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 Cleaning & Sweep Cost in Sunnyvale?
A standard chimney sweep in Sunnyvale typically costs $190 to $350 for a single flue, and most one-story homes land near the lower end of that range. Add a Level 2 camera inspection and you’re usually looking at $300 to $550. If the sweep turns up cracked flue tiles or a failed crown, repair work is quoted separately, and that’s where costs can climb into the thousands.
Those ranges hold up across most of Sunnyvale, from the older ranch homes near downtown to the two-story houses out toward the Cupertino and Saratoga borders. What moves the number up or down is creosote buildup, roof access, and how much the technician finds once the camera goes in.
Chimney Cleaning & Sweep Cost Breakdown (2026)
Here’s how the line items break out for a typical Sunnyvale home. These are estimated ranges, not a quote. The written estimate we hand you after inspection is what sets the final price, and there’s no charge for the estimate itself.
| Service | Typical Sunnyvale Range (2026) | What It Covers |
|---|---|---|
| Standard chimney sweep (single flue) | $190 – $350 | Brush and vacuum of the flue, firebox, smoke shelf and damper area |
| Level 1 inspection (with sweep) | Usually included | Visual check of accessible flue, firebox and cap condition |
| Level 2 camera inspection | $110 – $220 | Video scan of the full flue, required before relining or after a chimney fire |
| Second flue (two-flue chimney) | Add $90 – $160 | Same sweep process on the second flue |
| Difficult roof access (steep pitch, tall stack) | Add $75 – $175 | Extra time and safety setup to reach the crown |
| Heavy creosote removal (Stage 3) | Add $150 – $400 | Glazed or hardened deposits that need specialized tools |
| Dryer vent cleaning (same visit) | $120 – $200 | Full-length vent brush and vacuum, lint trap to exterior termination |
| Chimney cap replacement | $180 – $450 | Famco or Copperfield cap fitted to your flue size |
| Crown repair | $350 – $850 | Crack sealing or partial rebuild of the concrete crown |
| HeatShield flue resurfacing | $1,200 – $2,400 | Restores damaged flue tiles without a full reline |
| DuraFlex liner installation | $2,200 – $4,800 | Flexible stainless liner sized to your flue’s actual geometry |
What pushes a sweep toward the top of the range? Heavy creosote, a chimney that hasn’t been touched in years, or a roof that needs extra care to reach. What keeps it low? A single-story home, one flue, a modest firebox, and a chimney that gets swept on a sensible schedule. The dryer vent line item is worth noting: if your laundry vent is due as well, we handle both in the same visit, so you’re not paying for two separate appointments and two separate trips.
What Affects Chimney Cleaning & Sweep Pricing in Sunnyvale
Every chimney is a little different, and the price follows the work. Here are the factors that make the biggest difference on a Sunnyvale job.
- How much creosote has built up. A light dusting sweeps out quickly. Glazed, hardened deposits take specialized tools and much more time, which is the single biggest cost driver on most jobs.
- How often you burn. Households that use a wood fireplace most nights in winter build creosote faster than the occasional weekend fire. More frequent sweeps keep each one cheaper because there’s less to remove.
- Chimney height and roof pitch. A tall stack on a steep-pitch roof takes longer to set up and work safely, so expect that to show up on the estimate. Most Sunnyvale tract homes are straightforward; some of the older custom homes near downtown are not.
- Number of flues. A second flue is a second job. It’s cheaper than a standalone first sweep, but it’s not free.
- What the inspection finds. A sweep is cleaning. The moment the camera spots a cracked tile, a failed crown, or a gap at the smoke shelf, repair enters the conversation. That’s why the estimate has to come after the inspection, not before.
- Dryer vent add-on. Bundling the dryer vent into the same visit usually costs less than booking it separately later, and it deals with two of the most common residential fire sources at once.
How to Save on Chimney Cleaning & Sweep
The cheapest sweep is the one booked before things get out of hand. A short list of practical ways to keep the cost down without cutting corners.
- Sweep on a schedule, not after trouble. Annual cleaning for a regular wood burner keeps creosote from climbing to the expensive Stage 3 category.
- Burn seasoned wood. Dry, well-seasoned firewood produces less creosote than green or wet wood, so the next sweep has less work to do.
