Chimney Service in Montgomery County, MD
Montgomery County spans dense urban Bethesda and Silver Spring to rural Damascus and Poolesville. Eagle Chimney Service handles every chimney in between — premium relining in Potomac, crown rebuilds in Chevy Chase, and pre-fab inspections in Germantown.

Why Montgomery County Chimneys Need Specialized Service
Montgomery County spans a meaningful elevation and exposure gradient. Lower MoCo along the Potomac corridor sits in USDA hardiness zone 7a/7b with milder winters, humidity influence from the river, and frequent freeze-thaw cycles that work on older brick chimneys. Upper MoCo — Damascus, Poolesville, Clarksburg, and the rural northwest — climbs into hardiness zone 6b/7a with deeper freeze depth (28-32 inches), longer burning seasons, and more severe wind exposure that stresses chimney caps and flashing. The Potomac River corridor adds humidity that reactivates creosote odors in summer and accelerates biological growth on chimney masonry. Snow loads in upper Montgomery County during major nor'easters routinely damage caps and shrouds; the 2010, 2016, and 2022 storms left visible chimney damage across Damascus and Poolesville. Mid-county Rockville, Silver Spring, and Bethesda see roughly 35-45 freeze events per winter that drive spalling and joint failure on every older masonry chimney.
Common Chimney Issues in Montgomery County
Premium Chimney Restoration in Bethesda and Potomac
High-end Bethesda, Potomac, and Chevy Chase homes have architecturally significant chimneys where standard stainless relining would compromise visible character. HeatShield cerfractory restoration, copper cap installation, and concrete crown rebuilds with matched architectural detail are the work we do most across lower MoCo.
Stainless Relining in 1950s-80s Rockville and Silver Spring Brick Stacks
The dense 1950s-80s suburban expansion that built Rockville, Silver Spring, Aspen Hill, and Wheaton produced thousands of brick chimneys with clay tile liners now 40-70 years old. Level 2 video scans on annual inspections catch washed-out joints and cracked tiles consistently. UL 1777 stainless steel relining sized to the appliance is the standard remedy.
Heavy Wood-Stove Cleaning in Upper MoCo
Damascus, Poolesville, Olney, and the rural northwest Montgomery communities use wood stoves and pellet stoves heavily. Cool-burn operating habits and unseasoned hardwood produce glazed third-degree creosote that requires chemical pre-treat and PCR rotary chain removal.
Energy-Efficient Top-Sealing Damper Upgrades
Montgomery County homeowners — particularly in lower MoCo — focus heavily on energy efficiency. Original throat dampers leak conditioned air 24/7 even when closed. Lyemance and Lock-Top top-sealing damper upgrades pay back in 1-3 winters by sealing the chimney at the top instead of the throat.
Cities We Serve in Montgomery County
Chimney sweep, inspection, and repair across Montgomery County. Pick your city for neighborhood coverage and local chimney details.
Chimney Services in Montgomery County
The full Eagle Chimney Service catalog — available throughout Montgomery County with same-week scheduling. Every job starts with a free estimate — see what affects the cost in our chimney cost guide.
Chimney Sweep & Cleaning
Professional industry-standard chimney sweep and creosote removal across Maryland. Brushes, dual HEPA vacuums, drop cloths, and a complimentary video inspection on every clean.
Free estimate
Chimney Inspection (Levels 1, 2 & 3)
NFPA 211 Level 1, 2, and 3 chimney inspections with high-resolution video flue scans, written reports, and code compliance for real estate transactions, insurance claims, and post-event diagnostics.
Free estimate
Chimney Cap Installation
Stainless steel, copper, and multi-flue chimney caps with integrated animal guards and spark arrestors. Manufacturer warranty registered in your name, professional install on every flue.
Free estimate
Chimney Crown Repair & Rebuild
Chimney crown sealing, CrownCoat overlays, and full crown rebuilds with proper overhang and drip edge — the single most important repair for stopping chimney water damage at its source.
Free estimate
Chimney Waterproofing
ChimneySaver vapor-permeable masonry waterproofing — 10-year warranty. Stops freeze-thaw spalling without trapping water in the brick. Never use silicone sealers on a chimney.
