Concrete coatings in Washington, District of Columbia
Washington garages, basements and patios, finished in one day
D.C. rowhouses and older homes often have basements and rear garages that have never had a proper floor. We prep and coat them carefully, working around tight alley access and old concrete, so the space finally feels finished.
The Mid-Atlantic gives concrete a little of everything: nor’easters, brined roads, freeze-thaw winters and hot, sticky summers. Older basements in the area are prone to dampness and white efflorescence, and garages take a beating every winter. Our polyurea basecoat and UV-stable polyaspartic topcoat are built for exactly that mix.
Every Washington project starts with a free in-home estimate: we measure, check the slab, show you flake colors in your own light and give you a written quote. Most garages are finished in one day, and every floor is backed by our 15-year warranty. Call 888-899-9289 or use the form above to get started.
Communities we serve around Washington
- Washington
Concrete floors in Washington: what the local numbers say
Real figures for the 26 ZIP codes we serve around Washington, and what they mean for a garage or basement floor.
- 361,014homes in our Washington service area
- 1958median year homes were built
- 69%built before 1980
- 53freeze-thaw days a year
- 13.7″of snow a year
When Washington-area homes were built
Half of the 361,014 homes in our Washington service area were built before 1958. That’s an older housing stock: 69% of homes here went up before 1980. Slabs that age usually have hairline cracks, pitting, old paint or sealer and some settling. We grind and repair all of it before any coating goes down, because a coating is only as good as the concrete under it.
11% of homes here are single-family detached houses, the kind that usually come with a driveway, a garage or both.
What winter does to a floor in Washington
Average monthly snowfall, Reagan National Airport
The Reagan National Airport, the closest long-record weather station to Washington, averages 13.7 inches of snow and 60 nights below freezing a year. On about 53 days a year the temperature here drops below freezing overnight and climbs back above it during the day. Each of those swings lets meltwater and road salt soak into bare concrete, freeze and expand. That’s what causes the flaking and pitting you see on uncoated garage floors around Washington. A polyurea basecoat seals the surface, so water and salt sit on top where you can squeegee them out the door.
Floors we finished around Washington
A few of the jobs our crews completed in this area in the past year.
- GarageDale City, VA446 sq. ft. · Orbit flake · Oct 2026
- GarageGlenn Dale, MD440 sq. ft. · Wombat flake · Oct 2026
- GarageLaurel, MD328 sq. ft. · Creekbed flake · Oct 2026
- PatioGaithersburg, MD355 sq. ft. · Tidal Wave flake · Oct 2026
- BasementAlexandria, VA209 sq. ft. · Cabin Fever flake · Aug 2026
ZIP codes we serve around Washington
Show all 26 ZIP codes
20001, 20002, 20003, 20004, 20005, 20006, 20007, 20008, 20009, 20010, 20011, 20012, 20015, 20016, 20017, 20018, 20019, 20020, 20024, 20032, 20036, 20037, 20052, 20059, 20317, 20373
Nearby areas we serve
Floor coating questions from Washington homeowners
Do you install concrete floor coatings in Washington?
Yes. Comer & Cross crews coat garages, basements, patios and driveways across the Washington area, including Washington. We cover 26 ZIP codes around Washington, and every job starts with a free in-home estimate.
Will a floor coating hold up to Washington winters?
Yes, if it’s the right system. The Reagan National Airport weather station averages 13.7 inches of snow and about 53 freeze-thaw days a year. Rigid epoxy tends to crack and peel under that, which is why we use a flexible polyurea basecoat and a polyaspartic topcoat, bonded to diamond-ground concrete. Every floor comes with our 15-year warranty.
My Washington house is older. Can you still coat the garage floor?
Almost always. Half the homes in our Washington service area were built before 1958, so older slabs are most of what we see. Cracks, pitting, old paint and sealers are ground off and repaired as part of the install. If a section is too far gone to coat, your estimator will tell you at the free visit.
Which ZIP codes near Washington do you serve?
We serve 26 ZIP codes around Washington, including 20001, 20002, 20003, 20004, 20005, 20006, 20007, 20008, 20009, 20010. The full list is on this page. If yours isn’t on it, call 888-899-9289 and we will tell you whether a crew can reach you.
Where the numbers on this page come from
- Homes and year built: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates, by ZIP Code Tabulation Area (tables B25001, B25003, B25024, B25034), for the 26 ZIP codes we serve around Washington. "Half built before" is the median year built.
- Snow and freezing days: NOAA NCEI U.S. Climate Normals, 1991-2020, Reagan National Airport (station USW00013743, about 3 miles from central Washington). Freeze-thaw days are the average days a year that drop below 32°F overnight minus the days that stay below 32°F all day.
- Recent jobs: Comer & Cross completed-project records.
Comer & Cross near Washington
Our nearest office to Washington is in Laurel, about 17 miles away.
Comer & Cross Concrete Coatings 5202 Minnick Rd Laurel, MD 20707 (410) 352-7020Before and after from our crews
Real Comer & Cross jobs from across our service area: the slab when we arrived and the floor when we left.
Before
After
Before
After
Before
After
Garages
Oil, road salt and hot tires don’t hurt it. Most garages are done in one day.
Basements
Handles basement moisture better than carpet or epoxy, and brightens the room.
Patios
Slip-resistant and UV-stable, so sun won’t yellow it and rain won’t make it slick.
Driveways
Stands up to road salt, plow blades and hot tires.
Commercial
Showrooms, warehouses, shops and restaurants, coated overnight or over a weekend.
Debbie Nelson2 weeks ago
We had 2 projects done: our basement and our garage. Looking back on my before pictures, our garage was pretty bad. We had rust-pitted concrete from the salt and weather. Now they look amazing.
Michele Layle2 weeks ago
If you are on the fence about getting your patio flooring poly coated, you should contact Comer and Cross!!! Not only is the finished work beyond beautiful, the customer service is just amazing!!! We were supposed to get it done a few weeks ago but Mother Nature had other plans. The communication that Moe (crew leader) had with me was so professional and beyond accommodating. He was even going to come on his day off (Sunday) two weeks in a row to get it done. Moe and Damian came today and I knew it was gonna look good, but I am blown away how amazing it looks!!! The two of them worked in the 95-degree heat and were so efficient and super friendly!!! I'm so excited to begin using our patio. If we do our garage floor I would only go with them.
Ben Mayo7 weeks ago
Very professional and knowledgeable from start to finish. Used them to coat our garage, which they did a great job on. They may be a little more than some other companies, but they certainly do a great job and great attention to detail. We got quotes from other companies that were higher and they did not seem to be as knowledgeable or do as good a job as Comer. Would recommend again for any service they provide.
How it works
Your new floor in 4 simple steps
From free estimate to a finished floor, usually within a week or two.
- 1
Free in-home consultation
A specialist comes out, measures, checks the slab for cracks and old coatings, shows you flake samples in your own light and writes up a quote that’s good for a year.
- 2
Scheduling made easy
Pick an install date that works for you. Most jobs get on the calendar within days.
- 3
1-day installation
The crew diamond-grinds the concrete, fills cracks and pits, then lays down the polyurea basecoat, the flake and the polyaspartic topcoat. Most jobs are done in one day.
- 4
15-year warranty
Your warranty comes in writing. If anything goes wrong later, our Service Center takes care of it.
Ask your consultant for full warranty details.
See what your floor would cost
Book a free estimate. We measure, check the concrete, bring color samples and leave a written quote. Current offer: Up to 50% OFF install + 15-year warranty.
No obligation · Safe, secure and confidential · Backed by our 15-year warranty