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 Bel Air
Working with a trusted Roofing Company - Bel Air homeowners rely on, roof installation typically runs $28,000 to $140,000+ for a full replacement on the area’s large estate homes, with clay tile and slate systems at the upper end. For most Bel Air properties, expect architectural review to add four to eight weeks before the first shingle or tile comes off. Call (341) 217-2677 and we’ll walk you through the entire process, from HOA submittal to final inspection, with a written price before any work begins.
Our crews know the roads, the gate codes, the hillside setbacks, and the specific LADBS requirements that govern work up here. We’re familiar with the estates off Stone Canyon Road, the mid-century homes near the Bel Air Country Club, and the newer builds along Stradella Road. When you call, a live person answers. We’ll send you the technician’s name and photo before anyone rings your bell, and that technician will badge in with photo ID at your door.
Key Takeaways
- Full roof installation in Bel Air ranges from $28,000 to $140,000+ depending on material and roof complexity
- HOA architectural review adds 4 to 8 weeks to most Bel Air roof projects
- Hillside lots on 4:12+ slopes trigger LADBS Section 91.7003.2.4.2 structural engineering requirements
- Class A fire-rated materials are non-negotiable in Bel Air’s wildfire overlay zone
- Every job comes with a written price before work starts and a 365-Day Done Right Promise
Styles & brands we work with






Why Mercer Roofing Co Woodland Hills Is Bel Air’s Preferred Roof Installation Company
Grant Whitlock, our owner, has built this company around a simple idea: homeowners should know exactly who’s coming to their door and exactly what the work will cost before anything starts. Founded in 2000 and part of the Threshold Group family of home-service companies, we hold every technician to the Threshold Verified standard: background-checked, identity-verified, uniformed, and photo-badged. That matters in Bel Air, where estate managers and homeowners often coordinate with multiple vendors and need proof of who’s on site.
Our Roof Installation team has handled tile replacements on 1920s Spanish Colonials, full tear-offs on 1960s ranches, and modern builds requiring custom metal work. The permitting process here is different from anywhere else in Los Angeles. We file the paperwork, attend the inspections, and build buffer days into the schedule so your project doesn’t stall waiting on a city inspector. Dispatch and scheduling are coordinated from the brand’s Los Angeles office; crews serve Bel Air directly and know the area well.
Bel Air homeowners choose us for one reason above all: certainty. Certainty about the price. Certainty about who’s on the property. Certainty about what the guarantee covers and for how long. Our 365-Day Done Right Promise is written, not verbal. If the work isn’t right within a year, we make it right.
Tile Roof in Bel Air
Tile roof installation in Bel Air is the most common job we quote, because so many of the area’s estates were built with clay tile from the 1920s through the 1950s and the owners want to keep that original architectural character. A full tile roof replacement here typically runs $45,000 to $140,000 depending on roof size, pitch, and whether you’re matching original clay or switching to a lighter composite like Boral. The structural question is where Bel Air differs from flatland cities: on any slope over 4:12, LADBS requires an engineering letter certifying the existing framing can handle the tile’s dead load.
Matching Original Clay Tile Profiles
Many Bel Air estates have tile profiles that are no longer mass-produced. We start with color-matched drone photography of the existing roof and work with manufacturers to find the closest current production match. Boral and GAF both make profiles that replicate 1920s and 1930s Mission and Spanish tile shapes closely enough to pass most HOA architectural committees without custom fabrication.
Underlayment and Fire Rating
Bel Air sits inside a wildfire overlay zone, which means the underlayment spec matters as much as the tile itself. We install Class A fire-rated systems with modern high-temperature underlayments that outperform the original 1940s felt. The HOA committee will want to see this spec in your submittal packet, and we include it every time.
Roof Ventilation in Bel Air
Roof ventilation in Bel Air is a problem we solve on nearly every installation, because the original estate homes were built before modern ridge-and-soffit ventilation was standard and decades of Mediterranean climate cycles have taken a toll. Proper ventilation prevents moisture buildup during mild, wet winters and keeps attic temperatures from cooking the underside of your roofing material during hot, dry summers. A full ventilation retrofit during a roof installation typically adds $3,500 to $9,000 depending on attic volume and access.
Why Original Bel Air Roofs Struggle
Many 1940s and 1950s Bel Air homes were built with minimal eave venting and no ridge vents. The attics run hot, which shortens shingle and tile underlayment life and drives cooling costs up. When we’re already doing a full tear-off, adding proper ventilation costs less than retrofitting later, because the decking is exposed and we can cut ridge and eave openings cleanly.
Ventilation for Tile Systems
Tile roofs need ventilation just as much as shingle roofs do, but the systems look different. We use hidden ridge vents that sit under the tile cap and preserve the clean architectural line Bel Air HOAs require. No visible plastic vents, no protrusions that break the roofline.
