Roof measurement in El Cajon, CA
Your first roof estimate before you climb — roof area, pitch and squares for any El Cajon address, measured from aerial LiDAR.
Preliminary measurement from public aerial LiDAR · U.S. addresses · No sign-up
El Cajon roofs at a glance
Footprint statistics: residential-size buildings (600–6,000 sq ft) within ~2 km of the El Cajon centre point in our building database. Roof area assumes a 6/12 pitch for illustration — your roof is measured from its own LiDAR.
Roofing material costs for a typical El Cajon roof
Material-only prices for a 2,200 sq ft roof, adjusted to California’s price level (106 vs. U.S. 100) and including a typical waste allowance. Labor, tear-off, disposal and tax are extra.
| Material | Per square (CA) | Waste | Typical roof, material only | Lifespan |
|---|---|---|---|---|
| Architectural shingles | $117–$180 | 10% | $2,800–$4,350 | 25–30 yrs |
| 3-tab shingles | $90–$149 | 10% | $2,200–$3,600 | 15–20 yrs |
| Impact-resistant shingles (Class 4) | $138–$223 | 10% | $3,350–$5,400 | 30–40 yrs |
| Standing seam metal (steel) | $265–$477 | 14% | $6,650–$11,950 | 40–70 yrs |
| Stone-coated steel | $371–$690 | 13% | $9,250–$17,150 | 40–70 yrs |
| Metal shingles | $318–$637 | 12% | $7,850–$15,700 | 40–60 yrs |
| Concrete tile | $318–$743 | 15% | $8,050–$18,800 | 40–50 yrs |
| Clay tile | $531–$1,273 | 15% | $13,400–$32,200 | 50–100 yrs |
| TPO membrane | $159–$318 | 10% | $3,850–$7,700 | 20–30 yrs |
Planning prices as of 2026-10; not a supplier quote. Measure the actual address above for your roof’s own area and pitch. How we price materials →
Roof measurement FAQ — El Cajon
How big is a typical roof in El Cajon?
The median home footprint we map near central El Cajon is about 1,980 sq ft (middle half: 1,397–2,571 sq ft). At a common 6/12 pitch that is roughly 2,200 sq ft of roof surface, or 22 squares before waste.
What LiDAR data covers El Cajon?
Roofs in El Cajon are measured from the USGS 3D Elevation Program (3DEP), 2014 survey (dataset CA_SanDiegoQL2_2014). LiDAR is a snapshot from the flight date — newer construction may not be visible yet.
How much do roofing materials cost in California?
Material prices in California run about 6% above the U.S. average (BEA Regional Price Parities, goods). For the typical El Cajon roof, architectural shingles come to roughly $2,800–$4,350 in material only, before labor and tear-off.
Can I measure a roof in El Cajon without climbing it?
Yes — type the address above for a free preliminary measurement. For a full 3D report with every facet, ridge, hip and valley, use the RoofTap iPhone app. Always verify on site before ordering.
Full 3D roof reports in El Cajon
Every facet, ridge, hip and valley, material quote and a branded PDF — in the RoofTap iPhone app.
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