Fast, Reliable Chimney Liner & Rebuild Across San Mateo
Chimney liner replacement and rebuild work in San Mateo typically runs $2,800-$8,500 depending on scope, and most projects are completed in a single day once materials are staged. If you’re smelling smoke in your living room, seeing mortar crumble in the firebox, or your home inspector flagged a missing or cracked liner, the problem won’t improve with time. We’re Hearthstone Chimney Co., and we’ve been driving out to San Mateo since 1984 - long before the 92 freeway connected the way it does now. Our technicians are background-checked, uniformed, and carry the professional-grade materials needed to reline or rebuild most San Mateo chimneys without a return trip. Call (844) 803-1545; a live person answers, 24 hours a day.
Why Hearthstone Chimney Co. Is San Mateo’s Preferred Chimney Liner & Rebuild Company
San Mateo homeowners don’t hire us for flash. They hire us because we’ve been here, done this exact work, and plan to be here when the next question comes up.
Our reputation in San Mateo was built on the 94402 hillside estates and the craftsman blocks near Central Park alike. We’ve relined original masonry flues in San Mateo Park homes that hadn’t been opened since the 1970s, and we’ve handled our Chimney Cap & Crown in San Mateo on Aragon Avenue properties where the fog convergence off Crystal Springs had eroded mortar joints to powder. Customers in San Mateo leave reviews mentioning the same things: photos they could see, a plain-English verdict they understood, and technicians who arrived when promised.
Response time matters here. From our dispatch, we’re typically on-site in San Mateo within 90 minutes to two hours for urgent calls - liner separations, visible chimney settlement, or smoke backing up into the house. For scheduled liner and rebuild work, we book firm arrival windows and confirm the morning of.
We know the local conditions that ruin chimneys. The marine layer that funnels east through the Coast Range gap keeps San Mateo masonry persistently damp year-round, accelerating mortar erosion and damper rust even in our Fireplace Services in San Mateo that see only occasional use. That local knowledge changes how we inspect, what materials we specify, and how we explain the work to you.
Our Chimney Liner & Rebuild Services in San Mateo
Stainless Steel Liner Installation
For most San Mateo homes with deteriorating clay tile or no liner at all, a stainless steel liner is the permanent fix. We size and install DuraFlex and Olympia Chimney stainless systems that handle wood, gas, or pellet applications. In the 94401 and 94402 ZIP codes, where pre-WWII masonry chimneys dominate, we regularly find original flues too damaged for spot repair - a properly sized stainless liner restores safe draft and meets current NFPA 211 standards without a full rebuild. Most installations finish in one day.

Flexible Liner Solutions
Not every San Mateo chimney runs straight. The offset flues in hillside homes near the Hillsborough border, or the angled smoke chambers in Spanish Colonial revivals off El Camino Real, often won’t accept rigid pipe. We install flexible liners from DuraFlex that navigate offsets and tight transitions while maintaining proper diameter for your appliance. Our Chimney Liner & Rebuild team measures with video inspection first - no guesswork on what will fit.

Liner Replacement
Sometimes the liner is present but failed: cracked clay tiles, gaps at joints, or corrosion in older metal systems. We extract the damaged material and install a new liner sized to your fireplace or heating appliance. In Foster City and the 94404 tract homes, we also replace corroded prefabricated metal chimney systems that builders installed in the 1970s and 1980s. The work includes a Level-2 camera inspection afterward, with photos you can see and a plain-English verdict on condition.

Partial Chimney Rebuild
When the liner damage extends to the surrounding masonry - spalled brick, eroded mortar joints, or a settled smoke chamber - partial rebuild is the honest recommendation. We rebuild from the firebox up, or from the roofline down, preserving what is sound and replacing what is not. San Mateo’s damp climate means we frequently encounter this scenario in 94402 hillside chimneys where decades of moisture intrusion have compromised the structure behind a still-functional-looking facade. We also handle Chimney Repair in San Mateo for less extensive masonry work, and Chimney Cleaning & Sweep in San Mateo to maintain systems after rebuild.

