Fast, Reliable Chimney Cleaning & Sweep Across Redmond
Chimney cleaning and sweep in Redmond typically runs $180-$340 for a standard Level 1 service with full inspection, and most appointments are completed in a single visit. Our Chimney Cleaning & Sweep team knows the Redmond market well - we’ve been driving out to Education Hill, Grass Lawn, and the Overlake corridor for decades, and we understand how this valley’s wet microclimate changes what a chimney needs compared to drier markets east of the Cascades. Redmond sits in a pocket where orographic moisture from the Sammamish Plateau keeps humidity persistently high, which means your flue faces different enemies than a Spokane homeowner’s. We’re local enough that a technician can usually be at your door in Redmond within a day of your call, sometimes same-day. Call (844) 803-1545 and you’ll reach a live person, 24 hours a day.
Why Hearthstone Chimney Co. Is Redmond’s Preferred Chimney Cleaning & Sweep Company
We’ve been serving communities like Redmond for over 42 years - since 1984 - and that longevity means something when you’re inviting someone onto your roof. Homeowners here tend to stay put; the 1970s and 1980s stock on Education Hill and in Grass Lawn often passes from one long-term owner to the next, and those owners remember which contractors showed up on time and which ones didn’t. Our technicians are background-checked, uniformed, and trained to complete most jobs in a single visit. We document every Level 2 inspection with photos you can see and a plain-English verdict - no hidden findings, no technical jargon designed to confuse. The 90-Day Done Right Promise governs everything we touch: if it’s not right, we come back, in writing, no arguing. That’s the Keystone Standard, and it’s how we’ve stayed in business since the Reagan administration.
Calls are answered by a live person, not a voicemail tree, every hour of every day. No-hassle upfront pricing means the number on your estimate matches the number on your invoice. We’ve learned that Redmond homeowners, particularly the ones who’ve owned their homes for twenty-plus years, value predictability over flash. We aim to give them that.
Our Chimney Cleaning & Sweep Services in Redmond
Level 1 Inspection
A Level 1 inspection is the baseline for any chimney cleaning appointment in Redmond, and for many homes in 98052 it’s the right starting point. We examine the readily accessible portions of your chimney’s exterior and interior, check the firebox and damper, and verify that your flue is clear of obstructions. For the newer construction in 98053 - the planned communities on Redmond Ridge and Novelty Hill with factory-built zero-clearance fireplaces - this level of inspection often suffices if the unit has been regularly maintained and no changes have been made to the system.

Level 2 Inspection
Level 2 is where our camera work comes in, and it’s what we recommend for most Redmond homes built between 1968 and 1990. We run a high-resolution camera up the full length of your flue, documenting every crack, gap, and glaze deposit. On Education Hill, we regularly find gas log conversions from the 1990s venting into original oversize masonry flues with no flexible liner installed - a code violation and carbon-monoxide risk that a camera reveals immediately. You get the photos, you get the plain-English verdict, and you get an honest recommendation on whether sweeping will suffice or if Chimney Repair in Redmond is the smarter path.

Creosote Removal
Creosote buildup is the classic fire hazard, and Redmond’s mild winters mean some homeowners burn only occasionally - which can actually produce more glazed creosote than heavy use, because partial burns at lower temperatures deposit more unburned hydrocarbons. We remove Stage 1, 2, and 3 creosote using professional-grade brushes and, where necessary, chemical treatments that break down glazed deposits without damaging clay flue tiles. For the older unlined chimneys common in Grass Lawn and the Overlake corridor, we take extra care; aggressive mechanical removal can crack deteriorating tile, so we match the method to the flue’s actual condition.

Soot Removal
Soot is more than a cosmetic issue - it indicates incomplete combustion and can signal venting problems that need addressing. In Redmond’s damp climate, soot can absorb moisture and form acidic compounds that accelerate mortar deterioration, particularly in the soft brick used in 1970s tract construction. Our soot removal includes HEPA-containment cleanup so your living room stays clean, and we finish with a combustion-efficiency check on oil and gas systems to identify why the soot formed in the first place. If your fireplace needs deeper attention, we also offer Fireplace Services in Redmond to address the source, not just the symptom.

