Fast, Reliable Roof Replacement & Installation Across Rockville
A full roof replacement on a Rockville home typically runs $12,000-$28,000 depending on size, layers, and material choice, with most historic mill-district jobs landing in the $15,000-$22,000 range once hidden decking damage is factored in. Our Roof Replacement & Installation crews are on Rockville roofs year-round, and we can usually inspect within 24 hours and start work within a week. Call (844) 563-1816 - a live person answers, even at 2 a.m. during a January ice storm.
We’ve worked in Rockville since 1984, long enough to know the difference between the tight Victorian rows near the old Hockanum mill corridor and the broader lots up toward Ellington Road. That local knowledge matters when you’re stripping a roof and don’t know whether you’ll find original slate, three layers of asphalt, or rotted sheathing until you’re standing on the ladder. We plan for all three.
Why Ridgeline Roofing Co. Is Rockville’s Preferred Roof Replacement & Installation Company
Homeowners in Rockville call us back because we show up when we say we will, and because our 90-Day Done Right Promise means exactly what it says: if something isn’t right, we make it right with no paperwork and no arguing. Over 42 years, we’ve learned that a roof isn’t just shingles - it’s the promise that water stays outside.
Our technicians are background-checked, uniformed, and trained to document every inspection with photos from your actual roof, not from a drone or a neighbor’s house. Rockville customers tell us they appreciate seeing what we see - especially on older homes where the real problem hides under layers someone else installed.
Response time to Rockville averages same-day or next-day for inspections, and we keep live phones staffed 24/7 because roof problems don’t wait for business hours. When ice dams back up into your kitchen ceiling at midnight, you reach a person who can dispatch a crew, not a recording telling you to call back Tuesday.
We hire local crews and train apprentices into journeymen. Ridgeline isn’t a storm-chasing outfit that blows through after hail and disappears. We’ve been here since 1984, and we plan to be here in thirty years. That’s why Rockville homeowners who’ve been burned before trust us with their second - or third - roof.
Our Roof Replacement & Installation Services in Rockville
Full Roof Replacement
Full replacement is our most common call in Rockville, and it’s rarely straightforward. The historic mill district around Mill Road and Ward Street is packed with 1880s-1920s worker housing that has seen decades of patch jobs - asphalt over slate, new flashing over old, tar where there should be metal. On a steep-pitch 1890s Colonial on Mill Road, we found three layers of asphalt over original slate, with rotted decking under the eaves. We stripped all layers, replaced decking with OSB, and installed Owens Corning Duration Storm asphalt shingles with ice-and-water shield at the eaves to combat Rockville’s freeze-thaw cycles.
We quote full replacement only after a hands-on inspection. The number on the estimate is the number on the invoice.

New Construction Roofing
New builds in Rockville are less common than re-roofs, but we handle them from sheathing to final walkthrough. Whether it’s an infill lot near the Hockanum River or a teardown rebuild on a broader parcel, we coordinate with framers and GCs to hit weather-tight deadlines. Our crews understand Rockville’s building department requirements and permit timelines, which saves weeks on most jobs.

Asphalt Shingle Installation
Asphalt shingles are what most Rockville homeowners choose, especially when transitioning off aging slate. We install GAF Timberline HDZ, CertainTeed Landmark, and Owens Corning Duration lines - all rated for the steep pitches common in Rockville’s Victorian housing stock. For homes in the Hockanum valley where ice dams are annual visitors, we specify ice-and-water shield at eaves and valleys as standard, not an upsell.
A typical architectural asphalt re-roof on a 1,800-square-foot Rockville Colonial runs $14,000-$19,000, assuming one layer of tear-off and sound decking. Add $3,000-$6,000 if we find multiple layers or rotted sheathing underneath.

