Metal roofing
Architectural shingles
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 Alhambra
Roof replacement in Alhambra typically runs $11,500 to $26,000 for a full tear-off on a 1,200 to 2,200 square foot home, with most projects completing in five to ten working days once materials are ordered. That range reflects what we actually see across 91801, 91803, and the surrounding Alhambra neighborhoods: older framing surprises, multiple roof layers, and the specific demands of the housing stock here. The average Alhambra roof we replace is between 40 and 70 years old, which means the job is rarely just shingles. We’re familiar with the permit process at Alhambra City Hall and with what the inspectors look for on homes built before 1970. If you’re weighing whether to repair or replace, call us at (866) 942-4187 and we’ll give you an honest read on what your roof actually needs.
Why Orange County Roofing Co Is Alhambra’s Preferred Roof Replacement Company
We’ve torn enough roofs off Alhambra homes to know what’s waiting underneath. Alhambra is full of 1920s Spanish Colonials, 1940s bungalows, and 1950s tract ranches, and each era has its own failure profile. A house off Fremont Avenue doesn’t fail the same way a house off South Meridian does. That local knowledge changes how we bid, how we stage the job, and how we handle the surprises a permit opens up.
Kurt Hensley runs our roofing operations, and he’s the one who walks every Alhambra roof before we quote it. The company carries seven major shingle brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters here because Alhambra’s housing stock spans so many eras and aesthetics. A 1930s Spanish Colonial in the Bean Tract shouldn’t get the same material as a 1960s ranch north of Valley Boulevard. We install all seven, so the recommendation comes from what fits your house and budget, not from what’s most profitable for us.
Response time to Alhambra is straightforward. We schedule inspections within a few business days, and once you approve a quote, we coordinate material delivery to the site. Our roofing crews work throughout the San Gabriel Valley daily, so we’re not trying to fit Alhambra into a route; it’s already on the route.
Styles & brands we work with






New Roof Installation in Alhambra
New roof installation in Alhambra usually means one of two situations: either you’ve bought a home with a roof that’s beyond saving, or you’re doing a significant remodel and the roof is part of the scope. On a full tear-off, we strip every layer down to the decking, inspect the framing, correct any structural or ventilation issues, and install new underlayment, flashing, and the shingle or tile system you’ve selected. For a standard Alhambra home, new roof installation runs $12,000 to $24,000 depending on square footage, pitch, and material. Steep roofs on pre-1940 Spanish Colonials push toward the higher end because of the added safety rigging and the slower tear-off pace.
What Full Tear-Off Involves
We remove everything, including the old felt and any lath or battens from previous tile systems. The decking gets inspected plank by plank. Alhambra homes from the 1920s and 1930s often have skip sheathing rather than solid plywood, which is fine for tile but inadequate for architectural shingles without additional decking. That’s the kind of thing we catch and write into the plan before demolition starts.
New Construction Tie-In
If you’re adding square footage to an Alhambra home, the new roof has to tie into the existing roofline correctly. We coordinate with your general contractor on flashing details at the transition points, making sure the new and old sections shed water without trapping it. The permit for an addition will require the new roof to meet current Title 24 and city code, and we pull those permits and stand behind the inspection.
Reroofing in Alhambra
Reroofing in Alhambra almost never means simply laying new shingles over old ones. Most homes here have been re-covered at least once already, which means the existing surface is hiding something. On a 1951 ranch house off South Marengo Avenue we pulled three layers of recoated tar-and-gravel down to the original decking and found rotted fascia at the eave line and no soffit vents at all. We wrote a change order with photos before installing new ridge vent and soffit venting, added ice and water shield in the valleys and around penetrations, and set GAF architectural shingles over new underlayment with a proper starter strip and drip edge. That’s what reroofing actually looks like in Alhambra when it’s done right.
Expect reroofing here to run $10,500 to $22,000 on a typical 1,200 to 2,000 square foot home. The spread accounts for tear-off count, deck repair, ventilation additions, and material selection.
Tar-and-Gravel Reroofs
Alhambra’s 1950s ranch homes frequently carry built-up tar-and-gravel roofs that have been recoated multiple times over the decades. A replacement starts with stripping those recoat layers down to original decking before any square count is trustworthy. The recoat hides saturated decking and soft spots, so a bid based on the existing surface undercounts the tear-off and the fascia repair woven into the job.
Wood Shake Replacement
Original wood shake on mid-century tract homes dry-rots and delaminates under inland San Gabriel Valley heat, then becomes a fire hazard that only shows when the shake is lifted. We recommend full removal and replacement with a Class A fire-rated system rather than trying to salvage individual shakes. The underlayment under old shake is typically shot, and it has to come off anyway.
