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.
Styles & brands we work with
- Sweep & inspection
- Caps & crowns
- Flue relining
- Masonry repair
- Gas fireplace service
See the difference
Before
After
Before
After
Before
AfterHow Much Does Chimney Repair Cost in Mountain View?
Chimney repair in Mountain View typically runs $375 to $2,400, with most common fixes landing between $425 and $850. A crown rebuild or a small masonry patch sits at the low end ($375 – $650), HeatShield liner resurfacing runs $1,100 – $2,000, and a full DuraFlex stainless reline reaches $2,400 or more on taller flues or two-story chimneys. Same-day diagnostic appointments are routine here, and every estimate is free.
Mountain View sits in the Santa Clara Valley, and the housing stock tells the story. Blocks of 1920s bungalows near downtown, mid-century ranchers off Castro Street, and newer builds in the Whisman and North Bayshore corridors all bring different chimney problems. A 90-year-old red-brick flue behaves nothing like a 1960s ranch with a pre-fab insert. We diagnose the specific chimney on your roof, then give you a number tied to what’s actually there.
Key takeaways
- Most Mountain View chimney repairs fall between $425 and $850.
- HeatShield liner resurfacing costs $1,100 – $2,000 and avoids a full tear-out on many older flues.
- A complete DuraFlex stainless reline runs $2,400 to $5,500 depending on height and flue configuration.
- Crown and masonry repairs are the most common jobs we see on downtown Mountain View and Old Mountain View homes.
- Free estimates, no handoff to a second contractor. We sweep, repair, and reline: one company, one call.
Chimney Repair Cost Breakdown (2026)
Here’s what repairs actually cost in the Mountain View market this year. These ranges reflect residential chimneys, standard roof access, and material supplied from professional-grade lines.
| Repair | Typical Cost Range | What drives the price |
|---|---|---|
| Level 1 inspection + sweep (baseline) | $185 – $325 | Flue length, creosote load, roof pitch |
| Crown repair (cracked or spalling) | $425 – $850 | Crown size, mortar color match, access |
| Crown rebuild | $650 – $1,150 | Full removal, new form, cast-in-place concrete |
| Masonry/tuckpointing (per area) | $375 – $900 | Number of courses, spalled brick count |
| Chimney cap replacement | $250 – $575 | Multi-flue caps, custom sizing, stainless grade |
| Flue tile crack repair (individual) | $400 – $800 | Tile location, heat stress, reline vs. repair |
| HeatShield liner resurfacing | $1,100 – $2,000 | Flue size, number of passes, offset configuration |
| DuraFlex stainless reline (full) | $2,400 – $5,500 | Height, flue diameter, insulation, cap assembly |
| Firebox repair / rebuild | $800 – $2,200 | Brick damage, fireback replacement, damper work |
| Damper replacement | $350 – $700 | Top-seal vs. throat-mount, custom sizing |
| Waterproofing (per chimney) | $300 – $600 | Square footage, masonry porosity, sealer type |
The line items that push a bill toward the high end usually aren’t the repair itself. They’re the access. A chimney on a steep-pitch roof, a flue offset inside the masonry, or a firebox that needs a damper and fireback at the same time will add cost. What pulls a bill down is catching a problem early. A hairline crown crack at $450 today is a $1,800 crown-and-flashing rebuild next spring, especially in a wet winter like the ones Mountain View gets when atmospheric river systems roll through the Bay Area.
We stock and work with DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield. That means our quotes reflect real material costs for the products we actually install, not estimates marked up from a hardware-store substitute. Industry-grade materials, not hardware-store substitutes.
What Affects Chimney Repair Pricing in Mountain View
Mountain View chimneys age in particular ways. Here’s what moves the number on your estimate.
- Age and construction of the home. The 1920s and 1930s bungalows near downtown Mountain View often have original red-brick chimneys with lime-mortar joints. That mortar is softer than modern mixes, and it weathers faster. Repointing with the wrong mortar will do more damage than leaving it, so those jobs take more care and more time.
- Seismic movement. This is a real cost driver in Mountain View. Chimneys are the least-braced part of an older house, and small tremors over decades open hairline cracks in crowns and flue tile. We find more crown and flue-tile damage here than in cities on firmer ground further inland.
- Marine layer moisture. The fog that settles over the Santa Clara Valley most summer mornings keeps masonry damp longer. Damp brick plus a freeze-thaw cycle in January is how spalling starts. Waterproofing and crown condition matter more here than the climate would suggest.
