Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across West Hollywood
Roof repair in West Hollywood runs $380 – $1,450 for most single-issue fixes on flat and low-slope buildings, and that work should be permitted through the City of West Hollywood’s own building department, not Los Angeles. That last part surprises a lot of homeowners, and it’s exactly why local knowledge matters here. We serve the full 1.9 square miles of West Hollywood with technicians who know the city’s independent permit process, its pre-1979 rental stock, and the particular ways its roofs fail after decades of deferred maintenance. If you’ve got a leak, lifted membrane, or a drain that ponds every winter, call (743) 200-8347 and we’ll get a technician to your building with a written price before any work begins.
Why Mercer Roofing Is West Hollywood’s Preferred Roof Repair Company
Most roofing companies treat West Hollywood like just another Los Angeles neighborhood. We don’t, because it isn’t. The city runs its own building and safety department with its own inspectors, its own municipal code amendments, and its own permitting portal. A contractor who habitually pulls LADBS permits for WeHo jobs is operating illegally on every single one. We know the difference, and we pull the correct West Hollywood permit on repairs that require one.
Our technicians are background-checked, identity-verified, and arrive in a clean, marked uniform with a photo ID badge at the door. Before anyone steps onto your property, you get their name and photo sent to you. That’s the Threshold Standard, and it’s the same standard every Mercer Roofing location is contractually held to, because opening your door to a stranger shouldn’t be part of the price of fixing your roof.
Founded in 2000 and part of the Threshold Group family, Mercer Roofing has built its reputation in West Hollywood by solving the problem most roofers ignore: homeowners who hesitate to call because they don’t know who’s actually coming. We answer the phone with a live person 24/7, we hand you a written price before work starts, and every repair comes with a 365-Day Done Right Promise in writing. If it’s not right within a year, we make it right. Simple as that.
Commercial Roof Repair in West Hollywood
Commercial Roof Repair in West Hollywood means working almost exclusively on pre-1979 apartment buildings with flat or low-slope roofing systems, most of them built-up gravel-and-tar or early modified bitumen that’s now 50 to 90 years old. The city’s Rent Stabilization Ordinance covers every building constructed before 1979, which means these properties stay in continuous service far longer than their original roofing systems were ever designed for. Owners defer maintenance because tenants won’t move and rents are capped, and by the time we’re called, the membrane has usually failed at the drain sump or the flashing has separated at a parapet wall. Typical commercial flat roof repairs in West Hollywood run $600 – $2,800 depending on how much decking and insulation has to be replaced once the membrane is opened.
Built-Up Roof Rehabilitation
Most of the BUR roofs we open in West Hollywood have saturated insulation and rusted drain pans hiding under a gravel cap that looks intact. We cut sections, expose the assembly, and price each layer as it’s revealed, with written approval from the owner before we move to the next square. No open-ended work, no surprises on the invoice.
Parapet and Drain Sump Repair
Interior drain sumps on these older buildings are the highest-failure points in the city. We re-pitch the surrounding slope so water actually reaches the drain, replace rusted pans and corroded clamping rings, and install new flashing that ties cleanly into the existing membrane.
Roof Leak Repair in West Hollywood
Roof Leak Repair in West Hollywood usually traces back to one of three culprits: a failed flashing at a drain sump or parapet wall, a seam separation on an older modified bitumen roof, or a Santa Ana wind event that lifted a poorly adhered membrane. The city gets roughly 14 to 15 inches of rain a year, almost all of it squeezed into November through March, so leaks that go unnoticed during dry months suddenly show themselves all at once in a single storm. A focused leak repair in West Hollywood typically costs $380 – $950 when the membrane is still sound and only the flashing or sealant has failed. When the decking beneath has been rotting for years, the number climbs to $1,200 – $2,400 because we’re replacing structure, not just patching a membrane.
Drain Sump and Scupper Leaks
Ponding at interior drains is the classic West Hollywood failure mode. Water sits, the gravel settles, the membrane dries and cracks at the sump ring, and every winter the same ceiling stain comes back. We fix the sump itself, including re-pitching the surrounding slope so drainage actually works.
Santa Ana Wind Damage
Fall Santa Ana events can lift a gravel-ballasted or mechanically fastened membrane if the fasteners have corroded or the ballast has shifted. The failure runs along seams, not penetrations, so owners often misread it as a simple leak. We inspect seam integrity and re-secure the membrane before it becomes a full tear-off.
Trusted Brands We Service in West Hollywood
We install and repair shingle and membrane systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we keep a stock of common repair components for the brands most often found on West Hollywood buildings. Most of the city’s flat roofs are Atlas or Tamko modified bitumen systems installed in the 1980s and 1990s, so we carry matching repair membrane, flashing, and adhesives locally. That means fewer days waiting on a distributor and faster turnaround when you’ve got an active leak on a rent-stabilized building and a tenant filing a habitability complaint. Call (743) 200-8347 and tell us what’s on your roof; we’ll confirm we stock the right material before we even schedule the visit.
