Roofing in Ellicott City, MD
5.0 from 17 Google reviewsRoofing Contractor in Ellicott City, MD
Diakite Roofing & Restoration is a roofing contractor in Ellicott City, MD, replacing roofs and siding across Howard County. Ellicott City is a town where the water has always decided things, and roofs are no exception. The Historic District sits in the narrow Tiber valley where several deep stream valleys converge, the same convergence that produced the 2016 and 2018 flash floods, while the greater Ellicott City around it climbs seven hills of newer housing that shed a cloudburst in every direction at once. The Google rating is 5.0 across 17 reviews, and the first step in Ellicott City is the same free HAAG certified inspection.
- HAAG Certified Inspector
- Free Roof Inspections
- 5.0 Stars on Google (17 Reviews)
Free & No Obligation
Book Your Free Roof Inspection
The Short Answer for Ellicott City
Diakite Roofing & Restoration replaces roofs and siding throughout Ellicott City, from the stone and granite buildings in the Tiber valley Historic District to the subdivisions spread over the seven hills above it. Water is the local enemy here, so we build for cloudburst rain. Free HAAG-certified inspections, most replacements in one day.
- My house is in the Ellicott City Historic District. Can you work on it? Yes.
- The 2016 and 2018 floods hit Ellicott City hard. Does that affect roofs on the hills? It does, because the same weather that flooded Main Street lands on every roof in town.
- Do you handle hail and wind damage insurance claims in Ellicott City? Yes.
- How long does a roof replacement take on an Ellicott City house? Most residential replacements are done in one day.
What We Do in Ellicott City
Roofing, Siding and Storm Restoration in Ellicott City
Local Conditions
Common Roofing Challenges in Ellicott City, MD
- Cloudburst rainfall the drainage was never sized for: the July 30, 2016 storm dropped 6 inches of rain in two hours, and on May 27, 2018 the region took over eight inches in two hours
- Stone, granite, and brick structures along Main Street and Tonge Row where the roof, the flashing, and the masonry all have to work together, some of them standing since the milling era the Ellicott brothers started in 1771
- Steep, convergent terrain: the Historic District lies in the narrow Tiber River valley immediately west of the Patapsco, with several deep stream valleys meeting at that point, and the town is built on what are claimed to be seven hills
- Hard rock underfoot and against the slopes, since Historic Ellicott City sits on Ellicott City Granodiorite with outcrops lining Main Street, which limits how water can be routed away from a structure
- A climate of hot, humid summers with frequent thunderstorms and rainfall spread evenly at 3 to 5 inches every month, so there is no dry season in which a marginal roof gets a rest
About Ellicott City, Howard County
Ellicott City is the county seat of Howard County and, with 75,947 residents at the 2020 census, the most populous unincorporated county seat in the United States. Three Quaker brothers from Bucks County, Pennsylvania, John, Andrew, and Joseph Ellicott, founded Ellicott's Mills here on April 24, 1771, upriver from Elk Ridge Landing, and it grew into one of the largest milling and manufacturing towns in the East. In 1830 it became the first terminus of the Baltimore and Ohio Railroad outside Baltimore, and the Ellicott City Station still stands as the oldest surviving railroad station in America, a National Historic Landmark built of locally quarried gray granite. The town took the name Ellicott City with its 1867 incorporation charter and lost that charter in 1935. Its historic downtown lies in the valleys of the Tiber and Patapsco, and the town is prone to flooding from both, with major floods recorded in 1780, 1817, 1837, 1868, 1901, 1917, 1923, 1938, 1942, 1952, 1956, 1972, 1975, 1989, 2011, 2016, and 2018. The CDP covers 30.1 square miles, bordered east and north by the Patapsco River, which forms the Baltimore County line, south by Columbia at MD-108, and southeast by Ilchester at MD-104. Historic Ellicott City sits on Ellicott City Granodiorite, and the climate is humid subtropical with hot, thunderstorm-prone summers and rainfall spread evenly through the year.
Roof or siding work in Ellicott City? Call (667) 200-6656 or book a free inspection.
Roofing Ellicott City Homeowners Call
Real jobs photographed on site across Howard County. Free no-obligation inspection first, every time.
Local Expertise
Roofing and Restoration for Ellicott City Homes
In Ellicott City, Water Is the Whole Conversation
Nobody has to explain rainfall to an Ellicott City homeowner. The old town sits in the Tiber valley just west of the Patapsco, where several deep stream valleys converge, and the flood record runs from 1780 through 2016 and 2018. The 2016 flash flood came out of six inches of rain in two hours.
The 2018 one came out of more than eight inches in two hours. Even in an ordinary year the rain here spreads evenly across the calendar at three to five inches every month, with summers hot, humid, and full of thunderstorms.

None of that is a roofing problem in the sense of a claim, and we will not pretend otherwise. What it does mean is that roof drainage in this town gets designed for volume rather than for average. Valley metal has to be sized and lapped for the flow that two planes dump into one channel.
Drip edge and the gutter behind it have to move water off the roof rather than let it sheet behind the fascia. And on the hillside lots this town is built on, where the grade falls away fast, water leaving the roof needs to be thrown clear of the foundation instead of dropped at the wall.

Great job on my roof in Glen Burnie. Handled all the insurance claim. Very good crew. No complaints the roof look great, great clean up as well. I highly recommend.
Two Housing Stocks in One Zip Code
Ellicott City is the county seat of Howard County and the most populous unincorporated county seat in the country, with 75,947 people at the 2020 census, and its housing splits hard. In the historic district along Main Street, plus Tonge Row and the West End, the buildings are the oldest in town, standing on the granodiorite that outcrops right along the street and that fed granite quarries here through the late 1800s and early 1900s. Roofs on those buildings are steep, cut up, and tied into masonry, so the work is counterflashing let into mortar joints, rebuilt valley metal, and detail work at every wall and chimney.
Out from the old core it is a suburb, and a long-running one. Normandy Heights went in as the first major subdivision in 1955, and the decades since filled the ground west to Marriottsville Road and south toward Columbia, along with the Route 40 corridor and its Koreatown stretch.

