Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Upland
If you’ve spotted a water stain spreading across a ceiling or noticed a missing ridge tile after the last Santa Ana blow, you need a roofer who understands Upland homes specifically. Roof repair in Upland usually costs between $350 and $1,800 for targeted fixes like leak repair, flashing work, or shingle replacement, and we can typically have a crew at your door within one to three days of your call. We work the full span of the city, from the older tree-lined streets near downtown to the foothill grades in 91784, and we know exactly what these roofs go through. Call (866) 850-2496 to schedule a roof inspection or get a repair quote on your schedule, not ours.

Why Windmill Roof Repair Is Upland’s Preferred Roof Repair Company
Ruben Ochoa built Windmill Roof Repair on a simple idea: homeowners deserve a roof system that matches their house, their budget, and the weather it actually faces, not the brand a contractor happens to carry. We work across seven shingle manufacturers, including GAF, CertainTeed, and Owens Corning, so when we recommend a repair material, we’re recommending it because it fits your Upland roof, not because we have a preferred-vendor agreement. That’s the difference between a roofer and a roofing partner.
Our Roof Repair division has handled everything from quick vent boot replacements to full valley rebuilds in Upland’s foothill neighborhoods, and we’ve earned a reputation for showing up when we say we will and keeping our word on pricing. We offer standalone roof inspections as a no-commitment first step, which means you can have us assess the full roof and tell you honestly whether you need a repair or a full replacement. Most of the time, you don’t. When a repair is the right call, we do the job and stand behind the workmanship.
Foothill wind exposure, citrus-era bungalows, tile roofs built in the 1970s that have never had underlayment replaced. We’ve seen it all across Upland, and we scope each job based on what’s actually happening on your roof rather than what’s easiest for us to bill.
Styles & brands we work with






Roof Leak Repair in Upland
Roof Leak Repair in Upland is typically the first thing homeowners call us for, and it’s usually the right instinct. A leak that shows up on a ceiling in Upland often starts at a wind-lifted ridge cap, a cracked boot around a plumbing vent, or a failed valley where the mature pepper trees near downtown dropped a limb that compromised the shingle layer. The leak repair itself runs roughly $350 to $900, depending on whether we’re replacing a section of flashing, resealing a vent boot, or rebuilding a small valley. The first thing we do is trace the water path, because water on a ceiling rarely enters the roof directly above the stain.
Flashing and Valley Repairs
Upland’s foothill grades and older neighborhoods have an enormous amount of original flashing still in service, much of it installed before modern ice and water shield was standard practice. When wind drives rain sideways against a chimney or a valley, that old flashing is the first point of failure. We remove and replace degraded flashing with new metal matched to the roof’s existing color, then seal and re-bed tile or shingles over the repaired area. Expect to pay $450 to $1,200 for flashing work depending on how many penetrations are involved and whether we’re working on a single-story or two-story home.
Shingle and Tile Replacement
When wind or debris tears shingles on the south- and west-facing slopes of Upland homes, water gets under the field of the roof and starts working its way toward the underlayment. On an older roof, the underlayment may already be UV-baked and cracked, which means a small shingle replacement can turn into a larger repair once we pull back the surrounding material. We price shingle replacement at $4.50 to $8.00 per square foot for standard architectural shingles, with tile replacement running higher because we match the existing profile and re-bed each piece properly. We always let you know if what we find under the surface changes the scope before we touch it.
Emergency Roof Repair in Upland
Emergency Roof Repair in Upland is what happens after a Santa Ana windstorm peels back ridge tiles and sends a eucalyptus limb through a valley, and we treat those calls as true priority work. When wind lifts tiles on the north-side foothill grades in 91784, water can enter within hours, so we aim to get a tarp or temporary patch on the roof the same day or early the next morning. Emergency tarping and temporary seals usually run $250 to $600, with the permanent repair quoted separately once the roof is dry and we can see the full extent of the damage.
Same-Day Tarping and Temporary Repairs
Our crew carries heavy-mil poly, furring strips, and fasteners on every truck, so the first trip to a Upland emergency call is about stopping water, not selling you a replacement. We fasten the tarp securely over the damaged area, seal any obvious entry points with roofing mastic, and document everything with photos. That buys you time to make a clear-headed decision while we prepare a written quote for the permanent fix.
Wind-Storm Recovery for Foothill Homes
Ridge caps and hip caps are the first things to lift on Upland’s exposed north-side grades, and when those go, the fasteners go with them. We reset lifted tiles with upgraded stainless fasteners and new mortar or adhesive, then check the underlayment below for UV damage. The goal with any wind-storm recovery is to restore the roof’s uplift resistance, not just put the tiles back where they were.

