Tile roofing
Architectural shingles
Metal 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 Replacement Across San Antonio Heights
A full roof replacement in San Antonio Heights typically runs $14,000 to $29,000 for a single-family home, with concrete tile and Class A fire-rated assemblies on the upper end of that range. The project usually takes 3 to 7 working days once materials arrive on site. Call (833) 467-4846 for a written, line-item estimate specific to your roof.
We work throughout the 91784 corridor, from the hillside properties along Oak Glen Road up to Euclid Avenue’s northern reach and the larger lots west toward Mountain Avenue. San Antonio Heights is a specific kind of roofing environment: sloped custom lots, mature oaks, wood shake remnants, and a foothill location where Santa Ana winds hit harder than they do on the valley floor. Our crew has handled Roof Replacement jobs on everything from 1950s ranch houses to semi-rural horse properties with detached garages and multi-pitch roof lines. We quote from the roof itself, not from satellite photos or a drive-by.
Why Tilecraft Roofing Is San Antonio Heights’s Preferred Roof Replacement Company
Ruben Castellano leads our crew. He’s been the one walking San Antonio Heights rooflines, measuring pitch changes, checking for oak-related valley rot, and writing scopes that reflect what the roof actually needs rather than what a sales target suggests. Homeowners in this area tend to research before they call, and they ask specific questions about underlayment, nailing patterns, and fire-rated assemblies. Those are questions we answer plainly.
Our position is simple: seven leading brands, one crew. We’re authorized to install products from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in San Antonio Heights because the right material here is often not the same material you’d put on a home in Upland. Foothill wind exposure, ember risk, and the look of a custom hillside property all shape the recommendation. We don’t stock one shingle and push it on every house.
We also treat inspection as a standalone service. We look before we quote. If a roof in San Antonio Heights can be repaired for a fraction of replacement cost, we’ll say so. Repair when repair is right, replace when it’s not. That’s how we’ve earned trust here, one honest scope at a time.
Styles & brands we work with
Flat Roof Replacement in San Antonio Heights
Flat Roof Replacement in San Antonio Heights is most common on 1970s and 1980s additions, detached garages, and the occasional mid-century custom home that used a low-slope roof section over a carport or covered patio. In this area, flat roofs tend to fail at the flashings and at the seams where an addition meets the original structure, especially on sloped lots where drainage was never ideal. A flat roof replacement here typically runs $10,000 to $19,000 depending on square footage, decking condition, and whether we’re installing a modified bitumen system or a single-ply membrane like TPO.
Decking and Drainage on Sloped Lots
Most San Antonio Heights flat roofs are not truly flat. They have a slight slope for drainage, but decades of settling on hillside foundations can deaden that slope. When we tear off the old membrane, it’s common to find ponding evidence, soft decking at the low points, and deteriorated insulation. We correct the slope where framing allows, replace compromised decking, and re-flash every penetration before the new membrane goes down.
When a Flat Roof Replacement Makes Sense
If the flat section is less than 40% of the total roofline and the rest of the roof is in solid shape, a targeted flat roof replacement is often the right call. On San Antonio Heights homes where the flat portion ties into a pitched tile or shake roof, getting the transition flashing right is the most important part of the job. That junction is where wind-driven rain sneaks in, and it’s where our crew spends the most time.
Roof Installation in San Antonio Heights
Roof Installation in San Antonio Heights is the path we take when a full replacement isn’t the honest recommendation but a new roof section is required: a new addition, a detached structure, or a porch that never had proper roofing to begin with. The work involves everything from framing preparation through underlayment, flashing, ventilation, and the finished surface. A new roof installation on a detached garage or addition in this area generally runs $8,000 to $16,000, though complex pitches and custom architectural details push that higher.
Coordination With Architects and Builders
For homeowners working with an architect or designer on a San Antonio Heights addition, we coordinate directly with the design team. The roofline on these hillside lots often ties into the existing structure at unusual angles, and the roof has to be laid out before masonry or stucco work closes things in. We review the plans, flag potential drainage problems before they’re built, and make sure the roof assembly is spec’d to meet the area’s Class A requirements from day one.
Matching New Work to Existing Roofs
When part of the existing roof is staying, we take the time to match materials carefully. On older San Antonio Heights homes with concrete tile that’s been up for decades, an exact match isn’t always available, and we’ll walk you through the closest options from our brand lineup. We’d rather tell you the truth about a slight color variance than surprise you after materials land. The right material for your roof might be a close match, a deliberate contrast, or a phased plan to replace the adjoining section sooner than planned.
Trusted Brands We Service in San Antonio Heights
We service and install roofing systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For San Antonio Heights specifically, Boral comes up often because the tile profiles suit the custom foothill aesthetic, and it also gives us a path to Class A fire-rated assemblies without sacrificing the look of the home. IKO and Atlas architectural shingles are popular here for the semi-rural ranch-style properties, while Tamko provides solid budget-conscious asphalt options. Because we stock materials across brands rather than sourcing a single brand for every job, we can turn around material selections faster for San Antonio Heights projects. No waiting weeks for the one shingle our supplier happens to carry.
