Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Owens Corning Construction in South San Francisco, CA | Workshop Contractors
Workshop Contractors provides independent Owens Corning roofing installation and repair across South San Francisco, from the older stucco cottages west of Highway 101 to the newer commercial shells on the east side. We also serve nearby communities with Owens Corning in San Bruno. What sets our Owens Corning work apart here is that we plan every job around the city’s fog-belt moisture, tight Old Town lots, and the freeway split that changes how crews and materials move. If you need Owens Corning shingles, underlayment, or a full roof replacement in South San Francisco, call Noel Figueroa and our team at (844) 384-3361 for a free estimate.
Why South San Francisco Residents Choose Us for Owens Corning Service
We have spent years working on South San Francisco roofs, and we know this city’s housing stock well: 1920s to 1960s stucco-over-woodframe cottages on tight lots in Old Town, Avalon, and the blocks west of 101, many of them with converted garages and rear additions that were never tied into the original roofline correctly. That matters because Owens Corning shingles are only as good as the deck, felt, and flashing underneath them. Noel Figueroa, our owner and general contractor, learned framing and finish work the old way, on job sites where a second look at the grout joint or the corner trim told you everything about the crew. He brings that same standard to every Owens Corning roof we install or repair in South San Francisco, and to our Owens Corning repair in Daly City. We are an independent contractor, not an Owens Corning authorized dealer, and that independence means we tell you plainly when a repair is the right call and when the deck below is finished. Call (844) 384-3361 to talk through what your roof actually needs.
Styles & brands we work with







Common Owens Corning Construction Problems We Solve in South San Francisco
- Granule-starved shingles on fog-belt roofs. Persistent marine-layer moisture wicks into the original skip-sheathing and felt on 1920s to 1960s stucco cottages west of Highway 101. Shingles that look sound from the street are often brittle and losing granules from underneath, which shortens the life of the Owens Corning field shingles even when the visible surface looks fine.
- Fog-belt algae streaking and dark banding on north slopes. South San Francisco sits in the fog belt just south of San Francisco, so north-facing roof planes stay damp long after south slopes dry out. That algae streaking is sometimes only cosmetic and sometimes a sign that trapped moisture is breaking down the shingle mat. We do a deck inspection before we recommend anything, never a power-wash upsell.
- Flashing and valley failures at converted garages and rear additions. Wind-driven winter rain finds the seam where a converted garage or rear addition was tied into the original roofline. The Owens Corning field shingles usually fail long after that seam does, and the leak shows up as a brown ring on a bedroom ceiling after the first real winter rain.
- Nail-pop and fastener back-out on shallow-pitch bungalows. Small cottages in Old Town and Avalon often have shallow roof pitches and undersized attic venting, especially after an addition was built without up-sizing the original eave and ridge vents. That trapped heat and moisture causes fasteners to back out and nails to pop through the Owens Corning shingle surface.
- Moisture-damaged decking under old shingles. The cool, damp South San Francisco climate means roof decks stay wet longer than they would in a hotter inland city. By the time we tear off two courses of old shingles, we often find soft sheathing and failed felt that were never visible from the exterior.
Owens Corning Service in South San Francisco: What Local Conditions Mean for Your Equipment
The single biggest thing about doing Owens Corning work in South San Francisco is that the city is bisected by Highway 101 and the Caltrain line, and the residential lots in Old Town and Avalon are often too narrow for a dumpster or shingle delivery to sit on the property. That is not true in most neighboring cities, and it changes how we schedule every re-roof. A crew based on the wrong side of the freeway loses real hours to the airport-adjacent corridors near SFO before the first bundle goes up. So we plan re-roofs on these blocks around street-occupancy permits and staged material, not a driveway drop. On a 1940s stucco-over-woodframe cottage in Old Town, we were called out for a leak that showed up as a brown ring on a bedroom ceiling after the first real winter rain. Tear-off of two courses of weathered three-tab exposed failing felt and a soft patch of skip-sheathing at the valley where a converted garage met the original roof plane. We replaced the sheathing, re-flashed the seam, and finished the slope with Owens Corning Duration shingles and WeatherLock at the valley and eaves. The dumpster had to be permitted to sit in the street, so we staged the tear-off in one day and dried the deck in before the fog rolled back in that evening. That is what Owens Corning service looks like in South San Francisco: scheduling the fog, the freeway, and the street permit all at once.