- Flue configuration. Straight, round flues are cheap to reline. Offset flues, rectangular clay tile, and older chimneys with multiple appliance connections need DuraFlex flexible liner sized to the actual flue, which costs more but is the right fix.
- Roof access and pitch. Two-story chimneys and steep-pitch roofs require more setup and safety rigging. That labor shows up in the quote, and it should. Don’t hire anyone who plans to skip it.
- Repair vs. replace decision. Sometimes HeatShield resurfacing ($1,100 – $2,000) restores a flue that would otherwise need a $3,000+ full reline. Sometimes the tile is too far gone and resurfacing won’t hold. The only way to know is a real inspection with a camera, not a guess from the ground.
Repair or replace: which costs less over time?
It depends on how much of the flue is damaged. If the damage is isolated to a few tile joints or a single cracked section, HeatShield resurfacing or a spot repair saves real money. If the clay tile is cracked throughout, spalling, or the flue has gaps you can see on camera, a full DuraFlex reline is the honest answer. A patch that fails next winter costs more than doing it right once.
We diagnose and fix, not just inspect and leave. When we open a chimney up, you get a written scope with the repair options and the cost of each, so you can compare resurfacing against relining on the same page. That’s the whole point of offering Chimney Repair in Mountain View as a service line rather than passing you to a mason.
How to Save on Chimney Repair
There’s no secret discount code for chimney work. What saves money is timing and scope.
- Catch it before winter. A crown crack found in September is a $450 repair. The same crack after a wet January, when water has worked into the masonry and the flue, is often $1,500 or more. Book the inspection in late summer or early fall.
- Bundle the sweep with the repair. If we’re already on the roof for a sweep, we’re not charging a second trip fee to fix a crown or replace a cap. One appointment covers the cleaning and the fix.
- Waterproof once. A $300 – $600 waterproofing treatment on sound masonry slows the spalling that leads to repointing bills years down the road. It’s the cheapest line item on the table and the one most people skip.
- Get the camera inspection. A Level 1 visual inspection won’t find a cracked flue tile hidden behind an offset. A camera inspection costs a bit more up front and routinely saves homeowners from either overpaying for a reline they didn’t need or missing a flue crack that becomes a carbon monoxide problem.
- Ask what’s driving the quote. A contractor who can’t break the price into labor and materials isn’t giving you an estimate. You’re getting a number. Free estimates mean you can compare two or three of them.
We sweep, repair, and reline, so the same crew that cleans your flue can quote the fix. Call (866) 596-8327 and we’ll schedule a free estimate.
Is chimney repair covered by homeowners insurance in Mountain View?
Sometimes, but usually not for the reasons people hope. Standard California homeowners policies cover sudden damage from a covered event, like a chimney struck by a falling tree or damaged in an earthquake if you carry that endorsement. They generally don’t cover wear, settling, water intrusion, or deferred maintenance, which is what causes most of the crown and masonry damage we see in Mountain View. If your repair traces back to a single event, get photos before anyone touches the chimney and call your insurer first. If it traces back to age and weather, plan to pay out of pocket.
Can you fix a cracked chimney crown without rebuilding it?
Often, yes. If the crown is cracked but still structurally sound and well-bonded to the chimney, a repair with a proper bonding agent and crown coat runs $425 – $850 and can last years. If the crown has separated, crumbled, or is letting water down the sides, a rebuild at $650 – $1,150 is the honest fix. A patch over a failing crown is money thrown at a problem that comes back. We’ll tell you which situation you’re in after we get on the roof.
When should a chimney be relined instead of repaired?
When the clay tile is compromised along enough of the flue that a spot repair won’t make it safe. Common signs: cracked or missing tiles visible on camera, gaps at the joints, flue gases leaking into the surrounding masonry, or a flue that’s undersized for the appliance connected to it. At that point HeatShield resurfacing ($1,100 – $2,000) or a DuraFlex stainless reline ($2,400 – $5,500) is the fix, and which one depends on how irregular the flue is. HeatShield works well on flues that are sound but rough. DuraFlex handles offsets and non-standard shapes that a cast-in-place liner can’t reach.
How much does a chimney inspection cost in Mountain View?
