Chimney Waterproofing cost · Bellevue & the Eastside, WA
$285–$795
What we charge for chimney waterproofing.
Elsewhere on the Eastside it typically runs $200–$500. Market rates observed on the Eastside (King County, WA), surveyed September 23, 2026 — not our quote.
We charge $285–$795 for chimney waterproofing in Bellevue and the Eastside. Breathable sealer — reapplied every 3–5 years in this climate. The exact figure is set in writing after the $99 plus tax inspection, credited toward an approved quote, and you approve it before any work starts.
What the price includes
What we charge for each service. Chimney Waterproofing is highlighted.
| Service | What we charge | Typical Eastside price | When you need it |
|---|---|---|---|
| Chimney Sweep | $189–$449 | $149–$279.95 | Annual maintenance, or you burn regularly and it has been a year |
| Chimney Inspection | $99 plus tax | $99.95–$450 | Buying or selling a house, after a chimney fire, or before a new appliance |
| Chimney Relining | From $1,895 | no Eastside data published | Cracked clay liner, an unlined chimney, or fitting a stove or insert |
| Chimney Repair | From $425 | $123–$3,000 | Cracked bricks, open mortar joints, a leaning or spalling stack |
| Chimney Cap Installation | $235–$845 | $199.95–$350 | Missing or rusted cap, rain or animals getting into the flue |
| Masonry Repair (Crown / Repointing) | From $475 | $550–$3,000 | Cracked or crumbling crown, failing mortar joints across the stack |
| Chimney Waterproofing | $285–$795 | $200–$500 | White staining on the brick, or damp showing inside |
| Chimney Flashing Repair | $329–$1,495 | $400–$800 | Water stains on the ceiling around the chimney |
| Gas Fireplace Service | $169–$475 | $150–$275 | Annual service, or the unit will not light or stay lit |
| Creosote Removal | From $245 | $300–$600 | Several seasons since the last sweep, or a hard glaze in the flue |
| Dryer Vent Cleaning | $105–$295 | $89–$225 | Clothes need two cycles, or it has been over a year |
| Air Duct Cleaning | From $525 | $365–$2,020 | After a renovation, or after water damage |
Market rates observed on the Eastside (King County, WA), surveyed September 23, 2026 — not our quote. Sources: Emerald City Chimney (Kirkland) — Prices, HomeBlue — Air Duct Cleaning Cost in Seattle, HomeBlue — Chimney Sweep Cost in Seattle, Mad Hatter Chimney Sweep — Chimney Cap Installation Seattle, Mad Hatter Chimney Sweep — Chimney Repair Seattle, Mad Hatter Chimney Sweep — Chimney Sweep Cost Seattle, Mad Hatter Chimney Sweep — Chimney Waterproofing Seattle, StarDucts — Typical dryer vent cleaning cost in Seattle, homeyou — Air Duct Cleaning in Seattle, homeyou — Chimney Repair in Seattle.
Published by others — not our quote
Figures published by other companies and cost guides, local first, national for context. Not our quote.
$200–$500 per chimney
Seattle/Eastside · Not our quote
'For $200–500' water repellent treatment; reapplication suggested every 5–7 years.
$150–$500 per chimney
US national · Not our quote
'Sealing a chimney costs between $150 and $500'.
Every figure below is published by a third party. Not our quote.
A typical job, at our prices
A job at the bottom of our listed price for chimney waterproofing — yours is set in writing after the inspection.
| Step | Cost |
|---|---|
| On-site inspectionPaid at the visit, credited toward the quote once you approve it | $99 |
| The chimney waterproofing itselfBalance due after the inspection credit | $186 |
The total came to $285 before sales tax — our listed starting price for chimney waterproofing, with the inspection counted inside it, not on top.
Published figures, not our quote: Mad Hatter Chimney Sweep — Chimney Waterproofing Seattle: $200–$500 per chimney (Seattle/Eastside, accessed 2026-09-23); Fixr — Chimney repair cost (sealing): $150–$500 per chimney (US national, accessed 2026-09-23). Not our quote — what we charge is shown at the top of this page.
NFPA 211 (Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances) states that chimneys, fireplaces and vents shall be inspected at least once a year for soundness, freedom from deposits and correct clearances.
Common questions
The exact price for your chimney is set on site, in writing, after the $99 plus tax inspection. Our FAQ covers booking, the inspection and where we work.
Book your inspection — $99 plus tax on-site inspection, credited toward an approved quote.
Book your $99 inspection
Pick a real open slot on our crew's calendar — takes about a minute.
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