Trusted Brands We Service in Upland
We stock replacement materials from GAF, CertainTeed, Tamko, and other leading manufacturers, so a Upland homeowner is never locked into a single brand line. That matters when you’re matching a 2008 architectural shingle or a specific tile profile that a single-brand contractor can’t get. We source locally around the Inland Empire and have access to the full Tamko, Boral, and CertainTeed catalogs, so the patch we put on your roof blends with what’s already there. Seven brands, one crew. We use the material your roof needs.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Upland Homes
- Ridge and hip cap lift during Santa Ana winds. The north Upland foothill grades in 91784 take the brunt of the wind funnel, and ridge tiles there lift before anything else fails. Once exposed, the fasteners rust and fail within a season or two.
- UV-baked underlayment on south and west slopes. The Inland Empire sun bakes underlayment until it’s brittle, and Upland’s older roofs often have original paper that turns to dust when disturbed. That’s why a small flashing repair sometimes turns into a larger underlayment replacement once we open the area.
- Debris impact from downtown’s mature tree canopy. Pepper trees and eucalyptus drop substantial limbs during wind events, and those limbs punch through aging shingles and damage decking and starter strip without ever leaving a visible hole from the ground. We find these on nearly every post-storm inspection.
- Failed vent boots and pipe collars on mid-century tract roofs. The 1960s and 70s subdivisions across Upland typically have original vent boots made of rubber or plastic, and after 40-plus years of sun exposure, those collars crack and let water travel along the pipe into the attic.
Pricing for Roof Repair in Upland, CA
Most Upland roof repairs land between $350 and $1,800, with the final number driven by what we find once the roof is opened. Leak repairs with simple flashing or boot replacement run $350 to $900. A full valley rebuild with new ice and water shield underneath runs $800 to $1,400. Wind-damage repair involving multiple ridge tiles and decking replacement typically falls between $1,200 and $2,800. Underlayment replacement, when it’s needed on an older Upland home, adds $3.00 to $5.50 per square foot. We write allowances into every quote, and we never start work we haven’t priced and gotten your written approval for. Call (866) 850-2496 for a free estimate, and we’ll give you an exact number before any work begins.
We Also Serve Cities Near Upland
Windmill Roof Repair serves Upland and the surrounding 91784, 91785, and 91786 neighborhoods, and we regularly take calls from homeowners in Claremont, Montclair, and the Ontario Ranch area. If you’re in Rancho Cucamonga and seeing wind damage on the same foothill grades, we cover that too. Call us at (866) 850-2496 and we’ll let you know if we can fit you in this week. Roof repair in Upland is our home turf, but our trucks work the whole eastern Inland Empire.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in Upland
We price hidden damage separately and get your written approval before proceeding. When we open a roof section and find failed underlayment, cracked decking, or rotted framing, we document it with photos, write the exact scope and cost into a change order, and wait for your signature before we do any additional work. That’s how our final bill matches the signed quote every time.
Wind uplift. Upland sits at the base of the San Gabriel Mountains on the Cucamonga alluvial fan, and the Santa Ana winds funnel down those grades with enough force to lift ridge tiles and hip caps before anything else on the roof moves. Once the tiles lift, the fasteners are exposed to rust and the underlayment below is exposed to rain, so the failure cascades from there. Lowland cities like Montclair or Ontario simply don’t get the same sustained wind load.
We check the ridge line and hip caps, then walk the valleys. Wind damage on Upland roofs almost always starts at the highest points of the roof, where uplift force is greatest, so we inspect the ridge caps, hip shingles, and any valley points for lifted or missing material first. Then we check the underlayment below those areas, because on older Upland homes the underlayment has often been sun-baked to the point of failure and may need replacement even if the tiles look intact.
Only when the underlayment has failed, and we’ll show you exactly what we found before we recommend replacing it. On homes in Upland’s older foothill neighborhoods, the original underlayment is often UV-baked and cracked, so a leak repair that starts as a simple flashing job can legitimately require underlayment replacement to stop the water for good. We replace only the failed section unless the damage extends further, and we always price it separately with written approval first.
Most roof repairs in Upland do not require a permit, but if your repair involves structural decking replacement or any work that triggers a code check, the City of Upland’s building department will want the framing inspected. When we open a roof and find decking damage that requires replacement, we coordinate with the city to pull permits and schedule the inspection, so the work is done to code and the final repair is documented. We handle that end-to-end, and we include permit costs in the written quote.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Upland since day one.
Need a roofer who will tell you the truth about what your Upland roof actually needs? Call (866) 850-2496 and ask for a roof inspection or a repair estimate. We’ll walk the roof with you, show you what we find, and give you a written price before any work starts.