Architectural shingles
Metal roofing
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 Hermosa Beach
Roof replacement in Hermosa Beach runs $14,000 – $28,000 for a typical 1,500 – 2,200 sq ft home, with architectural asphalt shingles landing between $6.50 and $9.00 per square foot installed. What makes this city different is the salt air, not just the shingles. A roof three blocks from The Strand ages like one three miles inland never will. If you’ve spotted granules in your gutters, curling shingles near the eaves, or staining on north-facing slopes, call Weathervane Roof Repair at (877) 755-4274. We’ll inspect first, tell you straight whether repair buys you real time, and only recommend replacement when the roof actually needs it.
Why Weathervane Roof Repair Is Hermosa Beach’s Preferred Roof Replacement Company
We’re a roofing-only company, which matters more in Hermosa Beach than most places. Gil Tanner built Weathervane around three services: inspection, repair, and replacement. No plumbing calls, no window installs, no “while we’re here” upsells. Homeowners here tend to be skeptical of roofing sales pitches, and honestly, they should be. Our job is to give you a straight answer: repair or replace, and why.
We work on the tight sand-side lots along The Strand, the numbered streets up from the pier, and the hillside homes above Hermosa Avenue, where a roof is often visible from the neighbor’s deck eight feet away. That visibility means two things. First, the roof has to look right, because it’s part of the streetscape. Second, accessibility gets tricky, and we plan for that before we start, not mid-tear-off.
Our crew knows what coastal corrosion looks like. We’ve opened roofs in 90254 that looked fine from the ground and found rusted-through fasteners along every valley. That’s not a sales line, it’s just what the marine layer does. We’ve learned to plan for it, price for it honestly, and explain it in plain English before any work starts.
Styles & brands we work with






Asphalt Shingle Roof Replacement in Hermosa Beach
Asphalt Shingle Roof Replacement in Hermosa Beach is the most common job we do, but it’s not a one-size-fits-all project. The salt air and morning marine layer push homeowners toward architectural shingles more often than three-tab, and the wind exposure near the beach means nailing patterns and starter strips matter more than they do inland. We strip the old roof down to decking, inspect what’s underneath, replace any rotted or compromised decking, and install new underlayment, flashing, and shingles with fasteners rated for coastal exposure.
A typical asphalt shingle replacement here runs $11,000 – $19,000 depending on roof size, pitch, and the condition of the decking below. Homes with two layers of old shingles or visible decking rot will land higher, because those layers have to come off and the wood beneath has to be sound before anything new goes on.
Architectural Shingle Upgrades
Most Hermosa Beach homeowners choose architectural shingles over three-tab. They hold up better to wind, look sharper on the modern beach houses replacing older bungalows, and give you a 30-year to lifetime warranty depending on the manufacturer. We install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so we’re not tied to one brand’s sales pitch.
Decking Repair During Replacement
On older homes built between the 1920s and 1950s, decking damage is common and usually invisible until tear-off. We write decking replacement into the contract as a per-sheet allowance, so if we find rot near valleys or eaves, you already know the cost and we fix it before installing anything new. No surprises, no sudden change orders.
New Roof Installation in Hermosa Beach
New Roof Installation in Hermosa Beach typically applies to two situations: a full teardown-and-rebuild project, or a second-story addition on an existing beach bungalow. Both are common here, because Hermosa Beach has a constant cycle of older homes being either lifted, gutted, or expanded upward. New construction roofing starts from bare framing, which means the underlayment, flashing, and ventilation all go in correctly from day one, not retrofitted onto an old system.
New roof installation runs $16,000 – $28,000 on a typical Hermosa Beach home, with architectural shingles as the standard. Flat and low-slope sections, common on the modern beach boxes going up along The Strand and the hillside above the pier, add cost because they need membrane systems that differ from shingle work.
New Construction and Additions
When you’re adding a second story, the roof tie-in is where things go wrong if your roofer doesn’t know coastal flashing. The intersection between old wall and new roof, the stucco termination, and the deck ledger all have to be flashed so salt air can’t wick moisture behind them. We tie into existing systems carefully, because a leak at the transition point is the most common failure we see after additions.
Flat and Low-Slope Systems
Low-slope roofs are everywhere in Hermosa Beach, especially on older bungalows and modern beach boxes on tight lots. These need membrane systems, not shingles, and they need a slope-to-drain plan that doesn’t leave water ponding after the marine layer burns off. We install membrane systems designed for UV and salt exposure, and we explain exactly what you’re getting before we start.
Trusted Brands We Service in Hermosa Beach
We install and repair shingles from seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Hermosa Beach because not every shingle handles salt air the same way. We match the product to your roof’s pitch, exposure, and budget, rather than pushing whatever brand we’re incentivized to sell that quarter. We stock the accessories, fasteners, and flashing materials these brands require for coastal installation, which means fewer delays waiting on parts and a faster turnaround for Hermosa Beach homeowners. Seven leading brands, one honest recommendation.
