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 Replacement Across Glendora
Roof replacement in Glendora runs $11,500 – $28,000 for a typical single-family home, depending on material, slope, and how much decking needs to be rebuilt. Most full tear-offs take five to eight working days once permits clear. We’re Hawk Roof Repair, led by Noel Ibarra, and we serve Glendora from our Ontario base, getting a crew to your street quickly enough that a Monday inspection usually means materials ordered by Thursday. If you’re seeing stains on the ceiling or shingles in the yard after a Santa Ana blow, call us at (877) 731-1384 for a straight diagnosis before you spend a dime.
Why Hawk Roof Repair Is Glendora’s Preferred Roof Replacement Company
Glendora homeowners keep calling us back because we inspect before we quote. Every time. No ladder-top sales pitch. Our Roof Replacement team works with seven major material brands, which means you get a replacement matched to your home and your budget, not whatever we happen to stock that month. We don’t push a single manufacturer. We show you the options and let you choose.
Noel Ibarra runs every Glendora job with hawk-eye detail on every slope, valley, and seam. Our reputation in the San Gabriel Valley comes from catching the small stuff: lifted flashing, cracked valleys, failing underlayment, the nail-pop patterns that void wind ratings. Glendora customers repeat the same thing about the work: we leave the site cleaner than we found it and the neighbors aren’t angry. On tight lots, that matters.
Because we’re based in Ontario, we reach Glendora’s 91740 and 91741 ZIP codes fast. Inspections are a standalone service, scoped and documented before any replacement conversation begins. That separation is deliberate. You find out what your roof actually needs before anyone talks price.
Styles & brands we work with






Roof Replacement Contractor in Glendora
Hiring a Roof Replacement Contractor in Glendora means finding someone who understands your specific exposure, and that’s exactly what we do. A full replacement here means tearing off the old material to the decking, replacing rotted or damaged sheathing, installing new underlayment, flashing, and ventilation, then laying the new covering. Most Glendora homes need this when the roof has passed year 20, when wind-driven shingle loss keeps recurring, or when leaks have rotted decking in multiple spots. On a typical 1,600-square-foot ranch in the flat 91740 core, a straightforward architectural shingle replacement runs $12,000 – $18,000. Larger foothill homes with steep slopes and complex valleys in 91741 run $20,000 – $28,000.
Full Tear-Off and Decking
We don’t layer new shingles over old ones. Glendora’s dry heat bakes old organic shingles brittle, and layering just hides decking rot until it fails. We pull everything to the sheathing and check every sheet. Rot from old patio-cover tie-in leaks on 1950s and 60s tract homes shows up most often at the seams, and we replace those sheets before the new roof goes on.
Permit and Inspection Process
Glendora requires permits for roof replacements, and the city checks both the roof assembly and the final work. We handle the permit pull, schedule the inspections, and walk the job through to sign-off. On dense lots where the roof is visible from the street, we keep the dumpster and staging tight so the inspectors and the neighbors both stay on our side.
Asphalt Shingle Roof Replacement in Glendora
Asphalt Shingle Roof Replacement in Glendora is the most common full replacement we do, and for good reason. Architectural shingles hold up to the city’s hot, dry summers better than old three-tab products, and when installed with the right nailing pattern, they carry real wind ratings that matter in the Santa Ana corridors. A standard architectural shingle replacement in Glendora runs $12,000 – $19,000 on a mid-sized home, with premium lines like GAF Timberline or CertainTeed Landmark adding $1,500 – $3,000 depending on square footage and slope.
Architectural Shingle Options
We install architectural shingles from GAF, CertainTeed, Owens Corning, and Tamko, each with manufacturer-backed wind and material warranties. For 91741 homes in the wildland-urban interface, we talk through Class A fire-rated shingle options and the wind ratings that actually hold during a Santa Ana event. The label on the wrapper means nothing if the nailing is wrong, so we verify every pattern against the manufacturer’s spec.
Roof Decking Replacement
On Glendora’s mid-century homes, decking replacement is often part of the job. The original 1/2-inch plywood or spaced board sheathing from the 1960s has dried and warped over six decades. We inspect every sheet after tear-off and replace what’s rotted, delaminated, or too thin to hold a nail. In the 91741 foothill homes, dry rot at valley framing and around skylight penetrations is a recurring issue we catch early.
