San Francisco Bay Area

Chimney sweep and repair across the San Francisco Bay Area

One crew, twenty miles from central San Francisco, covering all ten cities below across four counties.

No obligation. Call and we’ll confirm when we can come by.

New chimney caps on a fog-shrouded San Francisco rooftop with the bay and the East Bay hills visible in the distance

The short answer

Nationwide Chimney Sweep & Repair San Francisco works a twenty-mile radius centered on San Francisco, which crosses four counties before it crosses a single obvious boundary: San Francisco itself, the Peninsula cities of San Mateo County, and the inner East Bay split between Alameda and Contra Costa counties. One crew, one truck, and the same sweep, inspection, repair and cap work wherever the address falls inside that circle. What ties the whole footprint together is not a county line but a shared set of physical facts: persistent coastal fog and salt air on the western and shoreline sides, a chimney stock old enough in San Francisco, Berkeley and Alameda to include genuine pre-1940s unreinforced masonry, and two active fault traces — the San Andreas offshore and the Hayward Fault running directly through the East Bay hills — that make seismic condition a real, recurring question rather than a talking point.

Local specifics

What is true across the Bay Area

  1. 01

    The circle reaches four counties — San Francisco, San Mateo, Alameda and Contra Costa — because the Bay itself, not a straight twenty-mile line, is what actually separates neighborhoods here; a Peninsula or East Bay address can sit closer to central San Francisco by bridge than a neighborhood on the far side of San Francisco itself.

  2. 02

    The Hayward Fault runs the length of the East Bay hills through Berkeley, Oakland, Hayward and El Cerrito, and the U.S. Geological Survey rates it among the most dangerous urban faults in the country for the exact chimney-relevant reason: a magnitude-6.8-or-larger rupture is considered overdue on its own recurrence interval, and unreinforced masonry is the building type it damages first.

  3. 03

    The Bay Area Air Quality Management District can call a mandatory ‘Spare the Air’ no-burn alert on any wood-burning device across all nine Bay Area counties during a stagnant winter inversion, and the rule reaches every city in this service area the same day it is called, regardless of which side of the Bay the address is on.

  4. 04

    Coastal fog rolls in through the Golden Gate and settles hardest on San Francisco’s western neighborhoods and the immediate shoreline, while inland cities toward the East Bay hills — Berkeley, Oakland, Hayward — run measurably drier and hotter in the same week, which is why an identical chimney can age on two completely different timelines depending on which side of the circle it sits on.

Housing stock

What the housing stock means for the chimney work

Across the whole footprint, chimney work splits along two lines at once: era and exposure. San Francisco, Berkeley and Alameda carry the region’s oldest stock — Victorian, Edwardian and Craftsman-era masonry built before any modern seismic code existed — and that stock needs mortar, crown and structural-tie attention that a newer building never will. The Peninsula cities filled in mostly postwar, with factory-built systems that fail at the cap and the chase rather than the brick. The inner East Bay sits on or near the Hayward Fault itself, which adds a structural question — is this chimney tied to the house the way current code requires — on top of the ordinary maintenance question every chimney eventually asks.

Also served, no dedicated page: San Leandro · Castro Valley · Foster City · Millbrae · Burlingame · Orinda · Lafayette · Pinole

Approximate coverage — call to confirm a specific address.

Reviews

What the last 17 customers actually said

5.0

17 Google reviewscounted 2026-08-26

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  • Jennifer Garcia

    Heavy Stage 3 creosote had built up within an inadequately sized flue pipe, but a vigilant technician cleaned it away, preventing catastrophic fire dangers.
  • Miguel Reynolds

    Last winter we got a weird burning smell every time we used the fireplace. They cleaned a thick coating of soft creosote from the higher tiles and the stench is completely gone now.
  • Leonardo Madden

    Most sweepers only glance up with a flashlight. This team established a thorough monitor and pointed out minor gaps in the mortar parging, and brushed the smoke chamber till it appeared brand new.
  • Rhiannon Wimer

    Punctual, polite, and thoroughly professional. They treat your home with total respect and deliver world-class service every single time.

Read all 17 reviews on Google

Questions

What people ask about the Bay Area

Does Nationwide Chimney Sweep & Repair San Francisco cover all four counties?

Coverage runs a twenty-mile radius from central San Francisco, which reaches San Francisco itself, the Peninsula cities of San Mateo County, and the inner East Bay across Alameda and Contra Costa counties. Call with your address and we will confirm whether it is covered.

Do Spare the Air days affect chimney inspections or repairs?

No — a BAAQMD Spare the Air alert restricts burning a wood-burning fireplace or stove, not having it serviced. Sweeps, inspections, repairs and cap work go ahead on any day, whether or not an alert is in effect.

Is one company really enough for an area this spread out?

One crew working a defined twenty-mile radius means the same technician who repoints a Victorian stack in the Mission the same month fits a factory-built cap in a Daly City tract home — the tools and the appointment book cover both without a subcontractor in between.

How do I know which Bay Area city page applies to my address?

Use whichever city your property sits in — San Francisco, Daly City, South San Francisco, San Mateo, Oakland, Berkeley, Alameda, Hayward, Richmond or El Cerrito. If your address falls just outside a listed city, call and we will confirm whether it is inside the twenty-mile radius.

Does an older Bay Area chimney need different work than a newer one?

Generally, yes. Pre-1940s masonry in San Francisco, Berkeley and Alameda needs mortar, crown and structural-tie attention as it ages near active faults; homes built from the 1950s on typically carry factory-built metal chimneys that fail at the cap and chase instead of the masonry.

Book a visit anywhere in the Bay Area

Tell us your city and what you have noticed — we will confirm the right service.

Or call (628) 245-1261 — we’ll confirm when we can help.

Tell us what changed.

Tell us what the fireplace is doing and what changed. Someone reads every message that comes in.

No obligation. Call and we’ll confirm when we can come by.

Prefer to talk? Call (628) 245-1261 — we’ll confirm when we can help.