespan). Every Cambridge roofing project includes our Platinum Protection warranty: 50-year material, 25-year workmanship.

Siding in Cambridge

Vinyl ($10,000–$15,000), James Hardie fiber cement ($15,000–$22,000), LP SmartSide ($11,000–$18,000), and natural cedar ($18,000–$28,000) siding for Cambridge homes. The Choptank River humidity makes material selection critical — we've tracked 180+ vinyl installations and 130+ fiber cement installations across the Eastern Shore with zero moisture failures. For Cambridge's historic district homes, we offer cedar and fiber cement options that maintain period-appropriate aesthetics.

Windows & Doors in Cambridge

Energy-efficient ProVia, Andersen, and Pella replacement windows that reduce Cambridge homeowners' energy bills by up to 40%. Vinyl frames recommended for Cambridge's humid, salt-influenced air — they resist corrosion and never need painting. ProVia certified entry door and patio door installation. Window replacement from $450/window. Entry doors from $1,500.

Gutters in Cambridge

Seamless aluminum gutters custom fabricated on-site at your Cambridge property. Commercial-grade hidden hangers spaced every 24 inches. Leaf guard systems to handle Cambridge's heavy oak, pine, and sweetgum tree debris. From $1,200.

Decking & Fencing in Cambridge

Trex and TimberTech composite decks (25-year warranty, zero maintenance) and vinyl privacy fences for Cambridge homeowners. Composite decking resists the Choptank River humidity that destroys wood decks within years. Decks from $8,000. Fences from $3,000.

Cambridge City

• • Historic Downtown (High Street, Race Street, Poplar Street)
• • Choptank Riverfront properties
• • Pine Street / Glasgow Street area
• • Cambridge Waterfront (Long Wharf, Sailwinds Park area)
• • Hospital area (UM Shore Medical Center at Dorchester)
• • Route 50 corridor
• • West End / Crusader Road area
• • Cambridge South / Sunburst Highway area

Greater Cambridge / Dorchester County

• • Church Creek — 10 min (Harriet Tubman NHP area)
• • Secretary — 20 min (Nanticoke River)
• • East New Market — 10 min (Historic district)
• • Hurlock — 15 min
• • Vienna — 25 min (Nanticoke River)
• • Woolford — 15 min (Blackwater area)
• • Taylors Island — 25 min (Bay exposure)
• • Dorchester County — Full coverage

Choptank River Humidity

Cambridge's proximity to the Choptank River keeps summer humidity at 75–85%, creating ideal conditions for Gloeocapsa magma algae — the organism that causes black streaks on roofs. Untreated shingles develop visible streaks within 3–7 years in Cambridge. Owens Corning Duration shingles with StreakGuard copper granules prevent this for the life of the shingle.

Salt Air Exposure

Prevailing winds carry Chesapeake Bay salt air upriver to Cambridge, accelerating corrosion of metal flashing, fasteners, and vents. Standard galvanized fasteners corrode in 5–7 years in Cambridge's salt zone. We use upgraded fasteners and flashing materials on all Cambridge installations.

Coastal Storm Exposure

Nor'easters funnel up the Chesapeake Bay and into the Choptank River corridor, delivering sustained high winds directly into Cambridge. Summer thunderstorms intensify over the warm Bay waters before reaching shore. Owens Corning Duration's SureNail Technology provides 130 mph wind resistance — well above what most Cambridge storms deliver.

Historic Home Considerations

Cambridge's historic district and older neighborhoods contain homes built from the early 1800s through the mid-1900s. These homes often have steep pitches, complex rooflines, and aging structural systems. We assess decking and framing condition before every Cambridge replacement and recommend period-appropriate materials (cedar shake, architectural shingles in traditional colors) for homes in the historic areas.