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 San Gabriel
Roof replacement in San Gabriel typically runs $11,500 – $24,000 for a standard 1,500 – 2,200 sq ft home, with architectural shingles on the lower end and full clay tile re-lays or metal on the upper end. The biggest variable in this city isn’t material cost – it’s what the crew finds once the old roof comes off. We’ve worked the 91775, 91776, and 91778 ZIP codes long enough to know that San Gabriel’s 1920s – 1950s housing stock hides surprises under every layer, and we price those surprises the honest way: inspect first, write allowances into the contract, and get written approval before we touch anything unexpected. If you’re weighing a roof replacement in San Gabriel, call us at (866) 321-6172 for a free estimate and a straight answer on what your roof actually needs.
Why Van Nuys Roofing Co Is San Gabriel’s Preferred Roof Replacement Company
San Gabriel homeowners call us for one reason more than any other: we work with seven major roofing material brands – GAF, CertainTeed in San Gabriel, Owens Corning, IKO, Atlas, Tamko, and Boral – so our recommendation comes from what your roof needs, not what our supplier pushes. That matters in a city where one block has 1930s Spanish Colonial with original clay barrel tile and the next has a 1960s ranch with worn-out wood shake. We’re not married to a single product line, and that means we’ll tell you when those brittle antique tiles are worth saving and when a full tear-off with new architectural shingles makes more sense.
Our Roof Replacement team has spent enough time in the Mission District and the older tracts around East San Gabriel to know what we’re going to find before we even set up the ladder. That local knowledge changes how we quote, how we schedule, and how we handle the surprises that every older San Gabriel roof tends to produce. Rick Dominguez, who leads our crews, trains every installer to treat your existing roof as evidence, not just an obstacle. That inspection-first approach means your quote reflects reality, not a best-case scenario.
We also show up with the right paperwork. Permits get pulled, inspections get passed, and any code-triggered upgrade – drip edge, flashing, decking repair – gets priced and approved in writing before we touch it. San Gabriel’s building department has specific requirements for re-roofs on older homes, and we know what they’ll ask for.
Styles & brands we work with






New Roof Installation in San Gabriel
New roof installation in San Gabriel usually means one of two situations: a full tear-off on a home where the existing roof is too far gone to reuse, or a new-build project where the roof goes on before the owners ever move in. For a standard San Gabriel ranch or Spanish bungalow, a full tear-off and new architectural shingle roof runs $11,500 – $18,500. If you’re going with new clay, concrete, or Boral tile, expect $22,000 – $38,000 depending on pitch, complexity, and whether the tile is new or re-laid.
Full Tear-Off and Replacement
When the decking is rotted, the underlayment is dust, and the shingles are curling off the eaves, there’s nothing worth saving. We strip to the decking, inspect every sheet of plywood or OSB, replace what’s compromised, then install the new system from the deck up. In San Gabriel, where many homes still carry original 1930s – 50s materials, the tear-off phase often uncovers code-triggered upgrades – and we price those as documented change orders, never as end-of-job surprises.
New Construction Roofing
For new builds in San Gabriel, we coordinate with your GC or build directly from your plans. New construction gives us the chance to get pitch, ventilation, and underlayment right from the start, and because we work with seven major manufacturers, we can match whatever the architect spec’d – CertainTeed, Owens Corning, GAF, or something more specialized – without switching contractors mid-project.
Reroofing in San Gabriel
Reroofing in San Gabriel is where we earn our reputation, because this city has more roofs worth layering over than almost anywhere else in the San Gabriel Valley. A reroof typically costs $8,500 – $16,000 depending on whether you’re adding a second layer of asphalt over sound decking or doing a tile re-lay over new underlayment. The deciding factor is always what’s underneath: if the existing system is stable and the decking is dry, a reroof can save real money without cutting corners. If it’s not, a reroof over compromised decking is a five-year problem, and we’ll tell you that straight.
Tile Re-Lay Over New Underlayment
This is the specialty that separates San Gabriel from neighboring cities. In the Mission District and the older 91775 blocks, original 1930s – 50s clay barrel tile is often too brittle to strip and re-stack without breaking, so the right job is often a lift and re-lay: remove the antique tile carefully, replace the failed underlayment, then set the same tile back down. It’s slower than a tear-off, but it preserves the historic character that San Gabriel homeowners actually care about – and it’s a skill that barely exists in Rosemead or Arcadia, where there’s no vintage tile worth saving.
Overlay Reroofing
When codes allow and the existing asphalt roof is structurally sound, a second layer of architectural shingles can go over the original. San Gabriel’s mild, dry climate means existing shingle roofs here often have more life in the decking than they would in a humid coastal market, so overlay is a realistic option more often than people expect. We’ll check the decking, ventilation, and fastener schedule before we recommend it – and if it’s not the right call, we’ll say so.
Trusted Brands We Service in San Gabriel
We stock and install material from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral – seven leading brands, one crew that knows them all. That matters in San Gabriel because different homes need different products: a 1940s Mediterranean bungalow might call for a specific Boral tile profile, while a 1970s tract ranch could be better served by CertainTeed architectural shingles. Because we’re brand-agnostic, your roof gets the material that fits its architecture and your budget, not whatever our supplier had a deal on this quarter. We also keep common tiles, shingles, and underlayment accessible for San Gabriel jobs, which cuts turnaround time when a project starts moving.
