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 Installation Across Montebello
Roof installation in Montebello means dealing with a housing stock that most roofers in LA County rarely touch: 1920s Spanish Colonials with original clay tile, 1950s Craftsman bungalows over skip sheathing, and mid-century flat-roofed apartment buildings with built-up membrane. We know these roofs because we work on them every week. If you need a new roof planned, priced, and installed without surprises, call (831) 777-6412 and we’ll walk your property with you, then put every number in writing before anything starts.
Why Crestview Roofing Co West Covina Is Montebello’s Preferred Roof Installation Company
Crestview Roofing has built its reputation in the San Gabriel Valley by doing what most roofers won’t: putting a written price in your hand before a single tile comes off. Dylan Pace leads every Montebello job with the same simple rule: the number on the page is the number on the invoice. Homeowners in Montebello get before-and-after photo documentation, a live trackable arrival time through The Relay Standard, and a digital invoice sent by text. No four-hour windows. No phone tag with a dispatcher who doesn’t know your street.
Our crews drive Montebello’s boulevards and hillside streets daily. We know that a roof on Maple Avenue faces different wind exposure than one tucked north of Beverly Boulevard. We know which local supply houses stock the tile profiles these older homes need. And we know the difference between a roof that just looks old and one that’s one Santa Ana gust away from failing at the eaves.
Styles & brands we work with
Roof Ventilation in Montebello
Roof ventilation in Montebello is one of the most undersold parts of any Roof Installation job, and the Mediterranean climate here punishes homeowners who skip it. Montebello’s summer sun bakes attic air to 140 degrees or more, and without proper intake and exhaust airflow, that heat radiates down into living spaces, sends cooling bills up, and cooks the underside of your shingles or tiles, cutting their service life by years.
What Proper Ventilation Involves
A correct system balances intake at the eaves with exhaust near the ridge. On older Montebello homes with original skip sheathing and no soffit vents, we typically add continuous soffit venting and a ridge vent or low-profile box vents depending on the roof geometry. We calculate the net free area needed per 150 square feet of attic floor, per California building code, then write the spec into your quote before work starts.
Costs for Montebello Roof Ventilation
Adding or upgrading roof ventilation as part of a Montebello roof installation typically runs $450 – $1,100, depending on whether we’re fitting vents into an existing soffit design or modifying the roofline for a ridge vent. If the attic already has adequate exhaust but no intake, the job usually lands at the lower end of that range. Every quote is line-itemed before you sign anything.
Roof Flashing Installation in Montebello
Roof flashing installation in Montebello is where otherwise solid roofs go wrong, especially on the older Craftsman bungalows and Spanish Colonials that dominate the neighborhoods south of Whittier Boulevard. Flashing is the metal, often galvanized steel or aluminum, that seals every joint where roof planes meet chimneys, walls, vents, and valleys. Homeowners in Montebello need new flashing whenever they replace a roof, and honestly, often before that, because rusted or missing flashing is the number one source of the ceiling stains we see after a heavy winter rain.
Common Flashing Failures in Montebello Homes
On the pre-1950 homes north of Beverly Boulevard, installers decades ago used thin, uncoated metal that’s now rusted through at the corners. Step flashing along side walls wicks water behind stucco. Chimney flashing pulls away after years of thermal expansion, and valley flashing that was nailed too close to the center corrosively fails just when the next atmospheric river arrives.
What Quality Flashing Costs Here
New roof flashing installation in Montebello, done as part of our Roof Replacement in Montebello, adds roughly $300 – $800 depending on how many penetrations and valleys your roof has. Replacing flashing on a single problem area as a standalone repair usually runs $275 – $600, including sealant and proper tie-in to the existing roof plane. We’ll give you the exact figure after we walk the roof.
Trusted Brands We Service in Montebello
We install GAF and Certainteed service in Montebello on most Montebello homes because those two lines offer the widest range of profiles that match older Spanish Colonial and Craftsman styles, plus Owens Corning for homeowners who want a specific color match on a mid-century flat-to-slope transition. For the hillside homes north of Beverly Boulevard where original clay tile profiles must stay consistent, we use Boral tiles, which still produce the historic S-curve profiles you see on 1920s and 1930s colonials. Our crews are factory-trained on all three, so the warranties stay intact and the install details meet manufacturer spec.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in Montebello Homes
- Original clay tile over skip sheathing with failed underlayment. This is the defining Montebello roof condition. Tiles look perfect from the curb, but the felt beneath them disintegrated decades ago, so water runs straight to the ceiling after hard rain. The fix is full removal, new solid decking where code requires it, and new underlayment before tiles go back.
