Size and shape
Roof area, pitch and the number of valleys, dormers and hips change both material and labor.
Roof Replacement in Sterling, VA
Sterling Roofers replaces shingle roofs on houses and townhouses across Sterling and Northern Virginia. Two bids with the same shingle name can cover very different work, so this page explains what a full replacement should include and how to compare one written scope with another.
5.0 rated across 28 Google reviews · see the Google profile
Tyco Road8466 Tyco Road, Suite B, Vienna, VA 22182
(703) 436-4445Mon to Fri, 8 AM to 5:05 PM
Start by phoneA free 15-minute consultation
Replace or repair
When is a full roof replacement the right call?
Replacement makes sense when the problems are spread across the roof instead of sitting in one spot. Typical signs are shingles that are curling, cracking or shedding granules over large areas, leaks showing up in more than one place, and flashing or deck damage that a patch would only cover for a season.
A single failed vent boot or a few lifted shingles is a different job. In that case roof repair is usually the sensible first step, and a roof inspection can settle the question when you are unsure. Age alone does not decide it. Look at what the roof is doing now and what a repair would leave behind.
Sterling is mostly a house and townhouse market. In the Census Bureau's 2020 to 2024 estimates, the median home was built in 1982 and 43 percent of homes pre-date 1980, so many roofs here have already been replaced once and some are due again. For neighborhood details, see our Sterling roofers page.
The written scope
What should a roof replacement bid list?
Use this table to line up proposals. A line that is missing from a bid is a question to ask, not a saving.
| Item | What to look for in writing |
|---|---|
| Tear-off | How many layers come off and where the old material goes |
| Decking | The unit price for replacing bad boards and who approves it |
| Underlayment | The product named, and where leak barrier goes |
| Flashing | Chimney, walls, valleys and pipes: new, reused or excluded |
| Shingles | Exact product line, color, starter strips and ridge pieces |
| Ventilation | Intake and exhaust, and whether anything changes |
| Site care | Protection of landscaping, magnetic sweep and haul-away |
The shingle itself is only the visible layer. Our asphalt shingle roofing page covers that choice, and the roofing materials comparison helps if you are weighing metal or another covering.
What you cannot see yet
How are decking surprises handled?
The plywood or boards under the shingles are hidden until the old roof comes off. Soft, stained or split sections found at tear-off need replacing before new material goes down, and nobody can price them exactly from the ground.
That is why the agreement should state a price per sheet or per board, how extra work is documented, and who signs off before it is added. A bid that says only “decking extra” leaves the biggest unknown open. Rot that reaches rafters is a separate conversation and may need a different scope.
Flashing deserves the same attention. Leaks often start at chimneys, sidewalls and valleys, not in the middle of a slope, so ask which pieces are replaced and which are kept.
How a job runs
What are the steps of a roof replacement?
The order matters more than the speed.
1. Phone call
A free 15-minute call about the roof, leaks you have seen and any HOA rules.
2. Roof visit
Someone looks at the roof at a time you set and notes slopes, flashing and vents.
3. Written scope
The items in the table above, plus the way extra decking is priced.
4. Tear-off and install
Old covering off, deck checked, underlayment, flashing, shingles and ridge pieces on.
5. Cleanup and closeout
Debris hauled away, yard checked, paperwork matching what went on the roof.
Weather and roof shape set the schedule, so we agree on timing for your house instead of quoting a standard number of days.
Comparing bids
What makes one roof replacement bid cost more than another?
Square footage of the house is not the number that matters. The roof's own measurements drive the price.
Layers and deck
Extra layers to remove and any boards that need replacing add to the total.
Details and product
Flashing, vents, skylights, chimneys and the shingle line you choose all move the number.
We do not publish prices, because a roof has to be looked at first. Our guide to roof replacement cost in Northern Virginia explains the factors, and roof replacement in Fairfax covers the neighboring county. If a storm caused the damage, read about storm damage roofing and roof insurance claim help.
Permits and HOAs
What approvals apply to a roof replacement in Sterling?
Sterling sits in unincorporated Loudoun County, so there is no town step. Loudoun's Department of Building and Development issues building permits for the whole county, and you can reach it at 703-777-0220.
Virginia's building code, section 108.2, exempts replacing roof covering on houses and townhouses in many cases, and replacing 256 square feet or less of decking unless fire-rated decking was required at construction. Whether your job falls inside those limits depends on the scope, so confirm it with the county before work starts. The county's posted design values are 30 psf ground snow load and a 115 mph design wind speed.
A homeowners association is a separate approval. Many communities review shingle color and profile even when no permit is needed, so ask for the architectural form before you order materials. Attached homes also raise questions about shared roof lines and access.
Reviews
What do customers say about their new roofs?
Word for word from the Google profile, rated 5.0 across 28 reviews.
★★★★★
“So impressed with this company and love our new roof!! We have been putting off a replacement for awhile now and a tree falling during the last snow storm sent us looking for estimates.”
FAQ
Roof replacement questions
Does replacing a roof always mean tearing off the old shingles?
A tear-off lets the deck and flashing be inspected, which a second layer hides. Layer limits, the condition of the deck and the shingle maker's instructions all affect whether covering over is allowed at all.
Will my roof be replaced in a single visit?
That depends on roof size, shape and weather. We set the plan for your house and tell you what to expect, instead of promising a fixed number of days.
Are gutters, skylights and chimney masonry part of a shingle replacement?
Only when the written scope lists them. Gutters, skylight units, masonry repair and interior drywall are separate items, so ask for each one by name.
What happens if the crew finds rotten decking after tear-off?
Damaged boards get replaced before new material goes on. The agreement should set the price per sheet and require your approval, so the extra work is never a surprise on the final invoice.
Do I need my HOA's approval before choosing shingles?
If your community has architectural rules, yes, and approval belongs to the association, not the roofer. Send the exact product, profile and color before ordering.
Should I replace a roof before it leaks?
Sometimes, when shingles are widely worn or flashing is failing. The absence of a leak is not a reason to wait, and one leak is not always a reason to replace, so look at the whole roof first.
Does a new roof need attic ventilation changes?
Replacement is the moment to check intake and exhaust airflow. A vented attic needs both, and a conditioned attic needs its own design, so the scope should say what stays and what changes.
How do I compare two roof replacement bids that look the same?
Match them line by line using the table above. Differences in decking terms, flashing, underlayment and cleanup explain most price gaps between bids that name the same shingle.
Talk through the next step
Discuss your roof with Sterling Roofers
Share the property address, the condition you are seeing and the decision you need to make.