Fast, Reliable Chimney Cap & Crown Across Bothell
Chimney cap and crown repair in Bothell typically runs $280–$890 depending on whether you’re sealing a masonry crown or replacing a rusted chase cover, and most jobs are completed in a single visit. We serve Bothell from our Seattle base, usually arriving same-day or next-day to neighborhoods from downtown Bothell near the Sammamish River up through Canyon Park and North Creek. If you’re seeing water stains on your firebox, hearing animals in the chase, or noticing rust streaks down your siding, call (866) 541-8697 — we’ll diagnose it on arrival and give you an upfront price before any work starts.

Our Chimney Cap & Crown team knows Bothell’s housing stock intimately. We’ve spent 17 years working on the exact prefab fireplaces and mid-century masonry chimneys that dominate this market, and we’ve learned how the Sammamish River valley’s persistent moisture and the North Creek greenbelt’s wildlife corridors create failure patterns you won’t find in drier, more exposed suburbs.
Why Horizon Chimney Sweep Washington Is Bothell’s Preferred Chimney Cap & Crown Company
James Wilson has been the lead technician at Horizon Chimney Sweep for 17 years, and he’s personally handled cap and crown work on hundreds of Bothell homes — from the aging tract developments in 98012 to the mid-century brick chimneys near Main Street in 98011. That depth matters when you’re diagnosing whether a leak is coming from a failed crown, a rusted chase cover, or cracked refractory panels hidden behind the firebox.
Our reputation here is documented: 1,006 verified reviews averaging 4.8 stars, many from repeat Bothell customers who’ve had us back annually for sweeping and called us again when their cap or crown showed trouble. We don’t subcontract. James Wilson or one of our chimney-exclusive technicians arrives at your door, not a generalist handyman who also cleans gutters.
Response time to Bothell is typically same-day for cap and crown emergencies — water actively entering the firebox, animal intrusion, or storm damage — and next-day for standard assessments. We carry Gelco multi-flue caps, Famco wind-rated models, and Copperfield chase covers on our trucks, so most Bothell replacements don’t require a return trip.
Our Chimney Cap & Crown Services in Bothell
Cap Installation
New cap installation in Bothell runs $340–$620 for standard single-flue stainless steel models, $580–$890 for multi-flue caps with wind-rated baffles on prefab chase enclosures. We size and fit on-site — critical in Bothell, where the 25–35 year old prefab units in Canyon Park and North Creek often have non-standard chase dimensions from manufacturers no longer in production. A properly fitted cap stops the moisture infiltration that shortens firebox life.
Cap Replacement
Cap replacement is our most frequent Bothell call. The Sammamish River valley’s persistent fog and moisture pool accelerates rust on galvanized chase covers and rain caps far faster than in higher-elevation suburbs — we regularly replace caps in Bothell that lasted barely 8–10 years versus 15+ in drier markets. Replacement runs $280–$650 depending on flue count and whether we need to rebuild deteriorated crown flashing. We stock Olympia Chimney and Famco stainless caps rated for our wet climate.
Crown Repair
Masonry crown repair in downtown Bothell’s older core — the mid-century brick homes near the Sammamish River — addresses decades of Pacific Northwest moisture erosion. We grind out spalled concrete, re-form proper drip edges, and seal with reinforced polymer coatings that flex through freeze-thaw cycles. Typical crown repair: $420–$780. Severe deterioration requiring partial rebuild: $890–$1,400.
Crown Coating
Preventive crown coating on sound masonry runs $280–$450 in Bothell. We apply this proactively on crowns showing hairline cracking but still structurally intact — common on 1960s–1970s chimneys in the 98011 zip before the heavy fall rains arrive. The coating buys 8–12 years of protection versus letting moisture penetrate and trigger a full rebuild.
Multi-Flue Cap
Multi-flue caps cover the entire chimney top on homes with multiple fireplaces or a fireplace and furnace vent sharing a chase. In Bothell’s North Creek subdivisions, these are essential for blocking wildlife — raccoons and starlings routinely enter open chase enclosures from the dense alder and Douglas fir canopy. We install Gelco and Famco multi-flue models with mesh screening sized to stop animals while maintaining draft. Installed: $620–$950.
Custom Cap
When standard caps won’t fit aging prefab chases or unusual masonry configurations — common on Bothell’s 1980s–1990s tract homes with discontinued manufacturer specs — we fabricate custom solutions. Custom cap work starts at $780 and typically requires a preliminary measurement visit.

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 Bothell
We install and repair with brands that survive Bothell’s wet climate: Gelco multi-flue caps for wildlife-exposed North Creek homes, Famco wind-rated models for properties in open exposure near I-405, and Copperfield chase covers and flashing components. For crown coatings and refractory repairs, we use HeatShield cerfractory sealants and DuraFlex liner components when cap removal reveals deeper damage. We stock the common Bothell sizes — 13×13, 14×14, and the elongated chase covers for 1980s Heatilator and Majestic prefab units — so most replacements don’t leave you waiting through another rain cycle.
Common Chimney Cap & Crown Problems We See in Bothell Homes
- Rusted-out galvanized chase covers — Bothell’s position in the low-lying Sammamish River valley traps fog and moisture that corrodes galvanized steel caps 30–50% faster than in higher suburbs. We replace these with stainless steel or copper-finish models that handle the valley’s humidity.
- Spalled masonry crowns with eroded mortar — Downtown Bothell’s mid-century brick chimneys, especially near the river in 98011, show decades of moisture infiltration. The crown concrete crumbles, mortar joints wash out, and water enters the flue system every heavy rainfall from October through April.