Trusted Brands We Service in Alhambra
We install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral because Alhambra homeowners deserve actual options. You want a specific color of Atlas architectural shingle to match a 1950s ranch aesthetic? We can get it. You want Boral clay tile for a Spanish Colonial on South Atlantic Boulevard because the original profile is no longer produced but Boral makes a close match? We’ll show you samples side by side. Because we’re not tied to one manufacturer, we keep material lead times short for Alhambra projects and we’re honest about which brand actually fits your roofline, pitch, and budget. The right product wins, not the one with the highest contractor margin.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Alhambra Homes
- Recoated tar-and-gravel hiding saturated decking. Multiple recoat layers on 1950s ranch roofs conceal soft spots and dry-rotted wood. A square count based on the visible surface is fiction until we strip it.
- Sun-baked underlayment under intact clay tile. Pre-1940 Spanish Colonials can pass a visual inspection while the underlayment beneath the tile has baked through from decades of inland sun. Only a lift-and-inspect catches it.
- Minimal attic ventilation on older homes. Original Alhambra construction rarely included adequate ridge and soffit venting. Trapped heat and moisture shorten the life of new underlayment unless ventilation is corrected in the same job.
- Flashings rusted from Santa Ana-driven rain. Alhambra’s hot, dry summers followed by concentrated winter rains and Santa Ana wind events create aggressive expansion and contraction cycles. Flashing at chimneys, valleys, and sidewalls fails before the field shingles do.
Pricing for Roof Replacement in Alhambra, CA
Here’s what we quote in Alhambra based on current material and labor costs. A full tear-off and architectural shingle replacement on a standard 1,400 square foot ranch runs $13,000 to $19,000. A Spanish Colonial with steep pitches, tile profile replacement, and older framing repairs runs $18,000 to $26,000. Reroof over existing shingles where code allows runs $10,500 to $14,000. Tar-and-gravel tear-offs with new decking and fascia repair run $15,000 to $24,000. What moves the price: number of existing layers, decking condition, ventilation additions, and the shingle or tile grade you select. Call (866) 942-4187 for a written, line-item quote on your specific roof. Estimates are free and the number we give you is the number we build to unless hidden damage requires a written change order first.
We Also Serve Cities Near Alhambra
Our Roof Replacement team covers Alhambra plus the surrounding San Gabriel Valley communities. We work regularly in East San Gabriel, San Gabriel, South Pasadena, and San Marino, so if your property sits near the border of any of those cities, we know the local permit offices and inspection routines. For the full scope of our coverage, visit our Roof Replacement in Alhambra page or call (866) 942-4187.
Serving Alhambra, CA — Our Local Coverage Area
We’re based in the Alhambra 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 Alhambra
Yes, in many cases it does, and we plan for it in the bid. On the South Marengo job, the same walk that caught rotted fascia also found undersized rafter blocking and old knob-and-tube wiring in the attic that had to be corrected before the deck was closed back in. Alhambra’s building inspectors will require current ventilation, nailing patterns, and fire-rated assembly once a permit is open. We write an allowance into the contract for exactly this, and if a specific fix exceeds it, you get a written change order with photos before we proceed. Call (866) 942-4187 if you want to know what your specific home is likely to trigger.
We generally won’t, and here’s why: the recoat layers hide saturated decking and soft spots. Laying a new system over that is a temporary fix that locks moisture in and fails early. We strip to the original decking, inspect, and rebuild from there. On our South Marengo project, the third recoat was the only thing holding water out, and the decking underneath was shot in two sections. Reroofing over it would have been a $14,000 cover-up that leaked within three years. A proper tear-off ran higher upfront but the owner got a roof that will last 30 years.
Often the tile is reusable and the failure is underneath it. Alhambra’s pre-1940 Spanish Colonials can look pristine from the ground while the underlayment beneath has baked through from decades of inland San Gabriel Valley sun. Rusted flashings at the valleys and sidewalls are part of the same failure. We do a lift-and-inspect where we pull tile sections in a few strategic spots and assess the underlayment. If the tile is sound, we remove and reset it over new underlayment, which saves you thousands versus full tile replacement. If the tile is cracked or spalled, Boral makes profiles that match the original Alhambra clay profiles closely.
Look at four things: what the tear-off includes, what the underlayment specification is, whether the bid includes ventilation corrections, and what happens when hidden damage is found. A bid that doesn’t include a tear-off allowance line item for your 1950s tar-and-gravel ranch is not a real bid. Ask each contractor to walk the attic, not just the roof. Ask what underlayment they’re installing by brand name and spec. And ask what their change order process is when the decking turns out to be rotted. A vague answer is an answer.
Yes, when they’re installed to the manufacturer’s high-wind spec, which includes a proper starter strip, the right nail pattern, and drip edge details. Santa Ana events in Alhambra can gust 50 to 70 mph, and most shingle failures we see here are installation failures: overdriven nails, missing starter strip, or shingles laid over deteriorated decking. We install GAF, CertainTeed, Owens Corning, and Atlas architectural shingles with the wind rating your specific zip code requires under current building code. The material is not the weak point. The deck and the nailing pattern are.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Alhambra and the San Gabriel Valley.