Fast, Reliable Chimney Repair Across San Francisco
Chimney repair in San Francisco typically runs $650-$4,800 depending on scope, with most tuckpointing and flashing jobs completed in a single visit. We answer every call with a live person, 24 hours a day, and our background-checked crews carry the specialized mortars and liners needed for the city’s century-old masonry.
San Francisco’s Victorian and Edwardian row houses present repair challenges you won’t find in suburban markets. Tight alley access, shared multi-flue stacks in converted condos, and chimneys stressed by two major earthquakes demand crews who know the local building stock. We’ve worked on masonry from the Haight to Visitacion Valley for over 42 years. Our technicians price for Pacific fog exposure before they climb, and they document every inspection with photos you’ll see and a plain-English verdict you’ll understand. Call (855) 408-5567 for a free estimate. We’ll be there when we say.
Why Hearthstone Chimney Co. of San Francisco Is San Francisco’s Preferred Chimney Repair Company
We’ve served San Francisco since 1984. That’s four decades of watching the same mortar patterns fail on the fog-soaked west side while identical chimneys on the drier east side hold steady. That kind of local knowledge doesn’t come from a manual.
Our Chimney Repair in San Francisco crews complete most jobs in a single visit because they arrive with professional-grade materials from Gelco, Olympia Chimney, and Famco already on the truck. No ordering, no return trips, no surprises on the bill.
Every repair carries our 90-Day Done Right Promise in writing. If it’s not right, we come back. No paperwork to dig up, no arguing. Warren Eckhart built this company on the K.E.Y.S. code: Krafted right, Every time, Your home first, Standing behind it. That hasn’t changed in 42 years.
A live person answers the phone every hour of every day. Not a callback queue. Not an app. When your chimney is backing smoke into a neighbor’s unit or you’ve found brick fragments in your fireplace, you talk to someone who can dispatch help.
Our Chimney Repair Services in San Francisco
Chimney Rebuilding
Full rebuilds in San Francisco usually start around $3,200 and climb toward $8,500 for tall, shared stacks on three-story Victorians. The 1906 and 1989 Loma Prieta earthquakes left hairline fractures in flue tiles and shifted masonry that a standard inspection can miss. We remove the damaged courses, rebuild to current seismic standards using moisture-resistant mortar formulated for marine-layer exposure, and install a stainless steel liner from DuraFlex or Olympia Chimney to protect the new work. In converted multi-unit buildings, we coordinate with HOA boards and document the shared-flue separation for fire code compliance.
Tuckpointing & Mortar Repointing
Tuckpointing in San Francisco runs $850-$2,400 for a typical row-house chimney, with western neighborhoods like the Outer Sunset and Outer Richmond pricing toward the higher end. Pacific fog penetrates standard Type N mortar and accelerates freeze-thaw deterioration that the drier Castro or Duboce Triangle simply doesn’t see. Our crews grind out failed joints to proper depth and repoint with a specialized mortar blend that resists the salt-laden moisture rolling in off the ocean. We match the original joint profile so the repair disappears into the facade. Done right, and we stand behind it.
Flashing Repair
Flashing repair on San Francisco’s flat-roof row houses and pitched Victorians starts at $450 and ranges to $1,800 where roof-deck penetration is complex or where previous repairs used incompatible metals. The combination of infrequent fireplace use and marine-layer damp means homeowners often discover flashing failure only when water stains appear on interior plaster. We fabricate custom step-flashing and counter-flashing from copper or coated steel, seal with professional-grade compounds, and photograph the completed work for your records. Most flashing repairs finish in four hours.
Spalling Brick Repair & Chimney Waterproofing
Spalling brick repair in San Francisco costs $1,200-$3,600 depending on how many courses need replacement and whether the damage extends to the crown. Waterproofing with a vapor-permeable sealant adds $400-$900. The city’s idle chimneys absorb moisture for months, then the face of the brick pops off when temperatures drop below 40 degrees in winter. We replace spalled units with reclaimed or matched brick where possible, then apply a breathable treatment that blocks liquid water without trapping vapor inside. In the Outer Sunset, we were called to an 1895 row house where persistent fog and damp had caused brick spalling and mortar failure on a shared multi-flue stack. Our crew tuckpointed the joints with a specialized moisture-resistant mortar and installed a DuraFlex stainless steel liner to prevent future moisture intrusion and backdraft risk.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in San Francisco
We stock professional-grade materials from Gelco, Olympia Chimney, and Famco on every San Francisco truck. No builder-grade substitutes, no special-order delays. When your chimney needs a liner, cap, or flashing component, the part is already in the city. That means your repair moves on our schedule, not a supplier’s. We’ve specified these brands for decades because they hold up to San Francisco’s specific conditions: salt air, seismic movement, and long periods of dormancy followed by sudden use.