Common Roof Replacement Problems We See in San Antonio Heights Homes
- Wind-peeled ridge caps and drip edge: Santa Ana gusts over 60 mph work ridge caps loose, especially on the multi-pitch custom rooflines common here. Once the cap lifts, water finds the underlayment, and damage accelerates below the surface.
- Oak debris rot in valleys: Large lots mean mature oaks overhanging roofs. Leaves collect in valleys and behind fascia boards, holding moisture through winter rains and rotting the decking and soffit on sloped lots where water moves fast.
- Brittle wood shake underlayment: Homes built from the 1950s through the 1970s often still have wood shake roofs that look intact from the ground. During tear-off, the shakes break apart like dry kindling. They’ve lost their fire resistance, and the underlayment underneath is frequently original and failing.
- Failed flashing at additions and dormers: San Antonio Heights has a lot of homes with additions, enclosed porches, and dormers added over the years. The flashing where old meets new is often the first point of failure, and we re-flash every junction during replacement, not just the visible ones.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Replacement in San Antonio Heights, CA
Here’s what we see on the ground in 91784:
| Roof Type | Typical Range |
|---|---|
| Asphalt shingle replacement (standard ranch) | $14,000 – $22,000 |
| Architectural shingle replacement (custom home) | $19,000 – $29,000 |
| Concrete tile replacement | $26,000 – $42,000 |
| Class A fire-rated assembly (WUI requirement) | Adds $3,000 – $7,000 |
| Flat roof replacement | $10,000 – $19,000 |
What moves cost in San Antonio Heights: roof pitch (steeper means slower, more safety setup), decking condition (oak debris rot is common), the number of roof planes and valleys on custom work, and whether the home sits in the wildland-urban interface zone that requires a Class A assembly. The estimate we write for you is the price we hold. Call (833) 467-4846 for a free estimate and a line-item scope you can actually compare.
We Also Serve Cities Near San Antonio Heights
While this page covers Roof Replacement in San Antonio Heights, our crews regularly work in Upland, Claremont, Rancho Cucamonga, and Montclair. Each area has its own housing stock and roofline characteristics, but the same crew and the same seven-brand material access applies across the region. If you’re a few minutes down Euclid or into the valley, we’re already working nearby.
Serving San Antonio Heights, CA — Our Local Coverage Area
We’re based in the San Antonio Heights 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 Replacement in San Antonio Heights
Most homes in San Antonio Heights fall inside the wildland-urban interface zone along the San Gabriel foothills, which means yes, the replacement roof generally needs to be a Class A fire-rated assembly. That’s a requirement most Upland and Rancho Cucamonga re-roofs never have to meet. We’ll confirm whether your specific parcel is inside the WUI boundary and spec the assembly accordingly.
The winds affect nailing patterns, starter strip, drip edge, and ridge cap installation more than the brand itself. We recommend high-wind-rated products from our lineup and install them to the manufacturer’s wind uplift spec. On San Antonio Heights homes with long ridgelines and complex pitches, the details below the surface matter as much as the shingle on top. Call (833) 467-4846 and we’ll explain what’s appropriate for your roofline.
Because custom homes here have roof lines that don’t repeat. Pitch changes, valleys, dormers, chimney stacks, skylights, detached structures – every one of those adds labor and flashing detail. A quote that treats a 1970s hillside custom home like a standard Upland ranch is missing the point. We measure every plane and write scope for the actual roof you have, so the number we give you holds.
No. Installing new roofing over wood shake is bad practice anywhere, but it’s particularly wrong in San Antonio Heights because the old shakes have typically lost their fire resistance. The tear-off is where we find decking rot under oak debris and the true condition of the original underlayment. Skipping it leaves a compromised base under your new fire-rated assembly and voids most manufacturer warranties.
We recommend planning 4 to 8 weeks ahead. The labor on a San Antonio Heights replacement runs 3 to 7 days, but material lead times are what set the calendar, especially for Boral tile orders or custom color shingles. Book the estimate early, get the scope and price in writing, and we’ll lock in your material order so the project runs on a predictable schedule. Call (833) 467-4846 to start with a free roof assessment.
Contact Tilecraft Roofing
If you’re in San Antonio Heights and considering a roof replacement, start with an inspection. We’ll walk the roof, check the decking, look for wind damage and oak debris issues, and tell you honestly whether you need a repair or a full replacement. No pressure, no replacement-first agenda. Call (833) 467-4846 to schedule your free estimate and get a written scope that reflects your actual roof, not a generic template. We serve the entire 91784 area, from the hillside lots to the ranch properties, with the same crew from first assessment to final inspection.
Written by Ruben Castellano, Owner at Tilecraft Roofing, serving San Antonio Heights and the surrounding foothill communities.