Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Chimney Inspection Across Stanford
A chimney inspection in Stanford, CA typically runs $189 – $459 depending on the level, and most Level 1 or Level 2 inspections are completed in under two hours. That’s the straight answer. What matters more is what you get for that money: a real person answering the phone, a written price before we touch anything, and a written guarantee when we’re done. Our crews work throughout Stanford, from the faculty neighborhoods near Campus Drive to the hillside properties off Junipero Serra, and we know what these homes throw at us: 80-year-old clay liners, gas conversions, spalling brick crowns, and wildfire-season spark arrestor maintenance that most inspection companies never mention. Call (669) 266-5073 and we’ll walk you through exactly what your chimney needs.
Why Ashby Chimney San Jose Is Stanford’s Preferred Chimney Inspection Company
Homeowners in Stanford have been burned before. Not by fire. By contractors who don’t show, don’t call back, or double the price at the door. That’s why the Kingswell Guarantee exists, and why we put it in writing on every single job we do in Stanford. The price we quote is the price you pay. The guarantee covers every repair, and if something fails inside the guarantee period, we return and fix it at no charge. That’s the 365-Day Done Right Promise and we have been operating this way since 2002.
Nathan Corliss runs our team with a simple rule: show the work before you do the work. When our Chimney Inspection techs arrive in Stanford, they’re uniformed, background-checked, and carrying a camera. You’ll see the inside of your flue on the screen before we recommend a single repair. No one in a sales role telling you a liner is “shot” without evidence. If we say it, we can show it.
Scheduling is coordinated from our San Francisco Bay Area office, which means calls are answered by a live person 24/7. When a Stanford homeowner calls at 7pm on a Sunday with a smoke-backdrafting problem, they get a person, not a voicemail loop. We know Stanford’s streets: the narrow lanes near the Dish, the cul-de-sacs off Sand Hill Road, the older subdivisions ringing the campus. Response times within Stanford are typically same-week, and inspection-only appointments often fit inside a two-hour window.
Key Takeaways
- Chimney inspections in Stanford cost $189 – $459; Level 2 inspections for real estate closings are the most common.
- Hillside homes under wildfire-adjacent rules need annual spark arrestor and cap verification, not just a “sweep.”
- Original clay flue liners in 80 – 100 year old Stanford homes fail Level 2 inspections frequently; we show you the camera proof.
- Every inspection includes a written price, a written guarantee, and a real person on the phone throughout.
Styles & brands we work with





Chimney Fire in Stanford
A chimney fire in Stanford doesn’t look like a bonfire bursting out of your roof. It looks like a low, rumbling roar inside the flue, sometimes with creosote raining down into the firebox. In Stanford’s older Craftsman and Spanish Revival homes, chimney fires are the quiet result of years of deferred maintenance: creosote layers from decades of wood burning, mortar joints that have crumbled open, and flues that were never sized for modern fireplace inserts. If you hear that rumble or see flames above the chimney cap, call 911 first, then call us at (669) 266-5073.
What We Find in Stanford Chimney Fires
After a chimney fire, the flue is compromised. Tile liners crack, mortar joints fail, and the chimney structure itself loses integrity. Our post-fire inspection is a full camera run: every foot of the flue recorded, every crack documented, every recommendation tied to an image you can see. Stanford hillside homes under tree canopy add a second layer of risk: dry branches and accumulated leaf debris on the roof can ignite from an ember sparking through a cracked flue.
Chimney Fire Aftermath and Repair
The good news: most chimney fire repairs don’t require a full teardown. We replace cracked liners with professional-grade materials from HeatShield and Gelco, rebuild crowns, and install Copperfield caps with proper spark arrestors sized to Stanford’s wildfire regulations. If your chimney has already had a fire, you shouldn’t wait. The next fire starts easier because the liner is already damaged. A Chimney Fire inspection after the fact costs between $289 and $459 and we’ll show you the damage on camera before recommending a repair.
Level 2 Chimney Inspection in Stanford
A Level 2 Chimney Inspection is what most Stanford homes need when property changes hands, after an earthquake, or after any event that might have shifted the flue. Unlike a Level 1 visual check, a Level 2 includes a full video camera scan of the flue interior, the attic pass-through, and the exterior crown and cap. In Stanford, this is not a formality. Legally, a Level 2 inspection is the minimum standard required by the National Fire Protection Association when a property is sold or transferred. For Stanford’s high-turnover faculty housing, that means these inspections happen constantly.
When Stanford Homeowners Book Level 2 Inspections
We see three recurring reasons in Stanford: a sale is pending, a gas log conversion was done years ago and no one has looked inside since, or the wildfire season spooked the homeowner into verifying the spark arrestor actually arrests. On a Spanish Revival near Campus Drive, our techs found three fireplaces, two converted to gas logs with original clay flue liners still in place, one still wood-burning. The masonry chimney had spalling bricks and a cracked crown, and the gas flues showed first-degree creosote from occasional wood use before conversion. We replaced the crown with a Gelco system, installed Copperfield caps with spark arrestors, and performed Level 2 inspections on all flues before the fall burn season.
Camera Inspection and Flue Documentation
Every Level 2 inspection includes the camera and a written report. You keep the footage. If we recommend a liner replacement, you can watch the video yourself and see exactly where the mortar joints have eroded. That’s the part most Stanford homeowners are looking for after a previous contractor told them, “you need a new liner” without showing any evidence. We don’t work that way. We show you.