Common Chimney Repair Problems We See in San Francisco Homes
- Seismically shifted flue tiles go undetected. Cracked flue tiles from the 1906 and 1989 earthquakes hide behind fog-dampened mortar that masks the damage. Hidden gaps allow carbon monoxide or embers into wall cavities between attached units. Our Level-2 camera inspections catch what visual checks cannot.
- Microclimate-driven mortar failure. Mortar joints fail rapidly on the fog-soaked western side of the city due to freeze-thaw cycling, while same-age chimneys on the drier east side remain sound. We price this pattern into our quotes before climbing.
- Nesting debris in shared flues. Idle chimneys in converted multi-unit buildings collect raccoon and bird nesting material during long dormancy. When a fire is finally lit, blockages force smoke into neighboring units through shared walls or abandoned thimbles.
- Cold, saturated flue backdraft. San Francisco’s moisture-saturated flue creates backdraft risk and higher creosote deposition per fire than in cold-climate cities where flues stay regularly warmed. A proper liner and cap installation prevents the problem.
Pricing for Chimney Repair in San Francisco, CA
Here’s what chimney repair costs in San Francisco’s market:
| Service | Typical Range |
| Flashing repair | $450 - $1,800 |
| Tuckpointing / mortar repointing | $850 - $2,400 |
| Spalling brick repair (partial) | $1,200 - $3,600 |
| Chimney waterproofing | $400 - $900 |
| Chimney rebuilding (partial to full) | $3,200 - $8,500 |
| Stainless steel liner installation | $2,800 - $5,200 |
Three factors move San Francisco prices: fog exposure on the west side accelerates deterioration and often requires more extensive joint work; shared multi-flue stacks in converted condos demand fire-separation compliance that single-family jobs don’t; and alley or roof-deck access constraints add labor time in dense neighborhoods. We provide no-hassle upfront pricing before any work begins. The number on the estimate is the number on the invoice. Call (855) 408-5567 for your free estimate.
We Also Serve Cities Near San Francisco
Our Chimney Repair crews work throughout San Francisco proper and the immediate surrounding communities. We regularly repair chimneys in the Mission District, Noe Valley, Chinatown, and Visitacion Valley. Same live-answer phone, same 90-Day Done Right Promise, same documented inspection with photos you can see.
Serving San Francisco, CA - Our Local Coverage Area
We’re based in the San Francisco 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 - Chimney Repair in San Francisco
Yes, most structural chimney repairs in San Francisco require a permit from the Department of Building Inspection, particularly rebuilds, liner replacements, or any work affecting a shared flue in a multi-unit building. We handle permit submission and inspection scheduling as part of our standard workflow. Call (855) 408-5567 and we’ll confirm exactly what your specific job requires.
The Outer Sunset sits in Pacific fog for roughly a hundred additional days per year, and the salt-laden moisture penetrates brick faces that then spall during winter freeze-thaw cycles. Duboce Triangle, sheltered by Twin Peaks and the city grid, stays drier. Same-era masonry, radically different exposure. We specify different mortar blends and waterproofing treatments for fog-zone versus sheltered-zone chimneys. Call for an inspection and we’ll show you exactly what your chimney faces.
Yes, we repair shared multi-flue stacks in San Francisco’s converted Victorians and Edwardians, and we document fire-separation compliance for your HOA’s records. These chimneys were designed for single-family use and now serve two to four units, which means nesting debris, improper thimble connections, and deteriorated liners affect multiple households. Our crew inspects all connected flues with a camera, provides photos for each unit owner, and completes most separations or liner installations in a single visit.
The Loma Prieta quake, like the 1906 event before it, left latent fractures in flue tiles and shifted masonry courses that continue to worsen with thermal cycling and moisture intrusion. We find earthquake-related damage during roughly one in three Level-2 inspections in pre-1915 neighborhoods. Our protocol includes seismic-shift assessment as standard, not optional, because a cracked flue in an attached row house risks neighboring units. The repair addresses both the visible damage and the underlying structural stress.
Yes, flat-roof row houses in neighborhoods like the Mission District and Chinatown require specialized step-flashing and parapet-wall detailing that pitched-roof crews often mishandle. We fabricate custom copper or coated-steel flashing on site, seal with compounds rated for ponding water conditions, and guarantee the work under our 90-Day Done Right Promise. Most flat-roof flashing repairs in San Francisco run $650-$2,200 depending on linear footage and roof-deck condition. Call (855) 408-5567 for a free estimate.
Written by Warren Eckhart, Owner at Hearthstone Chimney Co., serving San Francisco since 1984.