Trusted Brands We Service in Glendora
We’re not tied to one manufacturer, and that changes the conversation for Glendora homeowners. You can choose GAF Timberline for a balanced cost-to-wind-rating profile, CertainTeed for gold-standard algae resistance on treed lots, or Tamko for a budget-friendly architectural option that still carries a solid warranty. We keep common accessories in our Ontario yard and can get anything from the Glendora supply houses within two days, so material lead time rarely slows a job. If an insurance claim specifies a brand, we work with it. If not, we’ll show you the honest differences and let you decide. The right material for your roof, not the one we happen to stock.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Glendora Homes
- Ember intrusion during Santa Ana events. Older shake roofs in 91741 sit in the wildland-urban interface, and when wind drives embers into valleys and penetrations, the dry material under the covering is the real hazard. Replacement with Class A-rated shingles and ember-resistant valley flashing is the most durable fix.
- Recurring leaks at patio-cover tie-ins. On 1950s and 60s tract homes in 91740, the flat-roof-to-patio-cover seam is the most common leak point we rebuild. Original flashing there was often thin aluminum that corroded decades ago, and the leak returns every rainy season until the tie-in is torn out and rebuilt.
- Shingle blow-off from bad nailing patterns. Exposed slopes on Glendora’s foothill streets catch the full force of canyon winds. If the original installer nailed high or over-drove, the wind rating on the shingle wrapper was void before the first gust. We catch these patterns during the inspection, not after the next wind event strips a slope.
- Ventilation failures in mid-century attics. Homes in the 91740 core were built with minimal attic ventilation, and sixty years of dry heat means baked shingles and warped decking above a stifled attic. A proper replacement includes ridge and eave vents matched to the attic volume, which extends the life of the new material.
Pricing for Roof Replacement in Glendora, CA
Here’s the honest range we quote to Glendora homeowners. A standard architectural shingle replacement on a 1,400 – 1,800-square-foot ranch in 91740 runs $12,000 – $18,000. Larger foothill homes in 91741, with steeper slopes, more valleys, and often higher decking-replacement ratio, run $20,000 – $28,000. Flat roof sections or patio-cover tie-ins add $2,000 – $5,000 depending on size and condition. What moves the number are square footage, slope, number of penetrations, decking condition, and whether the old material is shake or shingle. We give written line-item quotes before any contract is signed, and the price doesn’t change mid-job unless we open the decking and find rot we couldn’t see from the top. Call (877) 731-1384 for a free estimate, and we’ll walk the roof with you and show you exactly what’s there.
We Also Serve Cities Near Glendora
Hawk Roof Repair covers the whole eastern San Gabriel Valley, including Roof Replacement in Glendora and the surrounding communities. If you’re in Azusa, Citrus, Covina, or Irwindale, we’re already working in your neighborhood and know the same wind patterns, the same mid-century tract stock, and the same foothill exposure you live with. One phone call gets the same inspection-first process.
Serving Glendora, CA — Our Local Coverage Area
We’re based in the Glendora 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 Glendora
Yes, Glendora requires a building permit for any roof replacement, and the city inspects both the stripped deck and the finished assembly. On dense 91740 lots, permit approval can hinge on staging, because the city wants to know where your dumpster and material staging will sit. We pull the permit, provide the staging plan, and walk the inspections through to final sign-off.
On Glendora’s narrow flatland lots, we stage materials on the street with a permit from the city and keep the dumpster in the driveway when we can, or in a protected street spot when we can’t. We check with the neighbor before we block any shared access, and we give party-wall notice when the roof edge sits inches from the next home’s wall. Our crews work within the city’s 7 a.m. to 7 p.m. construction window, so the neighborhood stays quiet in the evenings. Call (877) 731-1384 and we’ll scope your lot before quoting, because access changes the number.
A shake tear-off in 91741 is heavier, dustier, and requires ember-resistant underlayment transitions, while a built-up roof in 91740 means removing layered asphalt and often replacing rotted decking at old tie-in seams. The foothill shake job costs more because of slope and disposal weight; the flatland job costs more when the patio-cover flashing has rotted through. We quote both differently for good reason. Call (877) 731-1384 for a free inspection and we’ll tell you exactly which condition you have.
If we can’t get a truck and dumpster close to the roof edge, labor hours go up. On Glendora’s tight lots with side yards under four feet, we hand-carry tear-off debris and materials in wheelbarrows, which adds time. On foothill streets with steep driveways and no street parking, we use smaller staging vehicles and schedule around access windows. The roof itself may be the same size, but access is a real cost line item, and we show it as such on the written quote.
Ask two things: what the shingle’s wind rating is, and whether the installer follows the manufacturer’s nailing pattern to achieve it. A shingle with a 130 mph wind rating means nothing if the nails are placed high or over-driven, and we see that on Glendora roofs all the time. On exposed slopes facing the canyon mouths, we recommend shingles rated for 110 mph or higher and we document installation against the spec, so the warranty is real. Call (877) 731-1384 and we’ll review your current roof’s wind exposure during the free inspection.
Written by Noel Ibarra, Owner at Hawk Roof Repair, serving Glendora and the San Gabriel Valley with inspection-led roofing since day one.