Roofing
Certified CertainTeed installer. Architectural shingles, metal, and storm-damage repair built to last.
Licensed & Insured · MHIC #164034 · Greater Baltimore, MD
Exterior remodeling, done right the first time.
Roofing, siding, windows, gutters, decks, and garage doors. A+ BBB accredited, Angi's Super Service Award winner, certified ProVia & CertainTeed installer.
0% down financing available
Angi's Super Service Award 2 years running
A+ BBB Accredited · Licensed & Insured
ProVia & CertainTeed Certified
What we do
Every exterior project, under one roof.
One crew, one point of contact, one standard of work — from the shingles down to the garage door.
Siding
Certified CertainTeed installer. Vinyl and James Hardie fiber-cement — full tear-offs done clean.
Windows & Doors
Certified ProVia installer. Energy-efficient windows and entry doors in every style and frame.
Gutters
Seamless aluminum gutters, downspouts, and leaf protection installed right.
Decks
Composite and pressure-treated decks designed for the way you live outside.
Garage Doors
Beautiful, insulated garage doors that boost curb appeal and energy efficiency.
How it works
A simple, honest process.
No high-pressure tactics, no surprise change orders. Just clear pricing and clean work.
01
Free on-site estimate
We come out, measure, and give you a real number — usually within 48 hours.
02
Beat-the-quote pricing
Bring us any competitor's written estimate and we'll go 20% under it.
03
Crews on the calendar
Our own crews — not subs — show up on the day we promised and finish the job clean.
Our credentials
Why Maryland homeowners trust A. Contracting.
Awards and certifications aren't just badges — they're proof we do what we say we'll do.
Angi's Super Service Award
Recognized as a top-rated contractor two years in a row for outstanding customer service and quality workmanship.
A+ BBB Accredited
Accredited by the Better Business Bureau with our highest rating. We resolve every concern — no exceptions.
Certified Installer
Certified ProVia installer for doors and windows. Certified CertainTeed installer for roofing and siding systems.
Financing Available
0% down financing options
Start your exterior project today with $0 down payment plans. We work with trusted lenders to make quality home improvements affordable.
What homeowners say
Built on Maryland word-of-mouth.
Hundreds of exteriors later, our reputation is still the thing we work hardest to protect.
5.0
Angi rating
Super Service Award
A+
BBB rating
Accredited business
100%
Licensed & insured
MHIC #164034
Roofing
"They tore off our old roof, replaced everything, and were gone by Friday. Cleaner than they found it."
Megan R.
Towson, MD
Siding
"Got three quotes. A. Contracting beat the lowest by a real margin and the siding looks incredible."
Dan & Priya S.
Bel Air, MD
Windows & Gutters
"New windows, new front door, new gutters. Crew was respectful and the work is just clean."
Frank D.
Catonsville, MD
Decks
"Honest estimate, no pressure, and they hit the timeline they promised. Our deck turned out beautiful."
Sarah K.
Parkville, MD
Roof & Siding
"Financing made it possible to do the whole house at once. So glad we didn't piece it out."
Marcus T.
Owings Mills, MD
Garage Door
"From the first call to the final walk-through, they did exactly what they said they would. Highly recommend."
Linda H.
Cockeysville, MD
Reviews shared with homeowner permission. Names abbreviated for privacy.
Ready for the best-looking house on the block?
Tell us about your project. We'll come out, walk it with you, and put a real number on paper.