Trusted Brands We Service in Bel Air
We install and repair roofing systems using manufacturer-recognized shingle and tile brands including Atlas, Tamko, and GAF. For Bel Air’s tile-heavy housing stock, we also work extensively with Boral for lightweight composite tile that meets Class A fire ratings without the structural weight of original clay. Because so many Bel Air jobs involve matching existing materials, we keep close relationships with local suppliers who stock the profiles and colors common to this area. That means less waiting on special orders and faster turnaround when your HOA finally approves the work. Every material we install is covered by the manufacturer’s warranty, and our workmanship is covered by Mercer’s written guarantee.
See the difference
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After
Before
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Before
AfterCommon Roof Installation Problems We See in Bel Air Homes
- Hillside structural triggers. Bel Air lots on slopes over 4:12 hit LADBS Section 91.7003.2.4.2, which requires an engineering letter for dead load certification before the permit is issued. Flatland cities don’t face this as often, which is why generic roofing timelines fall apart up here.
- HOA stop-work orders on unapproved materials. Installing a modern standing-seam metal roof without architectural committee sign-off on the exact gauge and finish can trigger a forced tear-off if the board decides the metal’s reflectivity violates Bel Air’s muted palette rules. We submit finish samples and gauge specs before we order materials.
- Santa Ana wind exposure during tear-off. A full tear-off scheduled without buffer days for LADBS field inspections can leave decking exposed during an October wind event. We build inspection buffer days into every Bel Air schedule so the roof goes watertight fast.
- Fascia and hidden gutter rot. Many Bel Air estates have original 1940s fascia supporting hidden copper gutters. Decades of fog drip cause dry rot that fails when new gutters are hung. We check for rot before we install, because a sagging copper gutter two years later breaks the architectural line your HOA approved.
Pricing for Roof Installation in Bel Air, CA
A typical full roof installation in Bel Air runs $28,000 to $140,000+. The wide range reflects reality: a 2,800 square foot mid-century ranch with asphalt shingles sits at the lower end, while a 8,000+ square foot estate with clay tile, complex rooflines, and custom flashing sits at the upper end. Factors that move the price include roof pitch and accessibility, material choice, the number of valleys and penetrations, whether the decking needs replacement, and whether hidden gutter systems need restoration. We give you a written line-item price before any work starts. That price does not change unless you change the scope. Call (341) 217-2677 to schedule a free estimate, and we’ll walk the roof with you and explain exactly what we see.
We Also Serve Cities Near Bel Air
Our crews regularly work in Woodland Hills, Simi Valley, Agoura Hills, and Topanga. If you own property in one of those areas, we bring the same written pricing and Threshold Verified technicians to every job. Our Roof Installation team handles hillside and flatland work across the western Los Angeles area.
Serving Bel Air, CA - Our Local Coverage Area
We’re based in the Bel Air 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 Bel Air
Plan on four to eight weeks, depending on whether your HOA’s architectural committee meets monthly or twice a month and whether your submittal packet is complete the first time. Most delays come from incomplete packets: missing engineering letters, vague material specs, or lack of color-matched photos. We prepare the full packet for you, file it, and track it through approval. Call (341) 217-2677 and we’ll give you a realistic timeline for your specific property.
Yes, if your roof slope exceeds 4:12 and you’re in the hillside zones governed by LADBS Section 91.7003.2.4.2. The city will not issue the permit without a structural engineer’s certification that the existing framing can handle the new material’s dead load. We coordinate the engineer, include the letter in your permit packet, and factor the cost into your written estimate.
We protect hidden gutters by flagging them before tear-off begins and assigning specific crew members to work around them, never over them. Before any new gutter or flashing is installed, we inspect the original fascia for dry rot from decades of fog drip, because rotted fascia fails within two years of new copper going up. If we find rot, we show you photos and a written price for repair before we proceed.
Class A fire-rated materials pass, which includes most modern asphalt shingle systems from GAF and Atlas, lightweight composite tile from Boral, and properly installed clay or concrete tile with Class A underlayment. The key is the underlayment spec, not just the top surface. We include the full Class A assembly spec in every Bel Air HOA submittal so there’s no back-and-forth with the committee.
Usually, yes. We start with drone photography of the existing roof, then match against current production profiles from Boral and other manufacturers. Many 1940s Bel Air tiles have production equivalents that are close enough to pass architectural committee review, especially when paired with color-matched photos in the submittal packet. If custom matching is required, we’ll tell you before you spend money on it. Call (341) 217-2677 for an exact assessment of your roof.
Contact Mercer Roofing Co Woodland Hills
If you’re planning a roof installation in Bel Air, start with a conversation. We’ll answer your questions about materials, permitting, HOA review, and pricing. We’ll send you a written estimate before any work begins, and you’ll know exactly who’s coming to your door. Call (341) 217-2677 today to schedule your free estimate. A live person answers, 24/7.
Written by Grant Whitlock, Owner at Mercer Roofing Co Woodland Hills, serving Bel Air and the surrounding Los Angeles area.