Build a roofing estimate in real time.
Start with repair services if the roof needs leak, tarp or storm-damage help. If a full replacement may be needed, continue into the replacement details below. The estimate and realistic price range update instantly.
How to use this roof cost calculator
Start by choosing whether you want a full roof replacement estimate. Then select the approximate roof size, roofing material, tear-off and disposal needs, number of stories, roof pitch and roof shape. If the project is repair related, choose the repair services at the end.
The live estimate updates as you make selections. The line-item table gives a low and high range for major cost categories such as installed roofing material, tear-off and disposal, underlayment, flashing, ventilation, permits and cleanup.
What you need before starting
- Approximate roof size or number of roofing squares.
- Current or preferred roofing material.
- Whether the old roof needs tear-off and disposal.
- Number of stories and whether the roof is steep.
- Whether the roof is simple or has many valleys, vents, chimneys or details.
Why the range matters
Roofing costs can move up or down after inspection. Pitch, height, access, existing layers, hidden decking damage, dry rot, storm damage, ventilation details and material staging can all change the final scope of work.
Why final roofing prices can change
This calculator is for planning and comparison only. It cannot see the roof deck, confirm the number of layers, measure exact pitch, verify access, inspect flashing, identify hidden water damage or confirm local requirements. A final written estimate should come from a licensed roofing contractor after the project details are reviewed.
Access can be a major cost driver in the Antelope Valley. If trucks cannot reach the property because of street access, a narrow gate, blocked driveway, fencing or distance from the home, crews may need to unload materials by hand. A replacement roof can involve thousands of pounds of shingles and materials, and carrying those materials from the street, across the property and up ladders can add labor.
Related roofing help: roof replacement, roof repair, emergency roof tarping, roof repair cost guide and request contractor follow-up.