Common Roof Replacement Problems We See in San Gabriel Homes
- Brittle vintage clay tile. Original 1930s – 50s barrel tile in the Mission District often cracks on removal, turning a planned full replacement into a tile-matching scavenger hunt and a partial re-lay. We lift and set the original tile over new underlayment rather than breaking what can’t be replaced.
- Rotted decking at valleys and penetrations. Decades of sun-baked underlayment means the first rain finds every weak spot. Opening an older San Gabriel roof regularly turns up split decking at valleys and around pipe penetrations – and a low bid that never priced for deck replacement suddenly becomes an end-of-job surprise.
- Code-triggered upgrades on re-roofs. San Gabriel’s permit process requires drip edge, updated flashing, and often improved ventilation on older homes. We write those upgrades into the contract as line items, so you see the cost before the work starts, not after.
- Dry-season debris backing up the first storms. San Gabriel Valley summers leave valleys and gutter lines loaded with dry leaves and grit. When the winter rains hit, that debris traps water at valleys and pipe penetrations exactly where your leak is going to show up.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Replacement in San Gabriel, CA
Here’s what San Gabriel homeowners should expect to pay, based on the work we’ve completed across 91775, 91776, and 91778:
- Full tear-off + architectural shingles: $11,500 – $18,500 (1,500 – 2,200 sq ft typical)
- Full tear-off + new clay/concrete/Boral tile: $22,000 – $38,000
- Reroof (asphalt overlay over sound decking): $8,500 – $14,000
- Tile re-lay over new underlayment: $12,000 – $20,000
- Decking repair (per sheet, as found): $85 – $140 per sheet plus labor
The spread between a low bid and a high bid in San Gabriel usually comes down to one thing: is the quote pricing for what’s visible, or for what’s actually under the old roof? We inspect first, write realistic allowances for decking, flashing, and code upgrades into every contract, and every surprise gets priced and approved in writing before we touch it. Call (866) 321-6172 to schedule a free inspection and get a line-item quote that won’t move on you.
We Also Serve Cities Near San Gabriel
Our crews work throughout the San Gabriel Valley, including Roof Replacement in San Gabriel and the surrounding communities of East San Gabriel, San Marino, Alhambra, and Rosemead. If you’re in one of these nearby cities, the same inspection-first approach and multi-brand material access applies. Call us at (866) 321-6172 for a free estimate no matter which side of the 10 you’re on.
Serving San Gabriel, CA — Our Local Coverage Area
We’re based in the San Gabriel 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 Gabriel
Yes, in most cases we can lift and re-lay your original clay barrel tile over new underlayment rather than replacing it. This is the right call for Mission District and older 91775 homes where the original tile is historically significant but the underlayment beneath it has failed. We inspect each tile as we lift it; any that crack get matched as closely as possible from our salvage sources, though exact color match on 70-year-old sun-faded tile can be a hunt. Call (866) 321-6172 and we’ll tell you whether your tile is worth saving before you spend anything.
In our experience on 1920s – 1950s homes, opening a San Gabriel roof typically turns up dried-out underlayment, rotted decking at valleys and penetrations, and – once the roof is open – a permit-driven requirement for upgraded drip edge and flashing. That’s why our contracts include written allowances for decking repair and code upgrades, and why any additional finding gets priced and approved in writing before we proceed. You’re never absorbing a surprise at the end of the job. Call (866) 321-6172 for an inspection that tells you what’s under there before you commit.
San Gabriel re-roof bids swing because different contractors are pricing different levels of risk. A low bid often prices only what’s visible from the ground: the shingles and underlayment. A realistic bid prices the probability of rotted decking, code-triggered upgrades, and tile handling on older Mission District homes – which is real work that’s going to surface once the roof opens up. Our quotes include those allowances up front, in writing, so the number you approve is the number you pay, barring a documented, approved change order. Call (866) 321-6172 for a line-item quote with the risk already priced in.
Yes. The architectural shingles we install – from GAF, CertainTeed, Owens Corning, and Atlas – are rated for high-wind conditions when installed to manufacturer spec with the correct fastener pattern and nail placement. San Gabriel sits in the dry valley corridor where Santa Ana events push 40 – 60 mph gusts through the passes, so we install to the higher wind-speed spec rather than the minimum, and we flash and fasten valleys and eaves to handle the uplift those winds create. A properly installed architectural shingle roof will hold up to what San Gabriel throws at it. Call (866) 321-6172 to talk through which specific shingle ratings match your home’s exposure.
Yes. Our Roof Replacement crews handle wood-shake tear-offs, and we regularly convert shake to architectural shingles or standing seam on San Gabriel’s older ranch homes. For low-slope and flat sections on 1950s – 60s infill and additions, we install and re-cover modified bitumen, TPO, and torch-down systems. If your San Gabriel home mixes a pitched main roof with a flat porch or addition roof, one crew handles both – no need to coordinate two contractors. Call (866) 321-6172 for a free estimate on whichever roof type you’ve got.
Get Your San Gabriel Roof Replacement Quote
If your San Gabriel roof is past patching and you want an honest answer on repair versus replacement, call Van Nuys Roofing Co at (866) 321-6172. We’ll inspect what’s up there, tell you what you’re actually working with, and quote the job with realistic allowances in writing – including the brittle tile, rotted decking, and code upgrades that cheaper bids conveniently leave out. Seven leading brands, one crew that knows them all. Your roof, your material choice.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving San Gabriel and the San Gabriel Valley.