Common Roof Replacement Problems We See in Hermosa Beach Homes
- Salt-eaten flashing and fasteners: On The Strand and the first few blocks inland, we routinely find rusted-through fasteners, corroded valley metal and salt-eaten flashing on roofs that look fine from the deck. This corrosion failure is something inland South Bay crews rarely see, and it’s why coastal-rated fasteners and stainless or aluminum flashing matter here more than almost anywhere in the South Bay.
- Ponding on low-slope and flat roofs: Tight sand-side lots mean a lot of low-slope and flat sections, especially on older bungalows and modern beach boxes. Ponding stresses seams and underlayment year-round, and by the time you see a ceiling stain, the membrane has usually been failing quietly for a season or two.
- Moss and algae on north-facing slopes: The marine layer keeps shaded roof planes damp for hours after the sun clears the beach. Moss and algae trap that moisture against the shingles and hide decking rot until tear-off. We see this most often on homes built into the hillside above Hermosa Avenue, where one slope rarely dries out fully.
- Decking rot in valleys: On 1920s – 1950s beach cottages, the original decking wasn’t always plywood, and the valleys were often just overlapped planks. Once the old shingles come off, we regularly find rot at valley intersections where decades of moisture collected. Replacement decking there is standard, not optional.
See the difference
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AfterPricing for Roof Replacement in Hermosa Beach, CA
A full roof replacement in Hermosa Beach typically costs $14,000 – $28,000. Asphalt shingle reroofs run $11,000 – $19,000 on most homes, while new construction or a full replacement with significant decking work lands $16,000 – $28,000. The main cost drivers here are roof size and pitch, how many layers need tearing off, decking condition once we’re down to the frame, and whether you have flat or low-slope sections that need membrane work instead of shingles. Homes closer to the Strand also see more flashing and fastener replacement because the salt air has already done its work. Call (877) 755-4274 for a free estimate. We’ll inspect first, write a line-item quote, and explain exactly what’s driving the number.
We Also Serve Cities Near Hermosa Beach
Weathervane serves the South Bay from Redondo Beach and Marina del Rey down through Palos Verdes Estates and over to Lawndale. If you’re in any of those cities, our Hermosa Beach service area coverage applies. Every project starts the same way: an inspection, a straight answer, and a written quote for the Roof Replacement scope that’s actually warranted.
Serving Hermosa Beach, CA — Our Local Coverage Area
We’re based in the Hermosa Beach 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 Hermosa Beach
The marine layer keeps roofs damp until mid-morning most days of the year, which accelerates fastener corrosion, flashing failure, and moss growth on shaded slopes. We use coastal-rated fasteners and flashing rated for salt exposure, and we time tear-off around the morning condensation so the decking and underlayment go down dry. Call (877) 755-4274 to schedule your free inspection.
You should expect a membrane system, not shingles, and you should expect us to address drainage before we install anything. Ponding water is the enemy on flat roofs, and many Hermosa Beach bungalows and beach boxes have original drains that no longer slope properly. We’ll assess the slope, explain what’s needed to prevent standing water, and quote the membrane work separately from any decking or structural fixes.
Yes, roof replacement in Hermosa Beach requires a permit from the city’s Building Division, and we pull it for you as part of the job. Coastal enforcement zones and historic district designations can add a layer of review, especially on The Strand and older hillside homes, but we handle that paperwork and coordinate inspections. You’ll get the permit number before work starts, and we don’t begin until it’s approved.
We write decking replacement into the contract as a per-sheet allowance, so when we find rot after tear-off, you already know the unit cost and we fix it immediately. On a 1940s beach bungalow on The Strand, our crew stripped the old roof and found the decking was rotted in the valleys and the original fasteners had rusted through, so we replaced the decking, installed ice and water shield in the valleys and new corrosion-resistant flashing, then finished with GAF architectural shingles. That fix will hold up to the salt air. Anything beyond the written allowance gets priced and approved in writing before we touch it.
Architectural shingles with a high wind rating and a stain-resistant granule treatment hold up best here, and we lean toward brands like GAF, CertainTeed, IKO, and Atlas for coastal installs. The shingle matters less than the fasteners and flashing underneath it, though, and that’s where we spec corrosion-resistant materials as standard practice. For an exact recommendation on your roof, call (877) 755-4274 to schedule a free estimate.
Schedule Your Free Roof Replacement Estimate in Hermosa Beach
If your roof is showing its age, or if you’ve noticed a leak after the last winter storm, don’t guess. Call Weathervane Roof Repair at (877) 755-4274 and we’ll inspect your roof, explain what we find in plain English, and give you a written quote for exactly what’s needed, nothing more. We serve all of 90254, from The Strand to the hillside, and the inspection comes first, every time. Repair or replace? We’ll give you the straight answer.
Written by Gil Tanner, Owner at Weathervane Roof Repair, serving Hermosa Beach and the surrounding South Bay.