- Cracked prefab refractory panels — The 25–35 year old zero-clearance fireplaces in Canyon Park and North Creek tract homes are aging into their failure window. We regularly find cracked or compromised refractory panels during cap removal and crown inspection, damage that went undetected because the homeowner assumed the leak was “just the cap.”
- Animal intrusion in chase enclosures — In Bothell’s greenbelt-adjacent North Creek subdivisions, the dense second-growth alder and Douglas fir canopy creates a wildlife corridor that makes raccoon and starling intrusion into chimney chase enclosures routine. We install multi-flue caps with animal-proof mesh and inspect for nesting debris that blocks draft and creates fire hazards.
Pricing for Chimney Cap & Crown in Bothell, WA
| Service | Typical Range in Bothell |
|---|---|
| Single-flue cap replacement (stainless) | $280–$480 |
| Multi-flue cap installation | $580–$890 |
| Crown coating (preventive) | $280–$450 |
| Crown repair (partial rebuild) | $420–$780 |
| Crown rebuild (severe deterioration) | $890–$1,400 |
| Chase cover replacement (prefab) | $520–$780 |
| Custom cap (fabricated) | $780+ |
Bothell pricing runs roughly 8–12% above national averages due to our wet-climate material requirements and the prevalence of multi-flue and custom-fit work on aging prefab units. What drives your specific cost: flue count and chase dimensions, accessibility (steep roof pitches common in Canyon Park add labor), whether crown or chase framing needs repair beneath the cap, and material grade. We don’t quote over the phone for crown work — we need eyes on the deterioration. Estimates are free, detailed, and valid for 30 days. Call (866) 541-8697 to schedule.
We Also Serve Cities Near Bothell
We handle cap and crown work across Bothell East, Bothell West, Kenmore, and Alderwood Manor — though Bothell’s specific moisture patterns and wildlife corridors differ from the more exposed, less wooded conditions in Kenmore to the south. If you’re in one of these neighboring communities and seeing similar symptoms, we apply the same diagnostic rigor; we’ll just adjust our material recommendations based on your home’s actual exposure and construction era.
Serving Bothell, WA — Our Local Coverage Area
We’re based in the Bothell 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 Cap & Crown in Bothell
Bothell chase covers rust faster because the city sits in the Sammamish River valley where fog and moisture pool more persistently than on surrounding Snohomish County ridgelines. That constant humidity accelerates galvanic corrosion on standard steel covers, while higher suburbs like Kenmore and parts of Alderwood Manor dry out faster between storms. We replace Bothell chase covers with stainless steel or copper-finish models rated for marine-adjacent humidity. Call (866) 541-8697 for an inspection — estimates are free.
Yes, wind-rated caps matter in Bothell because our fall and winter storms carry sustained 25–40 mph winds off the Puget Sound corridor, with gusts higher on exposed properties near I-405. Standard caps can lift or separate, driving rain directly into the flue; Famco and Gelco wind-rated models with reinforced baffles and secure fastening systems prevent this. We assess your home’s exposure during our free estimate and recommend accordingly.
Wildlife intrusion is notably common in Bothell, especially in the greenbelt-adjacent North Creek subdivisions where dense second-growth alder and Douglas fir create a continuous wildlife corridor. Raccoons and European starlings enter chase enclosures routinely here — far more than in open suburbs like Kenmore. We install animal-proof multi-flue caps with properly sized mesh and inspect for nesting debris during every cap service. If you’re hearing scratching or seeing twigs in your firebox, call (866) 541-8697 — we’ll check it same-day.
For a 30-year-old Majestic prefab in Bothell, we recommend a 304-grade stainless steel multi-flue cap with integrated wind baffles and animal mesh — Gelco or Famco depending on your chase dimensions. Majestic units from that era have elongated chase profiles and often degraded crown flashing that won’t support a standard single-flue cap. Stainless resists the valley’s moisture while the multi-flue design covers the full chase top, protecting the aging refractory panels we commonly find cracked beneath. We’ll measure your chase and confirm fit during our free estimate.
Most chimney crown repairs and replacements in Bothell do not require a permit if the work is limited to the crown surface and does not alter the chimney structure, height, or flue configuration. However, if we discover that the damage extends to the chimney structure itself — common on downtown Bothell’s mid-century masonry where decades of moisture have compromised brick courses — we may need to pull a permit through the City of Bothell. We handle permit determination as part of our assessment and include any required fees in your written estimate. Call (866) 541-8697 and we’ll clarify your specific situation during the free inspection.
We were called to a 1992-built tract home in the Canyon Park area off 180th St SE where a leaky, rusted-out chase cover on a Heatilator prefab fireplace allowed gallons of storm-driven rain to pool around the firebox, shorting the pilot and cracking the refractory. We installed a new Gelco multi-flue cap with wind-rated baffles and sealed the chase crown with a reinforced polymer coating to prevent future moisture ingress before the next atmospheric river event.
Bothell’s combination of aging prefab fireplaces, persistent valley moisture, and active wildlife corridors creates cap and crown challenges that demand more than generic solutions. James Wilson and our team bring 17 years of chimney-exclusive experience to every Bothell job — pattern recognition that comes only from working inside thousands of flues across the Puget Sound region. Whether you’ve got water in your firebox, animals in your chase, or a crown that’s crumbling after decades of rain, we’ll diagnose it honestly, price it upfront, and fix it with materials built to outlast our wet climate.
Ready to protect your chimney before the next storm? Call Horizon Chimney Sweep Washington at (866) 541-8697 for your free Bothell estimate.
Written by James Wilson, Owner at Horizon Chimney Sweep Washington, serving Bothell and the greater Seattle area since 2007.