- Santa Ana wind damage at tile edges and flat membrane perimeters. Montebello sits in a wind corridor when the Santa Anas blow, and lifted tile edges or peeling membrane on 1950s apartment buildings turn a small leak into interior damage overnight. We re-secure and replace edges with new fasteners and proper term bars on flat roofs.
- Reused old flashing during previous repairs. We see this on Craftsman bungalows all over Montebello: a previous repair pulled the shingles but kept the 1950s flashing, and now the fascia rots and water wicks into the decking. New flashing at every penetration is not an add-on on our jobs; it’s standard.
- No drip edge at roof edges. On older homes, installers frequently skipped drip edge, so water runs down the fascia and rots the wood. We install new drip edge on every perimeter, and we include it in the base quote, not as an upsell.
Pricing for Roof Installation in Montebello, CA
A full tear-off and re-roof in Montebello for a standard 1,400 – 1,800 square foot single-story home with asphalt shingles runs $9,500 – $14,000, including removal, disposal, decking repairs, underlayment, new shingles, flashing, and drip edge. If your home has original clay tile and you want to reinstate a Boral tile profile, expect $22,000 – $38,000 because of the tile cost, the slow reinstallation, and any decking replacement beneath. Flat-roof membrane on a 1950s apartment building typically runs $6.50 – $9.50 per square foot. Call (831) 777-6412 and we’ll give you a written estimate specific to your address.
We Also Serve Cities Near Montebello
Crestview Roofing Co West Covina serves Montebello plus Whittier, Hacienda Heights, West Covina, and Rowland Heights along the 60 and 605 corridors. If your roofing project crosses into a neighboring community, we handle the permits and inspections for the same written pricing. For full details on our service area, see our Roof Installation page.
Serving Montebello, CA - Our Local Coverage Area
We’re based in the Montebello 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 Installation in Montebello
Yes, in most cases a re-roof of a 1920s Montebello Spanish Colonial triggers California Title 24 cool roof requirements, which means the replacement roofing product must meet a minimum solar reflectance and thermal emittance. Clay tile naturally meets this in lighter colors, but if you’re switching to asphalt shingles, you’ll need a cool-rated product, which most GAF and CertainTeed lines offer. We write the Title 24 compliance into your quote so there’s no change order later. Call (831) 777-6412 for an exact read on your roof.
The underlayment beneath the tiles has decayed, which is the signature failure of Montebello’s pre-1950 hillside homes where tiles sit over original skip sheathing. The tiles shed most water, but once the felt below them turns to dust, the wind-driven rain gets through and follows the decking to the ceiling. The fix is full tile removal, new decking and underlayment, then tile reinstallation. Call us at (831) 777-6412 for a free inspection; this condition only gets worse.
We pull the permit for every Montebello roof installation and build a written allowance into the contract for code-mandated upgrades, like solid roof decking over skip sheathing, title 24 cool roof compliance, or additional structural fastening. If the inspector requires something beyond the allowance, we price it in writing before touching it, and you approve before we proceed. The number on the contract moves only with your signature. Call (831) 777-6412 to see a sample contract.
We inspect the existing membrane condition first, then price a full built-up or modified bitumen replacement with new term bars at every perimeter and positive drainage to the existing drains. Many Montebello apartment buildings have original 1950s drains that have settled, and we correct the slope before installing the new membrane so ponding water doesn’t become a leak in three years. Our crews run a separate work cell for flat roof work; they’re on Montebello flat roofs every month. Call (831) 777-6412 for a flat-roof quote specific to your building.
A square is 100 square feet, and most Montebello single-story homes run 14 – 22 squares of roof area, which is usually more than the home’s footprint because of roof pitch and overhangs. Every line item in your quote is computed per square, so a 2-square error in measurement translates to hundreds of dollars in materials. We measure with satellite imagery plus a physical roof walk, then stand behind the square count in writing. Call (831) 777-6412 for a free, written square count and line-item price.
If you’re pricing a new roof in Montebello, get a number in writing, from a roofer who knows the difference between a tile roof that looks fine and one that’s days from leaking. We do the inspection first, quote the full job second, and never start until you say go. Call (831) 777-6412 to schedule your free estimate.
Written by Dylan Pace, Owner at Crestview Roofing Co West Covina.