Metal Roofing
Standing-seam metal makes sense for Rockville homeowners who plan to stay put and want a roof that outlasts them. We install concealed-fastener systems in aluminum and steel, properly flashed for the complex multi-plane rooflines that are standard on old mill housing. Metal runs $22,000-$35,000 on a typical Rockville home, but the lifespan stretches to 50+ years with minimal maintenance. On homes where attic ventilation is poor - common in Rockville’s older stock - we address that before the metal goes on, because trapped moisture destroys everything eventually.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Rockville
We are authorized installers for GAF, CertainTeed, and Owens Corning, and we stock the full accessory lines - ridge vents, drip edge, ice-and-water shield, synthetic underlayment - so we’re not waiting on a delivery truck while your roof is open. For Rockville’s historic homes, we also source specialized flashing and ventilation components that match the original profiles without compromising modern waterproofing. No substitutions. No “equivalent” products you didn’t approve. The brand you choose is the brand we nail.
Common Roof Replacement & Installation Problems We See in Rockville Homes
- Overlaying asphalt on original slate without stripping. Many Rockville homes had asphalt shingles laid directly over original slate decades ago, creating a moisture trap that silently rots the sheathing beneath. What looks like a simple re-roof on a 1910 Colonial often turns into a full deck replacement once the layers come off.
- Poor ice dam prevention on steep Victorian rooflines. Rockville sits in the Hockanum River valley where cold air pools and moisture lingers. Inadequate attic insulation and ventilation - common in older homes - translates directly into lifted shingles, failed flashing, and rotted fascia by spring.
- Inadequate flashing repairs on complex multi-plane rooflines. The worker housing in Rockville’s mill district features low-slope rear ell additions meeting steep main pitches at odd angles. Generations of tar patches and mismatched metal have left persistent leak paths that only full replacement properly resolves.
- Compressed access on narrow lots and alley-loaded properties. Many Rockville homes have no front driveway, requiring material staging on the street or in tight rear yards. We plan for this - smaller crews, hand-carrying, and dump trailers that fit where roll-offs won’t.
Pricing for Roof Replacement & Installation in Rockville, MD
Roof replacement in Rockville runs $12,000-$28,000 for most residential jobs, with the majority of historic mill-district homes falling between $15,000-$22,000 once full tear-off and any decking replacement are included. Here’s how typical line items break down:
| Service | Typical Range in Rockville |
|---|---|
| Architectural asphalt shingle, single-story, single-layer tear-off | $12,000-$16,000 |
| Architectural asphalt shingle, two-story Colonial, full strip | $15,000-$22,000 |
| Same as above with full decking replacement | $18,000-$26,000 |
| Standing-seam metal, average home | $22,000-$35,000 |
| Slate restoration or transition to synthetic slate | $28,000-$45,000 |
| New construction, complete roof system | $14,000-$24,000 |
What moves the number: square footage, pitch steepness, number of layers to remove, decking condition, accessibility, and material grade. We don’t guess from the curb. Every estimate follows a documented, on-roof inspection with photos you keep. Estimates are free. Call (844) 563-1816 to schedule.
We Also Serve Cities Near Rockville
Our crews work throughout central Tolland County and into neighboring towns. If you’re in Potomac, North Bethesda, Bethesda, or Redland, the same standards apply: on-time arrival, photo-documented inspection, upfront pricing, and our 90-Day Done Right Promise. We know the roofing challenges in each community - from Potomac’s larger lots to Bethesda’s mixed historic stock - and we adjust our approach accordingly.
Serving Rockville, MD - Our Local Coverage Area
We’re based in the Rockville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Roof Replacement & Installation in Rockville
Yes. We specialize in these jobs, and we expect to find multiple layers and hidden damage. On a recent Mill Road project, we stripped three layers of asphalt off an 1890s Colonial, replaced rotted decking, and installed Owens Corning Duration Storm shingles with full ice-and-water protection. We always inspect before quoting, and we plan for the worst so you’re not surprised mid-job. Call (844) 563-1816 for a free estimate.
We install GAF Timberline HDZ, CertainTeed Landmark, and Owens Corning Duration - all rated for steep pitches and all available in colors that respect Rockville’s historic streetscapes. For homes in the Hockanum valley where ice dams are a recurring threat, we specify ice-and-water shield at eaves and valleys as standard on every full replacement. The brand you choose is the brand we install - no substitutions.
We address ice dams at three points: proper attic ventilation to keep roof deck temperature uniform, adequate insulation to stop heat loss, and ice-and-water shield membrane at eaves and valleys as a backup defense. On many Rockville homes, the original ventilation is inadequate by modern standards, so we upgrade it as part of the roof replacement. Prevention is built into the system, not sold as an add-on.
Yes. We work in Rockville’s tight mill-district lots regularly and plan for limited staging space. That means smaller crews, hand-carrying materials when needed, and dump trailers instead of roll-off bins where access is compressed. We coordinate with you on parking and timing so the job moves efficiently without disrupting the neighborhood. Same quality roof, different logistics.
Most full replacements on a standard two-story Rockville Colonial take 2-3 days from tear-off to final cleanup, assuming weather holds and no major decking surprises. If we find extensive rot beneath multiple layers - common in the historic district - add a day for decking replacement. We don’t rush. We stay until it’s done right, and we clean up daily so you’re not living in a construction zone.
Ready to talk about your roof? Call (844) 563-1816 any time - day, night, weekend, storm. A live person answers, and we’ll get you scheduled for a free, no-pressure inspection with photo documentation. The price we quote is the price you pay. Done right - and if it’s not, we make it right.
Written by Pete Navarro, Owner at Ridgeline Roofing Co., serving Rockville since 1984.