Marin County
Chimney sweep and repair across Marin County
One crew, twenty miles from central Sausalito, covering all nine cities below plus the smaller communities in between.
Nothing to commit to — just call and we’ll line up a time that works.
The short answer
The service radius centered on Sausalito reaches twenty miles out, and unlike some Bay Area coverage areas, nearly the whole circle sits inside one actual county — twenty-three of its twenty-four communities are in Marin. A single crew handles every sweep, inspection, repair and cap job across that whole footprint, whether the address is a hillside town near the Golden Gate or sits further inland toward San Rafael and Novato. It is not a straight line on a map holding this territory together but a common set of physical conditions: a daily marine layer hitting the bay-facing towns hardest, Mount Tamalpais shaping weather and terrain across the middle of the county, a real Wildland-Urban Interface zone along its foothills, and eleven separate incorporated cities, each with its own permitting office, rather than one unified urban grid.
Local specifics
What is true across Marin County
- 01
The San Andreas Fault trace runs through West Marin near Point Reyes and Bolinas, so seismic condition is a real, recurring factor for an older unreinforced-masonry stack countywide, not just a talking point reserved for a bigger city across the bay.
- 02
Marin’s bay-facing communities — Sausalito, Tiburon, Belvedere — sit inside a daily marine-layer pattern pushed in through the Golden Gate, while towns sheltered on Mount Tamalpais' inland side, like San Anselmo and Novato, run measurably drier the same week.
- 03
Mount Tamalpais defines central Marin’s terrain and weather at once: canyon winds funnel around it, fog catches on its western flank, and its foothill towns — Fairfax chief among them — sit inside a genuine Wildland-Urban Interface zone under California’s own fire code.
- 04
Marin is a patchwork of eleven small incorporated cities rather than one continuous metro area, so a chimney permit that clears San Rafael’s building department may still need a separate sign-off from a neighboring town’s own office a few miles down the road.
Housing stock
What the housing stock means for the chimney work
What a chimney job looks like here depends more on terrain than on decade. Waterfront hillside towns — Sausalito, Tiburon, Belvedere — are built up steep grades with older wood-frame and masonry construction that came before any modern seismic requirement. Mill Valley and Fairfax, sitting right up against Mount Tamalpais, layer a genuine Wildland-Urban Interface designation on top of that same aging stock. San Rafael, Novato and Corte Madera grew mostly after the war, with factory-built systems where trouble more often shows up at the cap and chase than in the masonry itself. Crockett, the single Contra Costa outlier inside the radius, sits far enough out that a call confirms it rather than a standing schedule.
Also served, no dedicated page: Tamalpais Valley · Strawberry · Kentfield · Marin City · Belvedere · Ross · Santa Venetia · Crockett
Coverage shown is approximate — call and we will confirm it for your exact address.
Services here
What we do across Marin County
Reviews
What the last 12 customers actually said
5.0
12 Google reviewscounted 2026-08-26
- 512
- 40
- 30
- 20
- 10
Jillian Hodapp
Heavy soot buildups around the chimney exit and the termination cap screen had to be swept away to stop persistent smoky backdrafts on windy nights.
Daniel Rodriguez
Extensive soot discoloration on the fireplace brick ceased after a thorough cleaning that removed a significant draft blockage inside the smoke chamber corbels.
Angela Parker
They had camera gear that allowed us to see the whole vertical flue way. It was good to see that our clay tiles had come throughout the severe winter without breaking.
david gabay
Great service from start to finish! They were professional, on time, and left everything clean. Highly recommend for any chimney work.
Cities in the footprint
Every city we serve
Sausalito
Downtown / Bridgeway · Old Town hillside · Waldo Point Harbor
San Rafael
Downtown / Fourth Street · Gerstle Park · Dominican
Novato
Downtown / Grant Avenue · Hamilton · Ignacio
Mill Valley
Downtown / Depot Plaza · Cascade Canyon · Tamalpais Park
San Anselmo
Downtown / San Anselmo Avenue · Red Hill · Seminary
Larkspur
Downtown · Larkspur Landing · Baywood
Corte Madera
Downtown / Tamal Vista · Christmas Tree Hill · The Village
Tiburon
Downtown / Main Street · Paradise Cay · Strawberry Point
Questions
What people ask about Marin County
Does Nation Wide Chimney Sweep & Repair Sausalito cover all of Marin County?
The twenty-mile radius out from central Sausalito takes in Sausalito itself along with San Rafael, Novato, Mill Valley, San Anselmo, Larkspur, Corte Madera, Tiburon and Fairfax, plus the smaller communities scattered between them. Share an address and a quick call confirms whether it falls inside that circle.
Why isn’t Crockett treated as its own city page if it’s technically inside the radius?
Crockett sits right at the outer edge of the coverage circle, and it is technically a small Contra Costa community rather than a Marin one. It is genuinely reachable, but scheduling for that particular address gets confirmed by phone rather than assumed as a routine visit.
Do WUI wildfire rules affect chimney work everywhere in Marin, or just near Mount Tamalpais?
California’s Wildland-Urban Interface fire code applies most directly to properties near open wildland — Fairfax, Mill Valley’s canyon streets and parts of Novato in particular. A waterfront property in Sausalito or Tiburon falls under the general state fire code instead of a WUI-specific overlay, and which one applies to a given address gets sorted out before any work starts.
Is one company really enough for a county with eleven separate small cities?
A single crew covering a defined twenty-mile radius means whoever repoints a hillside chimney in Sausalito this week is the same technician fitting a WUI-compliant cap in Fairfax the next — no subcontractor handoff, one set of tools and one appointment book for the entire footprint.
How do I know which Marin city page applies to my address?
Whichever city the property actually sits in is the right page — Sausalito, San Rafael, Novato, Mill Valley, San Anselmo, Larkspur, Corte Madera, Tiburon or Fairfax. For an address in a smaller community not listed there, a quick call sorts out whether it still falls inside the twenty-mile radius.
Book a visit anywhere in Marin County
Share which city and what is going on, and the right service gets confirmed on the call.
Or call (628) 296-4901 — we’ll confirm when we can help.