Roof repair & replacement · Rancho Cucamonga, California
Roof repair and replacement in Rancho Cucamonga, CA
Leaks, missing shingles or storm damage in Rancho Cucamonga? Request an inspection from roofers who work here. Rancho Cucamonga, in San Bernardino County — ZIPs 91730, 91739, 91701, 91737, counts 177,856 residents (2025 estimate)[1].
Request helpRoof repair or roof replacement?
Answer a few questions to see what to do first.
Rancho Cucamonga at a glance for roofing
- Population (2025 est.)
- 177,856[1]+1.9% since 2020
- County
- San Bernardino[1]
- Land area
- 46.5 sq mi[2]
- Hail reports within 10 mi
- 0[3]2016–2025 · 0 at 1 inch or larger
- Damaging-wind reports within 10 mi
- 0[3]2016–2025
- Median year homes were built
- 1988[4]the 6th-oldest of the 15 Inland Empire suburbs we cover
- Median home value
- $740,200[4]2020–2024
- Detached single-family homes
- 62%[4]share of all housing units
Reading the Rancho Cucamonga data for roofing
Rancho Cucamonga is one of the most established suburbs tracked here — 177,856 people (2025 estimate), up just 1.9% since 2020[1]. On the map that's 46.5 square miles holding 3,823 residents per square mile, the 6th densest of the suburbs here; it sits entirely in San Bernardino County, with ZIP codes 91730, 91739, 91701, 91737[2].
Roofs of every age sit side by side here: 8% of homes were built in 2010 or later and 29% before 1980[4], so two houses on one street can need very different roof work.
Rancho Cucamonga is split across 4 ZIP codes: 91730 (34% of the city's land), 91739 (31% of the city's land), 91701 (18% of the city's land), 91737 (16% of the city's land)[5].
The closest tracked neighbours are Fontana (6.1 mi E), Ontario (6.8 mi S) and Rialto (10.2 mi E)[2].
No hail or damaging thunderstorm-wind reports fall within 10 miles of central Rancho Cucamonga for 2016–2025[3]. Reports need an observer, so a quiet record isn't a guarantee.
Half of Rancho Cucamonga's homes were built before 1988[4] — the 6th-oldest of the 15 Inland Empire suburbs we cover (median years nearby: Fontana (1989), Ontario (1980), and Rialto (1982)). Expect a mix of first replacements and newer warrantied roofs.
Median home value: $740,200 (the 3rd-highest of the 15 Inland Empire suburbs we cover); 62% of housing is detached houses[4].
Out of the 15 suburbs on this site, Rancho Cucamonga has the fewest hail reports nearby (0, tied with 8 other suburbs)[3], the fewest damaging-wind reports nearby (0, tied with 3 other suburbs)[3], and the 3rd-highest median home value ($740,200)[4].
roofing help in Rancho Cucamonga: what to do next
Roof repair & replacement contractors taking requests around Rancho Cucamonga cover ZIP codes 91730, 91739, 91701, 91737.
Before you call: after a hail or wind storm
Whose roof is it? Rancho Cucamonga homes by building type
With 35%[4] of Rancho Cucamonga's homes attached or in multi-unit buildings (multi-unit buildings alone: 28%, the 3rd-highest multi-unit share of the 15 Inland Empire suburbs we cover), many roofs here are shared: in a townhouse, condo or apartment, ask your HOA, association or landlord who handles the roof before you hire anyone.
After detached houses, the biggest group is 50 or more units: 7,389 of 60,879 housing units[4].
Rancho Cucamonga's 1,386 mobile homes (2.3%) need a roofer who works on manufactured-home roofs; mention it when you request help.
| Building type | Units | Share | Margin of error |
|---|---|---|---|
| Detached house | 38,025 | 62.5% | ±1,048 |
| Attached house (townhouse, rowhouse) | 4,691 | 7.7% | ±533 |
| Duplex (2 units) | 491 | 0.8% | ±186 |
| 3–4 units | 3,211 | 5.3% | ±568 |
| 5–9 units | 3,142 | 5.2% | ±591 |
| 10–19 units | 1,245 | 2.0% | ±279 |
| 20–49 units | 1,288 | 2.1% | ±352 |
| 50 or more units | 7,389 | 12.1% | ±762 |
| Mobile home | 1,386 | 2.3% | ±270 |
| Boat, RV, van, etc. | 11 | 0.0% | ±26 |
Margins of error are the Census Bureau’s 90% intervals; small categories in small cities are rough.
The data underneath this Rancho Cucamonga page
| Measure | Rancho Cucamonga | Median of 15 | Difference |
|---|---|---|---|
| Damaging-wind reports (10 mi) | 0 | 2 | 2 fewer |
| Built 2010 or later | 8% | 10% | 2 pts lower |
| Median home value | $740,200 | $618,900 | 20% higher |
| Detached single-family | 62% | 73% | 10 pts lower |
| Owner-occupied | 62% | 64% | 2 pts lower |
| Median year built | 1988 | 1989 | 1 year older |
Biggest gaps first. Medians are middle values across the Inland Empire suburbs we cover, drawn from the same sources.
| City | Hail reports ≤10 mi | Median year built |
|---|---|---|
| Rancho Cucamonga | 0 | 1988 |
| Fontana 6.1 mi | 0 | 1989 |
| Ontario 6.8 mi | 0 | 1980 |
| Rialto 10.2 mi | 0 | 1982 |
| Eastvale 11.6 mi | 0 | 2007 |
| Chino 12.2 mi | 1 | 1987 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 844 | 1.4% | ±238 |
| 2010 to 2019 | 3,999 | 6.6% | ±516 |
| 2000 to 2009 | 13,493 | 22.2% | ±820 |
| 1990 to 1999 | 8,713 | 14.3% | ±690 |
| 1980 to 1989 | 16,157 | 26.5% | ±850 |
| 1970 to 1979 | 11,836 | 19.4% | ±665 |
| 1960 to 1969 | 3,140 | 5.2% | ±416 |
| 1950 to 1959 | 1,753 | 2.9% | ±337 |
| 1940 to 1949 | 242 | 0.4% | ±136 |
| 1939 or earlier | 702 | 1.2% | ±209 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| ZIP (ZCTA) | Share of Rancho Cucamonga's land | Share of the ZIP inside the city |
|---|---|---|
| 91730 | 34% | 100% |
| 91739 | 31% | 43% |
| 91701 | 18% | 100% |
| 91737 | 16% | 63% |
roofing questions from Rancho Cucamonga homeowners
Which Rancho Cucamonga areas do these roofers cover?
ZIP 91730, 91739, 91701, and 91737[5], San Bernardino County. Close by: Fontana (6.1 mi), Ontario (6.8 mi), and Rialto (10.2 mi)[2].
Storm disaster declarations for San Bernardino County?
8 storm-related declarations since 2000, including Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, and Mudslides (DR-4699, 2023), Severe Winter Storms, Flooding, Landslides, and Mudslides (EM-3592, 2023), and Severe Winter Storms, Flooding, and Mudslides (EM-3591, 2023)[6].
Sources
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- Census ACS 2020–2024 5-year (keyless bulk)
- Census 2020 ZCTA–place file
- OpenFEMA disaster declarations
Data pulled Sep 28, 2026. Full citations and method.