- Bundle the dryer vent. If your vent is due, adding it to the chimney visit is cheaper than a second appointment.
- Ask about HeatShield before a full reline. When damaged flue tiles are still structurally sound, resurfacing can be a lower-cost alternative to a complete liner. Not every chimney company offers it, so it’s worth asking directly.
- Get the estimate in writing, free. That’s the price that matters. Call (833) 593-7116 and we’ll quote the actual job, not a range off a website.
Repair vs. Replace: What Sunnyvale Homeowners Should Know
This is the question that comes up most often once the camera inspection is done. The answer depends on whether the flue is structurally sound. If the tiles are cracked but still carrying the chimney, HeatShield resurfacing can often restore them at a fraction of the cost of a full reline. If the flue is failing or has significant gaps, a DuraFlex flexible liner is the durable fix, and its adaptability means it fits chimneys with offsets and unusual geometry that a rigid liner can’t handle.
Repair handled in-house matters here. From crown and cap work to liner repair, the same crew that finds the problem can fix it, so findings don’t get handed off to a separate mason and re-explained. We work with professional-grade components from Gelco, Olympia Chimney, Famco, and Copperfield. That’s not a brand list to impress you with; it’s the difference between a cap or liner that lasts and a hardware-store substitute that fails early.
What Happens When You Call
We inspect first, explain what we found, then quote the repair. No pressure, no mystery. A technician arrives, sweeps the flue, and runs a camera where the inspection calls for it. You get a clear picture of the chimney’s condition and a written estimate before any repair work begins. If dust is a concern, know that sweep setups use vacuum containment, so the job stays clean.
For urgent situations, we answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday. If you have a chimney fire, call us before you use the fireplace again. For routine work, schedule when it suits you. Same-day service is often possible.
Why Sunnyvale Homeowners Call Us
We’re a full-service chimney and venting specialist, focused on three services done properly: chimney sweep, chimney repair, and dryer vent cleaning. Twelve years in the work has taught us that material choices matter as much as technique. HeatShield application, DuraFlex liner systems, and professional-grade caps from Famco and Copperfield are the tools we trust because they hold up. When we finish a sweep, it’s a real clean, and when we repair a crown or resurface a flue, it’s done to last.
You can see how the work is described on our main chimney cleaning Sunnyvale page. If you’re outside the immediate area, our Sunnyvale page covers the neighborhoods we serve. And if you use a gas or wood fireplace regularly, book the sweep before the creosote tells you it’s time.
FAQs – Chimney Cleaning & Sweep Cost
How much does a chimney sweep cost in Sunnyvale?
A standard single-flue sweep runs $190 to $350 for most Sunnyvale homes, and a two-story home with difficult roof access can reach the higher end. Call (833) 593-7116 for an exact quote, since estimates are free.
How often should I have my chimney swept?
Once a year for a household that burns wood regularly, and more often if you burn heavily. If you use the fireplace occasionally, a sweep at the start of the burn season is plenty. The estimate covers what a sweep actually needs this year.
Is it cheaper to repair or replace a damaged flue?
Repair is cheaper when the tiles are still structurally sound: HeatShield resurfacing at $1,200 to $2,400 beats a full liner at $2,200 to $4,800. When the flue is failing, replacement is the right call. Call (833) 593-7116 and we’ll tell you which case yours is.
Does chimney cleaning include the dryer vent?
No, unless you request it. Dryer vent cleaning runs $120 to $200 and is cheaper when bundled into the same visit as the chimney sweep. One call covers both, which is the point: two common fire sources dealt with at once.
Can you come today?
Often, yes. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday, and we’re closed Saturday. Call (833) 593-7116 and we’ll book the next opening.
Pricing reflects the Sunnyvale market as of 2026. Chimney Cleaning Sunnyvale offers free estimates – call (833) 593-7116.
Written by the team at Chimney Cleaning Sunnyvale, serving Sunnyvale since 2014.
What Our Customers Say
"Fireplace had never drawn properly since we moved in. He found the damper was only opening halfway due to a bent linkage and fixed it in ten minutes."
- Eric Nguyen"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."
- Andre Boyd"Cap keeps the birds out now, which after two springs of scratching noises is worth every penny."
- Angela Yang