Level 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.
Olympia Chimney Chimney Repair in San Mateo: What to Know First
We provide independent Olympia Chimney chimney repair in San Mateo, typically scheduling within a week and completing most jobs in a single day. Every repair starts with a camera-scan inspection and ends with a written price you saw before work began, a photo record of what was done, and our 365-Day Done Right Promise. This page is for homeowners who installed an Olympia Chimney liner, cap, or component and now need mortar repointing, spalling brick repair, waterproofing, flashing work, or structural rebuilding - and want to know exactly what failed, why, and what it will cost before anyone touches a trowel. Call (650) 600-3117 for a free estimate.
How Olympia Chimney Products Fail - and How We Fix Them
- Olympia Chimney 316Ti flexible liners in San Mateo’s salt air. The titanium-stabilized stainless holds up well to creosote, but we’ve found the outer wall can develop pinpoint corrosion where the liner meets a deteriorating crown in homes within a mile of the bay, particularly in Baywood and the flats near Seal Point. We camera-scan the full length, mark the compromised sections, and splice in matching gauge 316Ti or transition to a rigid liner if the flue run allows.
- Olympia Chimney Gelco-style caps with failed mesh. The 5/8-inch spark arrestor mesh on older Olympia caps fatigues at the weld points after seven to ten years of thermal cycling. Squirrels in San Mateo’s mature tree canopy, especially around Central Park and the Aragon neighborhood, exploit the gap. We source OEM mesh sections through Haven’s buying network or fabricate a heavier-gauge replacement that maintains the cap’s UL listing.
- Olympia Chimney poured-in-place smoke chamber repairs using HeatShield. When the original Olympia liner installation included a smoke chamber reduction, the ceramic coating can delaminate if the underlying brick was damp during application - common in San Mateo homes with roof leaks that went unaddressed. We remove the failed coating to sound substrate, dry the chamber with controlled heat, and reapply to manufacturer’s spec.
- Olympia Chimney top-sealing dampers with seized mechanisms. The cast-aluminum throat dampers sold under the Olympia brand through the 2010s accumulate creosote on the silicone seal, especially with marginal firewood (oak and eucalyptus are common locally). The motor or chain drive binds. We disassemble, clean the track and seal, and replace the actuator if the gearbox is stripped - or recommend a lock-top damper if the throat is too damaged.
- Olympia Chimney crown wash over soft brick. Olympia’s poured concrete crowns are sound, but they’re often installed over common brick that spalls in San Mateo’s winter wet-freeze cycles. The crown lifts, cracks, and channels water into the wall. We remove the crown, repoint or replace spalled brick, and recast with a drip edge and expansion joint - not a superficial slurry coat.
Our Olympia Chimney Chimney Repair Process

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Schedule and arrival. You call (650) 600-3117, speak to a live person, and get a window. Your tech texts when en route. Background-checked, uniformed, license number visible.
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NFPA 211 Level 2 inspection. Camera down the flue, photos of the crown, crown wash, flashing, and exterior masonry. Corrine Halstead reviews the footage with you on-site - “The camera doesn’t guess. Neither do we.”
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Written scope and price. Before any work, you receive a written price, written scope, and written warranty. Haven Standard Clause 1: have it in writing. No exceptions.
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Parts decision. We source Olympia Chimney OEM components through our buying network when available and appropriate. When OEM is back-ordered or discontinued, we specify quality aftermarket from DuraFlex, HeatShield, or Gelco - never generic - and note the substitution in writing.
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Repair and test. We complete the repair, run a combustion spillage test if the system is operational, and photograph the finished work.
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Documentation and close. You receive the photo record (Haven Standard Clause 4), the final invoice matching the written price, and the 365-Day Done Right Promise. Payment only after you’re satisfied.
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AfterWhat Olympia Chimney Chimney Repair Costs in San Mateo
| Repair Type | Typical Range | What Moves the Price |
|---|---|---|
| Mortar repointing (tuckpointing), up to 30 sq ft | $890 - $1,450 | Scaffolding needs, mortar color match, access height |
| Spalling brick replacement, localized | $340 - $780 per area | Brick salvage vs. new match, lintel condition |
| Crown repair or rebuild | $1,200 - $2,400 | Full removal vs. overlay, stainless cap integration |
| Flashing repair (step or counter) | $560 - $1,100 | Roof pitch, chimney width, cricket fabrication |
| Chimney waterproofing (silane/siloxane) | $680 - $1,200 | Surface area, prep (moss removal, efflorescence treatment) |
| Partial rebuild (above roofline) | $3,800 - $7,500 | Linear feet, liner extraction and reinstallation, scaffolding |
These are San Mateo market ranges for Olympia Chimney-compatible work. Your exact price comes after inspection, never before. Call (650) 600-3117 for a free estimate - we’ll match or beat any written competitor quote under our Free Second Opinion policy.
Why San Mateo Homeowners Call Level Two Chimney San Mateo for Olympia Chimney Work

