Harford & Baltimore Counties Most Trusted Roofing Contractor for over 40 Years!
No gimmicks, no pressure — just honest evaluations, quality workmanship, and a team you can trust.
Licensed & Insured | 5-Star Rated | Local & Family-Owned
Why Homeowners Choose G. J. Goss
Quality Work That Lasts
We use trusted materials and proven installation methods to ensure your home is protected for years to come.
No Pressure Estimates
We believe in transparency — no gimmicks, no upsells, just straightforward pricing you can trust.
Fast, Reliable Service
From inspections to full replacements, we show up on time and get the job done right.
Our Services
Complete exterior solutions to protect and improve your home.
Not sure what you need? We’ll take a look.
Roofing
GAF roofing systems installed for lasting protection and curb appeal.
Siding
CertainTeed siding installed for beauty, durability, and efficiency.
Gutters
Seamless gutter installation plus Raytec and Champion gutter covers.
Replacement Windows
ProVia replacement windows installed for comfort, style, and savings.
Chimney Repair
Professional chimney repairs and masonry restoration to protect your home.
Storm Damage
Fast, reliable repairs for wind, hail, and storm damage.
A Local Company Built On Trust
For over 40 years, G.J. Goss Contracting, Inc. has helped homeowners protect and improve their homes with dependable service, quality workmanship, and honest pricing.
What Homeowners Are Saying
See why homeowners across Maryland and Southern Pennsylvania trust G.J. Goss for roofing, siding, gutters, and windows.