Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Styles & brands we work with
See the difference
Before
After
Before
After
Before
AfterHow Much Does Roof Replacement Cost in San Francisco?
A full roof replacement in San Francisco typically costs between $9,440 and $23,600 in 2026, with most single-family homes landing around $14,000 to $18,000 for architectural asphalt shingles. The final number depends on roof size, pitch, material choice, accessibility, and whether the old roof needs to be torn off down to the decking. Prices in San Francisco run higher than the national average because of labor rates, permit requirements, and the logistics of working on tight lots with limited staging space.
Elmstead Remodeling San Francisco gives every homeowner a written price before any work starts. That means the number you see is the number you pay. No surprises when the crew arrives, no add-ons after the tear-off reveals something unexpected. If the scope needs to change, we explain the price before the work, never after.
If you’re comparing roofers in San Francisco, start with our Roof Replacement in San Francisco guide. It covers the process in more detail, from tear-off to final inspection. And if you want to skip the research and get a straight answer, call (831) 480-4497 for a free estimate.
Roof Replacement Cost Breakdown (2026)
Here’s what a roof replacement costs in San Francisco, broken into the line items you’ll actually see on a proposal. These reflect 2026 market pricing for a typical 1,500 to 2,200 square foot single-family home with moderate roof pitch and standard access.
| Line Item | Typical Cost Range | What It Covers |
|---|---|---|
| Tear-off and disposal of existing roof | $2,400 – $4,700 | Removing old shingles, underlayment, and flashing; hauling debris; landfill fees |
| Decking repair or replacement | $700 – $2,300 | Replacing rotted or damaged plywood/OSB; San Francisco fog and damp mean some decking repair is common |
| Underlayment and ice-and-water shield | $900 – $2,100 | Synthetic underlayment over the whole roof, peel-and-stick membrane at eaves, valleys, and penetrations |
| Architectural asphalt shingles (materials only) | $2,800 – $5,900 | 30-year architectural shingles from GAF or similar; includes hip/ridge caps |
| Flashing, vents, and pipe boots | $800 – $2,200 | New metal flashing at chimneys, walls, and skylights; new plumbing vent boots; ridge and soffit vents |
| Labor and installation | $1,900 – $4,800 | Roofing crew labor, site protection, final cleanup and magnet sweep for nails |
That adds up to a working range of roughly $9,440 to $23,600, with the midpoint around $15,000. A simple roof with easy access and no decking surprises lands at the lower end. A steep roof in a neighborhood like Forest Hill or Miraloma Park, with multiple skylights, a chimney, and old decking, runs toward the top.
Three things move the price more than anything else: roof pitch, roof complexity, and decking condition. A 4/12 pitch roof is straightforward for a crew to walk. A 9/12 or 10/12 pitch in a hillside neighborhood like Diamond Heights means staging, harness work, and more labor hours per square. Complexity comes from the number of penetrations: chimneys, skylights, vents, dormers, and valleys where two roof planes meet. Every penetration needs flashing, and flashing takes time. Decking is the wildcard: homes in the Richmond and Sunset districts sit in fog for months at a time, and we often find soft decking along eaves and under old flashing. We include decking repair as a separate line-item price so you see the number before we replace a single board.
What Affects Roof Replacement Pricing in San Francisco
- Roof size and surface area. A 1,200 square foot bungalow in the Excelsior costs less than a 3,000 square foot Edwardian in Noe Valley. Roofers price by “squares” (a square is 100 square feet), and San Francisco homes run 15 to 35 squares depending on the era and style.
- Roof pitch and story height. Victorian and Edwardian rooflines in neighborhoods like Pacific Heights and the Mission are steep, sometimes 10/12 or steeper. Steeper roofs take more time, require more safety equipment, and cost more in labor. A two- or three-story home also means the crew is hauling materials higher, which adds time.
- Number of penetrations and roof features. Every chimney, skylight, dormer, vent pipe, and valley adds flashing and careful detailing. A simple gable roof in the Sunset with one vent has far fewer penetrations than a Queen Anne in Alamo Square with three chimneys, two skylights, and four dormers.