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.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in San Mateo
We don’t substitute. Every liner and rebuild job in San Mateo uses professional-grade materials from brands that the trade trusts: DuraFlex for flexible stainless systems, HeatShield for cerfractory flue resurfacing, and Copperfield for chimney caps and crown-forming supplies. We stock common diameters and fittings locally, which means your San Mateo project isn’t delayed waiting for a parts shipment from the East Bay. When we specify Gelco or Famco components for a cap or termination, it’s because that brand’s specifications match your flue size and local wind exposure - not because it’s what we had on the truck.
Common Chimney Liner & Rebuild Problems We See in San Mateo Homes
- Original unlined flues in 1920s-1940s estates. The Tudor and Spanish Colonial homes in San Mateo Park and Aragon were built without liners, and many have never been retrofitted. Cold, smoldering fires - the kind BAAQMD Spare the Air restrictions encourage - deposit glazed creosote that accelerates flue deterioration.
- Moisture-wrecked mortar in fog-zone chimneys. San Mateo’s position in the marine layer convergence means persistent damp even in summer. We’ve rebuilt chimney crowns and upper courses on Hillsborough-border homes where mortar had turned to sand despite the fireplace seeing minimal use.
- Cracked clay tile in infrequently swept systems. Homeowners who burn rarely often skip inspection. In 94402, we find stage-two and stage-three creosote buildup that has expanded and cracked original terra cotta liners, creating a path for heat and combustion gases into the chimney wall.
- Corroded prefab metal systems in 1960s-1980s tract homes. The Foster City and 94404 housing stock used factory-built metal fireplaces with integral metal chimneys. After forty years of salt air and condensation, these systems rust through at the termination or separation joints, requiring full replacement with listed components.
Pricing for Chimney Liner & Rebuild in San Mateo, CA
San Mateo pricing reflects local labor rates, hillside access considerations, and the condition of older masonry common to the area. Here is what we typically see:
| Service | Typical Range in San Mateo |
|---|---|
| Stainless steel liner installation (straight flue, standard appliance) | $2,800 - $4,200 |
| Flexible liner with offsets or transitions | $3,400 - $5,500 |
| Liner replacement (removal and reline) | $3,200 - $5,800 |
| Partial chimney rebuild (firebox to roofline section) | $4,500 - $8,500 |
| HeatShield cerfractory resurfacing (suitable flues only) | $2,200 - $3,600 |
What moves the number: flue diameter and height, number of appliances connected, accessibility (steep 94402 lots can require additional scaffolding), and the extent of masonry repair needed before lining. We provide no-hassle upfront pricing after inspection - the number on the estimate is the number on the invoice. Estimates are free, and we offer a $50 discount on any repair over $250. Seniors and veterans receive a standing 5% discount. Call (844) 803-1545 to schedule.
We Also Serve Cities Near San Mateo
Our service area extends naturally from San Mateo to the surrounding communities where similar housing stock and coastal conditions create identical chimney problems. We regularly perform liner and rebuild work in San Mateo itself, plus Foster City, Belmont, Hillsborough, and Redwood Shores. The same technician who knows your 94402 hillside chimney likely worked a similar job in Hillsborough last week.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 Liner & Rebuild in San Mateo
For urgent issues - smoke backup, visible chimney separation, or a failed inspection blocking a home sale - we typically arrive within 90 minutes to two hours. Scheduled liner and rebuild projects are booked with firm arrival windows, confirmed the morning of. Call (844) 803-1545; a live person answers 24/7 to set your appointment.
Yes. We work throughout 94401, 94402, 94404, and 94497, including San Mateo Park, Aragon, and the western hillside estates bordering Hillsborough. Our technicians are familiar with the access constraints and parking limitations specific to these areas.
Yes. Our phones are staffed by a live person 24 hours a day, 7 days a week, including holidays. If your liner has separated, your chimney is actively leaking combustion gases, or your damper has failed completely, we dispatch for same-day assessment and temporary or permanent repair.
San Mateo liner and rebuild costs run comparable to Belmont and slightly below Hillsborough, where hillside access and larger estate chimneys push labor higher. Foster City’s prefabricated systems often cost less to replace than 94402 masonry relines. We provide exact quotes after inspection - call (844) 803-1545 for your free estimate.
All work is covered by our 90-Day Done Right Promise - the Keystone Standard - in writing with no arguing. If it’s not right, we come back and make it right. Beyond that, stainless steel liners carry manufacturer warranties ranging from lifetime to 20 years depending on the product line and application. We register warranties and provide documentation before we leave your property.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving San Mateo since 1984.