A mid-1950s house here is on its third roof by now, likely over plank decking, and the ventilation almost always needs correcting while the deck is open. A 1990s colonial on the other side of Centennial Road needs almost none of that.
Because the historic buildings sit on a street with no room for staging, work in the old town gets planned differently from a job in the subdivisions: where the dumpster goes, where material lands, and how the crew reaches the slope all get settled before the date is set.

Hail, Wind, and the Walls Below the Roof
The claim season in Howard County runs April into June, and the damage worth documenting is rarely the damage you can see. Hail fractures the fiberglass mat under a shingle's surface and lifts granules in soft circles; wind creases tabs that then lay back down looking untouched with the seal strip broken underneath. Our HAAG certified inspector photographs it slope by slope, along with the dents in gutter apron and vent metal that date and size the storm, and we write the loss in Xactimate.
Whatever reached your roof usually reached the walls too. Siding replacement in Ellicott City means checking the sheathing behind the panels, which on a house with decades of humid summers is where the real story is, then rebuilding out from a properly lapped weather barrier with flashing at every opening.
Free inspection first, and no obligation. Call (667) 200-6656.

Our Work
Recent Jobs Near Ellicott City






Included on a Full Replacement
100 Feet of Gutter With Your Ellicott City Roof Replacement
Every full roof replacement we do in Ellicott City comes with 100 feet of gutter, gutter guard and downspouts on the same job. It is part of the replacement rather than a second trip and a second invoice, and it is the reason the water coming off a new roof goes where it should.
Included with a full roof replacement. It is not a standalone service, and there is no end date on it.
Book a Free Ellicott City InspectionPermits and Coverage
Who Issues a Roofing Permit in Ellicott City, MD?
Ellicott City sits in Howard County, so a residential re-roof permit comes from the Howard County Department of Inspections, Licenses and Permits rather than from the town itself. We pull it as part of the job and it is priced into the estimate. The link is here for the homeowner who would rather read the requirement first-hand than take a contractor's word for it.
| Town | County | Permits issued by | From Columbia |
|---|---|---|---|
| Ellicott City | Howard County | Department of Inspections, Licenses and Permits | About 6 miles |
| Catonsville | Baltimore County | Department of Permits, Approvals and Inspections | About 8 miles |
| Columbia | Howard County | Department of Inspections, Licenses and Permits | Our home town |
| Elkridge | Howard County | Department of Inspections, Licenses and Permits | About 7 miles |
Distances are straight-line miles between town centers from geocoded coordinates, not drive times. Permit authorities were checked against each county's own site on 2026-08-06; county sites reorganize, so tell us if a link has moved.
Good to Know
Ellicott City Roofing: Frequently Asked Questions
My house is in the Ellicott City Historic District. Can you work on it?
Yes. The oldest structures in the district are stone, granite, and brick, and on those buildings the roof, the flashing, and the masonry have to be treated as one system rather than three. We inspect for free and tell you plainly what the structure needs.
The 2016 and 2018 floods hit Ellicott City hard. Does that affect roofs on the hills?
It does, because the same weather that flooded Main Street lands on every roof in town. The 2016 storm dropped 6 inches of rain in two hours and 2018 brought over eight inches in two hours. Roofs on the seven hills above the valley get that volume all at once, and any weak flashing or worn valley shows up immediately.
Do you handle hail and wind damage insurance claims in Ellicott City?
Yes. Our inspector is HAAG certified and we write claim scopes in Xactimate, the platform the carriers use. The inspection is free and carries no obligation, whether the damage turns out to be a claim or a retail job.
How long does a roof replacement take on an Ellicott City house?
Most residential replacements are done in one day. We use Owens Corning shingles, and a full roof replacement includes 100 feet of gutter, gutter guard, and downspouts. We replace siding as well, which is worth doing at the same time if the trim and flashing are already open.
Local Routes
How We Get to Ellicott City, MD
We work Ellicott City out of Columbia. These are the corridors that connect it to the neighboring towns we cover, and the roads our trucks are actually on getting there.
Ellicott City to Catonsville
- Roads we run
- Frederick Road
- Landmarks on the way
- the Patapsco and the Baltimore County line
- Straight-line distance
- About 5 miles, not a drive time
Ellicott City to Columbia
- Roads we run
- MD-108
- Straight-line distance
- About 6 miles, not a drive time
Ellicott City to Elkridge
- Landmarks on the way
- the Patapsco and Ilchester
- County
- Howard County
- Straight-line distance
- About 7 miles, not a drive time
Distances are straight-line miles between town centers, measured from geocoded coordinates. They are not drive times and not route mileage.
Nearby
Nearby Towns We Also Serve
Across the Patapsco, which is the Baltimore County line, Frederick Road carries us into roofing and siding in Catonsville. That road is the same route the Ellicott family built as the Frederick Turnpike in 1787 to move flour from their mills to Baltimore harbor.
South at MD-108, where Ellicott City's border with our home town runs, we handle roof replacement in Columbia, the ten-village Rouse community where Diakite is based.
Downstream along the Patapsco, past Ilchester, we work in Elkridge on roofing and storm restoration. That is the old Elk Ridge Landing the Ellicott brothers were rowing up from when they picked this site in 1771.