- Decking condition underneath. San Francisco’s marine layer keeps roofs damp for much of the year. When we tear off old shingles, we sometimes find rotted plywood or old board decking that needs replacement before new underlayment can go down. We price this per sheet, and we show you exactly what we found before we replace it. The written price promise means you never get a vague “decking repair” line item after the fact.
- Permit and inspection requirements. San Francisco requires a building permit for roof replacement, and the city’s inspection process adds cost and time to the project. A roofer who skips permits saves money up front, but the homeowner owns the liability later. We pull permits on every roof replacement in San Francisco and build the permit costs into the written estimate so you see that number from day one.
- Material choice. Standard architectural asphalt shingles (what most San Francisco homes use) are the most affordable option. Upgrading to premium shingles, standing-seam metal, or synthetic slate pushes the cost up. A metal roof replacement in San Francisco typically runs $17,700 to $47,200. Tile roofs, common on Spanish-style homes in the Marina and the Sunset, cost more to tear off and re-install but can last 50 years or more.
How to Save on Roof Replacement
The biggest money-saver in San Francisco is timing. Roofers are busiest from September through November, when the first rains remind homeowners their roof needs attention. Booking your replacement for late spring or summer often means better availability and more scheduling flexibility. It also means the tear-off happens in dry weather, which is faster and cleaner.
Second, get a roof inspection before you commit to a full replacement. Sometimes a roof in the Inner Richmond or Glen Park that looks like it needs full replacement only needs repair at critical points: a rusted valley, a failed pipe boot, or flashing that pulled away from a chimney. Roof repair in San Francisco typically costs $470 to $2,125, which is a lot less than a full replacement. A straight answer about whether you need repair or replacement saves real money.
Third, don’t skimp on the underlayment. It’s tempting to cut the ice-and-water shield to save a few hundred dollars, but San Francisco wind-driven rain finds every weak seam. The underlayment is what actually keeps water out of your house when shingles fail. We install a full synthetic underlayment and peel-and-stick membrane on every roof replacement because it’s the right way to do the job, not because it’s the cheap way.
Elmstead Remodeling San Francisco gives every homeowner a free estimate. Call (831) 480-4497 and we’ll walk the roof, check the decking, count the penetrations, and hand you a written price. The number you see is the number you pay. Every time.
Why Elmstead Remodeling San Francisco Prices Differ From Other Roofers
You’ll find lower bids in San Francisco. You’ll also find roofers who don’t pull permits, who reuse old flashing, who skip the ice-and-water shield where the city requires it, or who write an estimate with a “decking to be determined at time of install” line that turns a $12,000 quote into an $18,000 bill.
We don’t work that way. Every Elmstead Remodeling San Francisco roof replacement includes the Cedarwell Care Promise: shoe covers and drop cloths inside the house, a written price before any work starts, a photo of the clean-up before the crew leaves, quiet tools during family rest hours where possible, and pet-safe product choices where available. The 365-Day Done Right Promise covers every completed project. If it’s not done right, we make it right.
We name the materials before we install them. Roof shingles from GAF, flashing from the same suppliers we’ve used for years, underlayment with a manufacturer’s warranty you can verify independently. You should know what’s going on your roof before the crew shows up. If a roofer won’t name the products in the proposal, ask why.
Our crews are background-checked and uniformed. The people walking through your house and working over your family’s bedrooms are people we’d trust in our own homes. That matters when you have kids napping through a tear-off and a dog who wants to meet every stranger at the door.
Roof Replacement Timeline: What to Expect
Most single-family roof replacements in San Francisco take 3 to 7 working days from tear-off to final inspection. Here’s how it typically goes:
- Day 1: Crew arrives, sets up protection (drop cloths, plywood over windows, tarps where needed), begins tear-off. In a hilly neighborhood like Glen Park, the crew often sets up ground-level staging instead of using the street, which is a conversation we have with you ahead of time.
- Days 2 to 4: Decking replacement where needed, underlayment, and shingle installation. The loudest work (tear-off and nail guns) happens during daytime work hours. We keep quiet tools for the early and late hours when we can, especially in homes with young children.