Owens Corning Models & Products We Service in South San Francisco
We install and repair the full Owens Corning roofing system, not just the shingles. That includes Oakridge architectural shingles, the Duration Series (Duration Premium and Duration Designer), and Supreme and WeatherGuard 3-tab shingles for the older cottages where a traditional profile matches the original roof. We also work with Owens Corning underlayment and accessories: RhinoRoof U20 synthetic underlayment, WeatherLock ice-and-water shield at eaves and valleys, and Raft-R-Mate with matched attic venting. We keep everything in the manufacturer system because mixing brands voids the wind and algae coverage owners paid for. Where the deck is still sound we repair or re-flash rather than re-roof. Where we find rotten sheathing or end-of-life felt under old shingles, we say so before the tear-off starts. We serve all of South San Francisco across ZIP codes 94080 and 94083, and our Owens Corning sales & service work covers both residential and light commercial roofs.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Service Pricing in South San Francisco
Here are the price ranges we quote across South San Francisco. The exact number depends on roof pitch, deck condition, the number of layers being torn off, and whether the lot requires a street-occupancy permit for staging.
| Service | Price Range |
|---|---|
| Roof Repair | $470 – $2125 |
| Roof Replacement & Installation | $9440 – $23600 |
| Tile Roof Repair | $710 – $2950 |
| Metal Roof Installation | $17700 – $47200 |
| Gutters & Accessories | $470 – $2125 |
Every estimate includes a deck inspection and a written line-item quote, so you know what the tear-off will expose before the first bundle comes off. Call (844) 384-3361 to schedule a free estimate in South San Francisco.
Serving South San Francisco, CA — Our Local Coverage Area
We’re based in the South San Francisco General Contractor 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 – Owens Corning Construction in South San Francisco
In South San Francisco, most winter leaks on Owens Corning roofs come from flashing and valley failures where a converted garage or rear addition was tied into the original roofline, not from the shingles themselves. The seam fails long before the field shingles do, and the leak shows up inside after the first real winter rain. Call (844) 384-3361 and we will trace the leak to the seam, not guess at the shingles.
Yes. We plan Old Town and Avalon re-roofs around street-occupancy permits and staged material delivery, because the lots are often too narrow for a dumpster or shingle delivery to sit on the property. The permit process is part of our scope, and we build the schedule around it before the first bundle goes up. Call (844) 384-3361 for a free estimate that includes the staging plan.
No. South San Francisco’s cool, damp marine layer means roof decks stay wet longer than they would inland, and wind-driven winter rain finds eaves and valleys before it finds the field of shingles. We install WeatherLock ice-and-water shield at eaves and valleys on every Owens Corning roof we replace or repair, because skipping it is the most common way a fog-belt roof fails early. Call (844) 384-3361 to talk through what your roof deck actually needs.
Most original 1950s roofs west of Highway 101 in South San Francisco are at the end of their service life, but the answer depends on the deck, the felt, and the flashing, not just the shingles. We tear off to inspect, and if the sheathing and felt are still sound we repair or re-flash rather than re-roof. If the deck is finished, we say so before the tear-off starts. Call (844) 384-3361 for an honest assessment and a written line-item quote.
Yes. We handle storm damage and emergency leaks on Owens Corning roofs across South San Francisco, including the older cottage blocks in Old Town and Avalon where winter rain and wind drive water into seams and valleys. We also provide Broadmoor Owens Corning service for homes in that area. Call (844) 384-3361 and we will get someone to your roof as quickly as the freeway and the weather allow. Estimates are free.
Service Areas Near South San Francisco
We provide Owens Corning roofing service throughout South San Francisco and the surrounding peninsula cities. Our South San Francisco service area covers the neighborhoods west of Highway 101, Old Town, Avalon, and the east side industrial and commercial districts, as well as nearby communities. For Owens Corning work just north of the city, see our Owens Corning service in Brisbane page. For coastal work south of the city, see our Owens Corning service in Pacifica page. We also serve surrounding areas including Woodcrest, Orange, and Buena Park for Owens Corning roofing installations and repairs.
Book Your Owens Corning Service in South San Francisco Today
If your Owens Corning roof needs repair or replacement in South San Francisco, call Noel Figueroa and the Workshop Contractors team at (844) 384-3361. We will schedule a free estimate, inspect the deck, and give you a written line-item quote. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
Written by Noel Figueroa, Owner & General Contractor at Workshop Contractors, serving South San Francisco since his first framing hammer found a roof over the fog.