Trusted Brands We Service in Stanford
We stock and install components from manufacturers we’d put in our own chimneys: HeatShield cerfractory flue sealant for cracked clay liners, Gelco crown systems that hold up to Bay Area rain, and Copperfield caps with the spark arrestor mesh Stanford’s hillside regulations demand. When a Stanford customer needs a cap replaced or a crown rebuilt, we’re not waiting two weeks on a special order. Our vans carry the common sizes, and the uncommon ones arrive fast enough that we can usually complete the repair the same week as the inspection. Nathan Corliss is particular about this: no jobber-grade parts, no “whatever was in the van” repairs.
See the difference
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AfterCommon Chimney Inspection Problems We See in Stanford Homes
- Mortar joint erosion in original clay flue liners. The Craftsman and Spanish Revival homes near campus have liners that are 80 to 100 years old. Rain, decades of heat cycling, and acidic creosote wear away the mortar between tiles until the liner loses its seal.
- Flashing leaks at the roofline. Stanford’s cool, damp winters and occasional heavy rain events mean flashing becomes a problem faster here than in drier parts of California. We find cracked sealant and rusted metal at the chimney-roof junction on most older homes we inspect.
- Draft reversal in large custom homes with gas log conversions. When faculty homes have three or four fireplaces plus a high-efficiency HVAC system, all competing for combustion air, the fireplaces lose. Backdrafting pulls smoke and carbon monoxide into the living space. A Level 2 inspection catches these air-competition problems before they turn into a carbon monoxide incident.
- Clogged caps and dampers from wildfire smoke. Summer fire season pushes fine ash into the cap mesh and seizes dampers. By October, when Stanford homeowners want their first fire of the season, the damper won’t open or the smoke spills backward. Annual inspection prevents this predictable cycle.
Pricing for Chimney Inspection in Stanford, CA
A standard Level 1 chimney inspection in Stanford runs $189 to $249. A Level 2 inspection with full camera documentation typically runs $289 to $459, depending on the number of flues and access difficulty. Hillside homes with multiple fireplaces and steep roof access land at the higher end of that range. Post-fire inspections and real estate inspections with additional documentation typically run $349 to $459. No estimate is a guess: we give you a written price before any work begins, and that’s the number on the invoice. If a repair is needed, the repair quote is separate and also in writing. Call (669) 266-5073 and we’ll give you a fixed quote for your specific home.
We Also Serve Cities Near Stanford
Ashby Chimney San Jose serves Chimney Inspection in Stanford and the surrounding communities including Palo Alto, Menlo Park, Atherton, and Los Altos. Each city has its own housing stock and inspection patterns, but the standard is the same: written price, written guarantee, real phone call. If you’re outside Stanford proper, ask about our coverage for your neighborhood.
Serving Stanford, CA - Our Local Coverage Area
We’re based in the Stanford 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 About Chimney Inspection in Stanford
Yes. Gas log conversions leave the original flue in place, and that flue is usually clay tile that was designed for wood smoke, not the continuous heat and higher moisture of gas combustion. In Stanford’s hillside custom homes, unconverted wood-burning flues with decades of creosote can have first- or second-degree creosote deposits that a gas fire slowly bakes and hardens. A Level 2 camera inspection tells you whether the old flue is safe for gas or whether it needs a liner. Call (669) 266-5073 if you’ve got a converted fireplace and no inspection on record.
Stanford’s wildfire-adjacent building codes require spark arrestors with specific mesh sizing on any chimney that terminates in a wildfire hazard zone. The mesh must prevent embers from escaping the flue, and it must be maintained annually because summer fire smoke clogs the screen and winter debris can block it completely. Our inspections include cap and spark arrestor verification as standard. If your cap is missing, damaged, or undersized, we’ll quote a Copperfield replacement with the correct mesh before fall burn season. Call (669) 266-5073 for a cap check.
Those chimneys need a Level 2 inspection, minimum, and ideally a camera scan every single year. Eighty-plus years of thermal cycling, rain penetration, and occasional chimney fires have almost certainly compromised the mortar joints. A visual Level 1 will not catch internal erosion. On the original Craftsman homes near campus, we find spalling clay tile, open mortar joints, and cracked crowns on the majority of uninspected chimneys. The Level 2 camera is the only way to know. Call (669) 266-5073 for a fixed quote.
Stanford’s cool, damp winters and steady Bay Area rain put constant hydrostatic pressure on chimney flashing, and most older homes have aging sealant that has simply given up. Additionally, the wet-dry-freeze cycles of the Peninsula’s shoulder seasons micro-fracture the caulk bonds faster than dry climate would. We fix these leaks when we find them during inspection, but catching them early means the difference between a $250 reseal and a $3,000 roof repair. Call (669) 266-5073 before the next storm season.
Yes, and it happens in Stanford homes more often than you’d think. Even if the fireplace is now gas, the original flue may still be coated with creosote from decades of wood burning. Creosote is fuel, and under the right conditions (high heat, restricted airflow), it can ignite. The only reliable way to know whether your converted fireplace has flammable creosote in the flue is a camera inspection. If you’ve got a gas log conversion and no record of a flue cleaning or inspection, call (669) 266-5073 now.
Written by Nathan Corliss, Owner at Ashby Chimney San Jose, serving Stanford since 2002.
Ready to book? Call (669) 266-5073 for a free estimate on chimney inspection in Stanford, CA. We answer the phone, we show up when we say we will, and we put the price in writing before any work begins.