- Day 4 to 6: Flashing details, ridge caps, vent installation, and the full magnet sweep for nails. We walk the property with you before we call the job done, and we take a photo of the clean-up before the crew leaves.
- Final inspection: The city inspector checks the work against the permit. We’re on site for the inspection and handle any corrections on the spot.
Weather is the variable. A rainy week in January can push a 4-day job to 6 days. We schedule around the marine layer in the Sunset and Richmond when possible, because tear-off and underlayment need dry conditions to go down right.
FAQs – Roof Replacement Cost
How much does roof replacement cost per square foot in San Francisco?
Roof replacement in San Francisco runs about $5.20 to $9.80 per square foot for architectural asphalt shingles, including tear-off, underlayment, flashing, and labor. A 1,800 square foot roof lands around $9,400 to $17,600. Steeper roofs and complex rooflines push the per-square-foot number higher. Call (831) 480-4497 for an exact quote on your home.
Is it cheaper to repair or replace a roof in San Francisco?
Roof repair costs $470 to $2,125 in San Francisco, while full replacement runs $9,440 to $23,600. If the damage is localized (one valley, one pipe boot, one piece of flashing), repair is cheaper and often the right call. If the roof has multiple failing areas, granule loss across the surface, or shingles lifting at the edges, replacement is the better long-term investment. We’ll tell you straight which one you need.
How long does a roof replacement take in San Francisco?
Most roof replacements in San Francisco take 3 to 7 working days. Single-story homes with simple gable roofs in the Sunset or Excelsior run 3 to 4 days. Steep Victorian rooflines in neighborhoods like the Haight or Potrero Hill run 5 to 7 days. The city’s permit process adds time before the crew starts; we handle that paperwork as part of the job.
Do I need a permit for a roof replacement in San Francisco?
Yes. San Francisco requires a building permit for roof replacement, and the city inspects the work when it’s done. A roofer who offers to skip the permit is saving you money at the cost of insurance coverage, resale liability, and code compliance. Every roof replacement Elmstead Remodeling San Francisco does includes permits, pulled properly, with inspection handled on your behalf.
What type of roof lasts longest in San Francisco’s climate?
Standing-seam metal roofs last 40 to 70 years and handle San Francisco’s fog and salt air better than asphalt. Tile roofs last 50-plus years but are heavy and cost more to install. Architectural asphalt shingles last 25 to 35 years and remain the most common choice for San Francisco homes because they balance cost, weight, and performance. Metal roof installation in San Francisco runs $17,700 to $47,200, which is higher up front but often the last roof a home in the Outer Richmond or the Marina ever needs.
Get a Written Price for Your San Francisco Roof Replacement
If you’re thinking about replacing your roof, the next step is simple. Call (831) 480-4497 and we’ll come out, walk the roof, check the decking, count the penetrations, and give you a written price before any work starts. No vague line items. No estimates that grow after the crew arrives. Just a clear number, named materials, and a plan for how we’ll protect your home while the work happens.
Graham Stein leads Elmstead Remodeling San Francisco, a Cedarwell company founded in 2005. We’re the remodeling contractor families with children and pets hire when they care as much about how the house is left as they do about the finished roof. Drop cloths on the floors, shoe covers at the door, quiet tools during nap hours, a photo of the clean-up before the crew leaves. That’s the standard on every job, not an upgrade you have to ask for.
Start with a call. Get a real number. Then decide with the facts in front of you.
Pricing reflects the San Francisco market as of 2026. Elmstead Remodeling San Francisco offers free estimates – call (831) 480-4497.
Written by Graham Stein, Owner at Elmstead Remodeling San Francisco, serving San Francisco since 2005.
What Our Customers Say
"Kitchen and living room refresh. Shoes off, floors covered, cleanup every evening. They checked with us before any change. Treated our home with real care."
- Dwight Harmon"Kitchen and living room refresh. What stood out was the respect for our home, shoes off, floors covered, cleanup every evening. They checked with us before any change. Beautiful result."
- Dontae Willis"Kitchen remodel. With two kids at home I was dreading the dust, but they walled off the space in plastic and cleaned every single day. Respectful, calm crew. The kitchen is stunning."
- Beverly Austin