A Level 1 inspection and sweep in Mountain View runs $185 to $325. A Level 2 camera inspection, which is what you need before any reline decision, adds roughly $75 to $150 to that. If we find a repair during the inspection, the estimate for the fix is free, and booking the sweep and the repair together saves you a return trip. Call (866) 596-8327 to schedule.
Do dryer vents affect chimney repair costs?
Not directly, but they belong in the same conversation. Dryer vent lint is one of the leading causes of residential fires, and a clogged vent pushes heat and moisture into the same wall cavity your chimney passes through. We clean both on the same visit so a single appointment handles the two fire risks in an average Mountain View home. A dryer vent cleaning runs $125 – $225 depending on vent length and routing. Your dryer vent is a fire risk too. We clean both.
FAQs – Chimney Repair Cost
How much does chimney repair cost in Mountain View?
Most chimney repairs in Mountain View cost $375 to $2,400, with the typical job landing between $425 and $850. Small masonry and crown work sits at the low end, liner resurfacing runs $1,100 – $2,000, and a full reline reaches $2,400 – $5,500. Call (866) 596-8327 for a free estimate specific to your chimney.
What’s the most expensive chimney repair?
A full DuraFlex stainless reline on a tall or offset flue is the costliest common repair, running $2,400 to $5,500. Firebox rebuilds and major masonry work can reach $2,200. The reason it’s expensive is simple: the flue has to be sized, insulated, and capped as a system, and doing it right takes a full day or more. Call (866) 596-8327 and we’ll tell you whether resurfacing at a lower cost is an option first.
Is it cheaper to repair or replace a chimney?
Repair is almost always cheaper in the short term. A $450 crown repair beats a $6,000 – $12,000 chimney rebuild any day. But if the chimney is leaning, has separated from the house, or the masonry is failing throughout, replacement becomes the honest answer. In Mountain View, most repair decisions come down to crown, flue tile, and flashing, all of which we can fix without a rebuild. Free estimates either way.
How much does chimney crown repair cost in Mountain View?
Crown repair runs $425 to $850, and a full crown rebuild runs $650 to $1,150. The price depends on crown size, whether it’s a cast-in-place rebuild, and how much mortar color matching the original brick requires. Call (866) 596-8327 for an exact quote. Estimates are free.
Can you come today?
We schedule same-day diagnostics for chimney problems and dryer vent cleanings when the calendar allows, and we can often get a crew out within a day or two. Roof access, weather, and your location in Mountain View affect timing. Call (866) 596-8327 and we’ll tell you the earliest slot. Estimates are always free, and we give you the price before anyone picks up a tool.
Floor plan to final invoice: what a repair appointment looks like
You call, we schedule. On the day, we inspect the chimney (and the dryer vent if you’ve asked for both), show you what the camera sees, and quote the repair. Nothing gets done without a signed estimate. Most single repairs, crowns, caps, dampers, and masonry patches, finish in one visit. Relines take a full day on a typical Mountain View flue and longer on two-story or offset chimneys. One company handles the inspection, the cleaning, and the repair, so you’re not waiting on a second contractor to finish what the first one started.
If your chimney is pulling away from the house, the flue is cracked, or you’re seeing water stains on the ceiling near the chase, stop burning until it’s inspected. Gas and wood appliances vent carbon monoxide through that flue, and a compromised chimney is not a wait-and-see problem. We’d rather quote you a $450 repair than get called about a much bigger problem in February.
Book a free estimate in Mountain View
We’re a full-system venting specialist: chimney sweep, dryer vent cleaning, and Chimney Repair handled by the same team. Industry-grade materials, real diagnostics, one call. Call (866) 596-8327 for a free estimate, and we’ll get you a real price for your chimney and your dryer vent in the same visit.
Pricing reflects the Mountain View market as of 2026. Chimney Sweep Mountain View offers free estimates. Call (866) 596-8327.
Written by the team at Chimney Sweep Mountain View, serving Mountain View and the Santa Clara Valley.
What Our Customers Say
"Liner was cracked in two places. He walked me through the repair options honestly, including the one that was cheaper for him and better for me."
- Adam Hayes"Thorough sweep and a clear report. He was running late from the job before and arrived near the end of the window, though he did call to warn me."
- Beatriz Martinez"Creosote buildup was worse than I realized. He measured it, showed me the glazing on the flue with the camera, and was honest that we were closer to a chimney fire than I wanted to hear."
- Dana Whitaker