San Francisco · Bay Area · 20-mile radius

Chimney sweep and repair in San Francisco

One local crew across four Bay Area counties — sweep, inspection, repair and cap work, wherever the address falls inside our twenty-mile radius.

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
On this roof

A new stainless cap with spark-arrestor mesh, fitted above the Sunset District, ready for the next fog season.

  • 5.0 from 17 Google reviews, counted 2026-08-26
  • 5 chimney services, start to finish
  • 10 Bay Area cities covered
  • 20 miles from central San Francisco, door to door
Several new stainless steel chimney caps with spark-arrestor mesh screens laid out on a work surface before installation in San Francisco

Spark arrestors, by code

What California’s fire code requires

The numbers a spark-arrestor cap is actually held to here, not a rule of thumb.

Net free area
At least 4× the flue’s net free area
Mesh opening size
3/8 in. to 1/2 in.
Corrosion resistance
19-gauge galvanized or 24-gauge stainless
Accessibility
Removable for flue cleaning, per code
Applies to
Every masonry chimney with a fitted arrestor

New stainless caps and arrestor screens, measured before fitting.

California Building Code Chapter 7A and local Wildland-Urban Interface fire-code adoptions, spark-arrestor provisions.

The fog-belt reality

What San Francisco’s fog does between visits

San Francisco’s western neighborhoods can carry measurable fog on well over half the days of a typical summer, and a chimney crown under that fog stays wet far longer than the city’s modest rainfall totals would ever suggest — sometimes with zero measurable rain in a given week at all. A crown crack that would sit relatively stable in a drier climate gets far more wet-hours per year to work with here.

The Bay Area Air Quality Management District can also call a mandatory ‘Spare the Air’ no-burn alert on any wood-burning fireplace across all nine Bay Area counties during a stagnant winter inversion — that restricts lighting a fire, not having the chimney serviced. A no-burn stretch is often a genuinely convenient time to get a sweep or repair scheduled, since the fireplace is already off-limits for its usual use either way.

A crown that sits under fog for months cracks faster than one that gets a real chance to dry.

We check the crown, the flashing and the mortar on every visit, not just the part that made the appointment.

National Weather Service Bay Area fog climatology; Bay Area Air Quality Management District Spare the Air program.

New chimney caps on a fog-shrouded San Francisco rooftop with the bay and the East Bay hills visible in the distance
Fog settling over rooftop caps — the buildup that keeps a crown wet longest.

Reviews

What the last 17 customers actually said

5.0

17 Google reviewscounted 2026-08-26

  • 517
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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

Where we work

San Francisco and the wider Bay Area

A twenty-mile radius from central San Francisco, covering ten cities across four counties — one crew, one appointment book.

That radius reaches Daly City, South San Francisco and San Mateo on the Peninsula, across the Bay to Oakland, Berkeley and Alameda, and further out to Hayward, Richmond and El Cerrito. If an address falls just outside a listed city, call and we will confirm whether it is covered.

Nationwide Chimney Sweep & Repair San Francisco

5.017 reviewsChimney sweep

Profile and reviews as they stand on Google, not a cached copy.

View the profile on Google

How a visit goes

From the first call to the write-up

  1. 1

    Call or send the form

    Tell us what you have noticed and which service sounds right — we will confirm which one actually fits.

  2. 2

    We schedule a time

    Call any day of the week and we will confirm a time that actually works for your property.

  3. 3

    Floor protection first

    Drop cloths go down before any brush, vacuum or tool comes near the firebox.

  4. 4

    The work itself

    Sweep, inspection, repair or cap work, scoped and explained as we go, not after the fact.

  5. 5

    Written report

    You get a written note of what was done and anything found, whether or not it needs action now.

Questions

What people ask before calling

Do you publish a street address?

No — we are a service-area business with no public storefront, the same as our Google listing shows. Every job happens at the customer’s property, inside our twenty-mile radius from central San Francisco.

What are your hours?

We haven’t published a fixed schedule for this location yet — call {{business.phoneDisplay}} and we’ll tell you exactly when we can get to you.

Are your Google reviews real?

Yes — all 17 are visible on our Google Business Profile, unedited, with our replies where we left one. We link straight to the profile rather than a curated excerpt.

Do you work on gas fireplaces, not just wood?

Yes, though the venting and burner components on a gas system need a different check than a wood-burning flue — tell us which you have when you book.

What is included in a free estimate?

A look at what you have described, a straightforward scope if the job is simple, or a scheduled inspection first if it needs one — either way, no obligation to book anything on the spot.

Do you serve my city if it is not on the list?

If your address falls inside roughly twenty miles of central San Francisco, very likely yes — call and we will confirm before you book anything.

Tell us what changed

Tell us what the fireplace is doing that it did not do before, and we will tell you plainly what it needs.

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

Serving San Francisco, Daly City, South San Francisco, San Mateo, Oakland, Berkeley, Alameda, Hayward, Richmond and El Cerrito.

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.