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 Redmond
We work exclusively with professional-grade materials from brands that other sweeps respect: Olympia Chimney, Famco, and Copperfield among them. For Redmond homeowners, this means we stock liners, caps, and repair components that match your existing system without waiting on cross-country shipping. A DuraFlex liner for a gas conversion on Education Hill, a Famco cap for a Redmond Ridge zero-clearance unit - we carry the inventory to finish most jobs in that single visit we promised. No builder-grade substitutes, no “this is close enough.” The part either fits and lasts, or we don’t install it.
Common Chimney Cleaning & Sweep Problems We See in Redmond Homes
- Moss and organic growth on exterior masonry. Redmond’s 50-plus inches of annual rainfall, concentrated by its position below the Sammamish Plateau, keeps chimney exteriors wet enough for moss to colonize brick and mortar joints. During a sweep, we inspect for the freeze-thaw spalling this moisture causes, especially in the soft 1970s brick found across 98052.
- Crown cracking and flashing failure from sustained dampness. The valley microclimate here is measurably wetter and foggier than Seattle proper, and that sustained moisture load attacks concrete crowns and step flashing faster than in drier climates. We check these elements on every cleaning visit because catching a crown crack early prevents the $1,200-$2,800 rebuild that follows water intrusion.
- Improper gas conversions in original masonry flues. On Education Hill particularly, we encounter gas log sets installed in the 1990s with no flexible liner run through the original oversize flue. The appliance is too small for the chimney volume, draft is wrong, and carbon monoxide risk is real. Our Level 2 camera finds this pattern repeatedly; it’s become almost a signature issue for that neighborhood.
- Deteriorating mortar joints in unlined 1970s-80s chimneys. The tract homes in Grass Lawn and the Overlake corridor were built with brick chimneys as upgrades, but many were never lined. Decades of acidic flue gases and Redmond’s humidity have eroded mortar from the inside; we spot this during camera inspection and can recommend repointing or relining before the structure fails.
Pricing for Chimney Cleaning & Sweep in Redmond, WA
Here’s what you can expect to pay for chimney cleaning and sweep work in the Redmond market:
- Level 1 Inspection with standard sweep: $180-$240
- Level 2 Camera Inspection with sweep: $280-$340
- Creosote removal with chemical treatment (glazed deposits): $320-$450
- Fireplace cleaning and firebox restoration: $150-$220
- Annual maintenance plan (sweep + Level 1, scheduled): $160-$200 per visit
What moves you within these ranges? Chimney height and roof access matter - a steep two-story on Education Hill takes longer than a single-story rambler in Grass Lawn. The condition of your flue matters; glazed creosote requires more labor than loose soot. And whether your system is a straightforward masonry fireplace or a factory-built unit with specific clearances affects time on site. We give you the full price before we start, in writing, and that’s the price on the invoice. No surprises on the bill. Call (844) 803-1545 for a free estimate - we’ll ask the right questions over the phone so there are no ambiguities when we arrive.
Standing offers that apply: $50 off any repair over $250, a free second opinion on any written estimate you’ve received elsewhere, our $89 Seasonal Tune-Up special, and a permanent 5% discount for seniors and veterans. We’ll apply whichever saves you most.
We Also Serve Cities Near Redmond
Our service radius covers the full Sammamish River valley and the plateau above it. We regularly clean chimneys in Union Hill-Novelty Hill, where the newer construction on the ridge faces different wind exposure than the valley floor; West Lake Sammamish, with its mix of mid-century and waterfront homes; Sammamish proper, where the Pine Lake and Beaver Lake areas carry their own microclimate quirks; and Kirkland, particularly the Bridle Trails and Juanita neighborhoods with their 1960s-70s stock. If you’re unsure whether we cover your address, call - a live person will answer and give you a straight answer.
Serving Redmond, WA - Our Local Coverage Area
We’re based in the Redmond 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 Cleaning & Sweep in Redmond
We typically schedule Redmond appointments within 24 hours, and same-day service is often available for urgent situations. Our technicians are already working in 98052 and 98053 regularly, so dispatch distance is short. Call (844) 803-1545 - a live person will check today’s schedule and find you the earliest opening.
Yes, we service every Redmond neighborhood from the original downtown core to the newest planned communities. Education Hill’s 1970s stock, Grass Lawn’s mid-century ramblers, the Overlake corridor’s tech-era construction, and Redmond Ridge’s 98053 zero-clearance fireplaces are all familiar territory to our technicians. Each area has distinct chimney characteristics, and we adjust our inspection approach accordingly.
Yes, we provide emergency response for blocked flues, suspected carbon monoxide issues, and post-chimney-fire damage assessment. Our phones are staffed by a live person 24 hours a day, 7 days a week - not a voicemail system - so you reach a human who can dispatch a technician if the situation warrants immediate attention. For life-safety emergencies, we always advise calling 911 first, then us for the structural follow-up.
Our base rates are consistent across the metro area, though Redmond’s specific conditions can affect the scope of work. The wetter microclimate here often reveals crown damage or moss-related deterioration that a drier-climate sweep might miss, potentially adding repair recommendations to a routine cleaning. The cleaning itself runs the same $180-$340 range; what differs is what we find, and we document everything with photos so you can decide on next steps with full information. Call for a free estimate - we’ll be transparent about whether your specific situation is straightforward or needs more attention.
Every job is backed by our 90-Day Done Right Promise in writing. If the sweep, inspection, or any related work is not right, we return and make it right with no paperwork and no arguing. This is the Keystone Standard, governed by our K.E.Y.S. values: Krafted right, Every time, Your home first, Standing behind it. We’ve honored this promise for over 42 years, and we intend to be here to honor it for decades more. The guarantee applies to Redmond exactly as it does everywhere we serve - no regional exceptions, no fine print.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Redmond and local communities since 1984.