We’ve completed more than 38,000 chimney inspections and cleanings since 2009, every one with a written price first and a documented record after. The 365-Day Done Right Promise means if our repointing cracks or our flashing leaks, we return and make it right - no invoice, no argument. Our techs know Olympia Chimney’s product lines because we stock and service them alongside DuraFlex, HeatShield, and Gelco components. When an Olympia part is discontinued or delayed, we have verified alternates ready, sourced through Haven’s buying network to keep pricing honest. San Mateo’s mix of 1920s masonry, mid-century brick, and newer inserts demands a crew that reads a flue the way a good mechanic reads an engine - and explains it plainly before quoting. That’s what we do.
FAQs
No, provided the repair is performed with Olympia Chimney OEM or equivalent-specification materials and documented. As an independent Olympia Chimney service provider, we are not affiliated with the manufacturer, but we follow their installation specifications and note parts provenance in our written record. If warranty coverage is a concern, we can source factory-direct components through our buying network. Call (650) 600-3117 to discuss your specific liner model and remaining coverage.
Most common Olympia Chimney caps, dampers, and liner sections arrive within three to five business days through our distributor network. Specialty items - certain 316Ti flex lengths or custom spark arrestor mesh - can run ten to fourteen days. We stock standard diameters of DuraFlex and Gelco alternates for urgent cases, and we’ll tell you before ordering whether OEM or aftermarket makes more sense for your timeline and budget. Call for current availability.
Replace when the liner has multiple perforations, the crown is structurally failed, or repair costs exceed 60 percent of replacement. Repair when the failure is localized - a cracked cap, failed flashing, or spalled brick in one course - and the surrounding system is sound. We make this recommendation only after camera inspection, and we show you the footage so you can see what we see. Our written price covers both options when both are viable.
NFPA 211 recommends annual inspection for all chimney systems, including Olympia Chimney installations. In San Mateo, we find that homes burning more than three cords of wood annually, or those with older masonry in Baywood or the hills near Crystal Springs, often need attention every eight to ten months due to accelerated creosote buildup or moisture intrusion. An inspection is not a sales visit - if your system is sound, we say so and schedule next year.
Delayed mortar repointing lets water penetrate the wall, leading to liner deterioration, interior drywall damage, and eventually partial collapse. A failed crown or flashing channels water directly onto the firebox and smoke chamber. The specific risk is not theoretical: in San Mateo’s wet winters, we’ve documented complete liner failure within eighteen months of initial crack appearance in unaddressed crowns. Carbon monoxide spillage and chimney fire risk increase with liner compromise. We prioritize repairs by hazard level, and we’ll tell you plainly when a problem can wait a season versus when it should not.
Written by Corrine Halstead, Owner, Level Two Chimney San Mateo at Level Two Chimney San Mateo, serving San Mateo and nearby areas.





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