Common Roof Repair Problems We See in West Hollywood Homes
- Interior drain sump failures on pre-1979 BUR roofs. These are the single most common repair call we get in West Hollywood. The sump rusts through, the gravel cap hides the damage, and the owner doesn’t know until the ceiling below starts staining every winter.
- Flashing separations at parapet walls. The dense 1920s – 1960s apartment stock in West Hollywood was built with parapet walls that catch full sun and thermal movement. Flashing pulls away over decades, and rain finds the gap.
- Santa Ana wind uplift on gravel-ballasted membranes. Tightly packed lots with minimal staging room mean these roofs are often surrounded by taller structures that funnel wind. The membrane lifts along seams, and the damage looks like a leak but is really a securing failure.
- Unpermitted prior repairs pulled through LADBS. We routinely find West Hollywood buildings where a previous roofer pulled an LA Department of Building and Safety permit instead of a West Hollywood permit. The repair was never legal, never inspected by WeHo, and the owner is left holding an unpermitted condition on a rent-stabilized property.
Pricing for Roof Repair in West Hollywood, CA
Roof repair pricing in West Hollywood is driven by what’s under the membrane, not what you can see from the ground. A simple flashing repair on a low-slope modified bitumen roof runs $380 – $650. A drain sump replacement with re-pitching runs $800 – $1,500. A leak that has saturated decking and requires structural replacement runs $1,200 – $2,800. Santa Ana wind damage repairs, depending on seam length and fastener replacement, run $600 – $1,900. Every job gets a written price before any work starts, and that price includes the permit when one is required. Call (743) 200-8347 for a free estimate, and we’ll give you a real number, not a range you have to guess at.
We Also Serve Cities Near West Hollywood
Our technicians serve the broader metro area, including Beverly Hills, Studio City, North Hollywood, and Sherman Oaks. If your building sits just outside the West Hollywood city line, the same written pricing, the same 365-Day Done Right Promise, and the same badge-at-the-door standard apply. See our Roof Repair page for the full scope of services, or learn more about how we serve Roof Repair in West Hollywood specifically.
Serving West Hollywood, CA - Our Local Coverage Area
We’re based in the West Hollywood 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 Repair in West Hollywood
West Hollywood issues its own permits through its own building and safety department, entirely separate from the City of Los Angeles. If a contractor pulls an LADBS permit for a West Hollywood address, that permit is invalid and the work is unpermitted. We pull the correct West Hollywood permit on every repair that requires one, and our work is inspected by WeHo’s own inspectors. Call (743) 200-8347 and we’ll tell you whether your specific repair triggers a permit before we write the estimate.
Because the drain sump or flashing at that spot has likely been failing for decades, and previous repairs may have only addressed the surface membrane, not the rusted pan or saturated insulation underneath. On pre-1979 BUR roofs, water ponds at low points, gravel settles, and the membrane cracks right at the sump ring. The fix is opening the roof in sections, replacing the deteriorated assembly, and re-pitching the slope so water actually drains. We recently did exactly this on a 1930s Spanish Colonial Revival four-plex on Norton Avenue where the roof had been ponding at an interior drain since the 1980s. The prior repairs had been permitted through LADBS instead of West Hollywood’s portal, so nothing had ever been properly inspected. We re-pitched the sump, replaced the rusted drain pan and flashing, and priced each assembly as it was exposed, with the owner’s written approval at every step.
It means the repair was never legally permitted in West Hollywood. The City of West Hollywood is an independent charter city completely encircled by Los Angeles, and it runs its own permitting portal, its own inspectors, and its own code amendments. An LA permit has no jurisdiction here. The roof repair may have been physically completed, but from the city’s perspective it’s unpermitted work, which can become a problem for a pre-1979 rent-stabilized building if there’s ever a complaint or a sale. We’ll pull the correct West Hollywood permit and get the work inspected properly.
We write the price for what we can see and test, and we write allowances for what we might find underneath. When we open the roof in sections, each new condition is priced in writing and approved by you before we move to the next square. No one gets a surprise invoice at the end. If we find saturated insulation or a rusted drain pan, you’ll see the cost of replacing it before we do the work. Call (743) 200-8347 and we’ll walk you through exactly how a written allowance works on your building.
Yes. Fall Santa Ana events in West Hollywood create sustained wind pressure on flat and low-slope roofs, especially on tightly packed lots where adjacent buildings funnel the airflow. Poorly adhered or gravel-ballasted membranes lift along seams, and the damage is often misdiagnosed as a leak because the failure runs along seams, not penetrations. We inspect the full seam network and re-secure the membrane with proper fastener patterns, which is a $600 – $1,900 repair depending on how much of the roof has lifted.
If you’ve got a roof that leaks, ponds, or lifted during the last Santa Ana event, call (743) 200-8347. We’ll send a technician whose name and photo you’ll have before they arrive, they’ll badge in at the door, and you’ll get a written price before a single nail is driven. Every repair includes the 365-Day Done Right Promise in writing.
Written by Grant Whitlock, Owner at Mercer Roofing, serving West Hollywood with permitted, written-price roofing repairs.






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