Full roof replacement
| Tier | Typical Scope | Range |
|---|---|---|
| Basic | Standard asphalt shingle, simple roof line, single-layer tear-off. | $9,000–$16,000 |
| Mid-Range | Architectural shingle, moderate complexity, some decking repair. | $16,000–$28,000 |
| High-End | Premium materials, complex roof line, multi-layer tear-off. | $28,000–$50,000+ |
Typical Northern Virginia reference ranges from the Roofing Roughnecks cost guide, not a quote for a Chantilly roof. Your written estimate is based on an inspection of your actual roof.
Repair, storm work and windows
| Tier | Typical Scope | Range |
|---|---|---|
| Roof Repair | Targeted repairs for leaks, damaged shingles, flashing, and ventilation issues. | $500–$3,500 |
| Storm & Insurance-Related Roofing | Roof damage assessment and repair or replacement following a storm. | $3,000–$20,000 |
| Window Replacement | Replacement windows installed alongside roofing and exterior work. | $500–$1,200 per window |
Typical Northern Virginia reference ranges from the Roofing Roughnecks cost guide, not a quote for a Chantilly roof. Your written estimate is based on an inspection of your actual roof.
What pushes a Chantilly roof up or down the range
- Roof size and pitch. Larger and steeper roofs take more material and more labor, and steep slopes need more safety setup.
- Material. A standard asphalt shingle, an architectural shingle and a premium designer line like CertainTeed Presidential Shake or GAF Grand Sequoia are priced very differently.
- Tear-off. One layer of old shingles costs less to remove than two.
- Decking. Damaged boards found under the old roof add cost beyond the roofing system itself.
- Ventilation and flashing. Chimneys, skylights, dormers, wall intersections and valleys all need detail work.
- Complexity. A simple gable roof is quicker than a multi-gable roof with dormers and low-slope porch sections.
A local note on decking
Fairfax County's permit guidance says replacing less than 256 square feet (nine boards) of roof plywood on a home doesn't need a permit, unless the roof has to be fire rated, which the county notes for townhomes. That threshold is a good reason to ask how your estimate handles decking: how many boards are included, what each additional board costs, and how you'll be told if the number climbs. Our guide to reading an estimate goes line by line.
What a written scope should list
- Roof areas covered, including porch, garage and addition roofs.
- Number of layers to be torn off.
- Decking allowance and the price for anything beyond it.
- Underlayment, ice and water barrier locations, drip edge and flashing details.
- Shingle manufacturer, product line and color.
- Ventilation changes, if any.
- Property protection, disposal and cleanup.
- Who handles any permit, and how changes are approved.
Want a size number before an inspection? The free roof-size tool on the Roofing Roughnecks site measures your roof from satellite and elevation data and emails a ballpark price. Tree cover and skylights can shift the real numbers, so treat it as a planning figure.
Are these prices for Chantilly specifically?▸
No. They're typical Northern Virginia reference ranges from the Roofing Roughnecks cost guide. A Chantilly roof is priced from an inspection of that roof.
Why do two estimates for the same roof differ so much?▸
Usually because they include different things: different shingle lines, decking allowances, flashing work, ventilation or cleanup. Compare scopes line by line, not just totals.
Is there a free way to estimate my roof size?▸
Yes. The Roofing Roughnecks instant roof-size tool uses satellite and elevation data to measure area and pitch and emails a ballpark price.
Does a repair ever make more financial sense?▸
Often, on a roof with plenty of life left. The cost guide lists $500–$3,500 as a typical Northern Virginia range for targeted repairs.