Free estimate
Chimney Relining (Stainless Steel & Cast-in-Place)
UL-listed stainless steel liner systems, HeatShield ceramic relining, and Supaflu cast-in-place liners for wood, gas, and oil. Required by code when tile liners crack, gap, or fail.
Free estimate
Chimney Masonry Repair & Rebuilding
Tuckpointing, brick replacement, partial rebuilds above the roofline, and full rebuilds from the firebox up. Expert masons who match historic brick and mortar for landmark homes.
Free estimate
Chimney Flashing & Leak Repair
Step flashing, counter flashing, ice and water shield, and cricket installs. Root-cause leak diagnosis — not tar patches that fail in two seasons.
Free estimate
Fireplace Installation & Service
Gas inserts (vented and ventless), wood-burning inserts, pellet stoves, EPA-certified appliances, wood-to-gas conversions, glass door installs, and hearth refresh.
Free estimate
Damper Repair & Installation
Top-sealing dampers (Lyemance, Lock-Top) seal far tighter than throat dampers and cut the heat lost up the flue. Plus throat damper rebuilds, cable replacement, and full replacements when seizure ends the lifespan.
Free estimate
Commercial Chimney Services
Boiler stacks, restaurant exhaust (Type I hoods, NFPA 96), apartment building flues, dryer-vent systems, and code-violation correction for property managers, restaurateurs, and facility operators.
Free estimate
HeatShield® Cerfractory Chimney Relining
HeatShield® cerfractory flue sealant — a code-listed alternative to stainless relining that restores cracked clay tile liners from inside the existing flue. Call (855) 424-6217 for a Maryland HeatShield assessment.
Free estimate
ChimneySaver® Waterproofing Application
ChimneySaver® vapor-permeable waterproofing — the chimney industry's standard for stopping water entry through brick faces and mortar joints. Backed by a 10-year manufacturer warranty. Call (855) 424-6217.
Free estimate
Chimney Insurance Claim Inspection & Repair
Insurance-grade chimney inspection, scope-of-loss documentation, and code-compliant repair coordination for storm, fire, lightning, and impact damage claims in Maryland. Call (855) 424-6217.
Free estimate
Chimney Leak Detection & Diagnostic
Chimney leak diagnostic that finds the real entry point — crown, cap, flashing, masonry, or condensation — before any repair is quoted. Call (855) 424-6217 for a Maryland chimney leak diagnostic.
Free estimate
NFPA 211 Level 1 Chimney Inspection
Annual NFPA 211 Level 1 chimney inspection — the maintenance baseline required for every active chimney in Maryland. Bundled with every sweep. Call (855) 424-6217.
Free estimate
NFPA 211 Level 2 Chimney Inspection (Real Estate & Post-Event)
NFPA 211 Level 2 chimney inspection with full video flue scan — required for real estate transactions, fuel conversions, and post-event evaluation. Call (855) 424-6217.
Free estimate
Dryer Vent Cleaning & Inspection
Dryer vent cleaning and inspection — clogged dryer vents cause an estimated 2,900 home fires annually nationwide. Call (855) 424-6217.
Free estimate
Wood Stove Installation (EPA-Certified)
EPA-certified wood stove installation across Maryland — Vermont Castings, Lopi, Jotul, Quadra-Fire, Hearthstone. Code-compliant venting, hearth construction, and permit coordination. Call (855) 424-6217.
Free estimate
Wood-to-Gas Fireplace Conversion
Wood-to-gas fireplace conversion across Maryland — direct-vent gas inserts, vented gas log sets, and ventless options. Code-compliant liner sizing, gas line connection, and permit coordination. Call (855) 424-6217.
Free estimate
Chimney Animal Removal & Damage Repair
Humane chimney animal removal, nest extraction, flue sanitization, and damage repair — including cap installation to prevent re-entry. Call (855) 424-6217 for Maryland chimney animal service.
Free estimate
Why Montgomery County Homeowners Choose Eagle Chimney Service
Our trucks carry the full restoration inventory MoCo chimneys need: HeatShield product line for Bethesda and Potomac historic homes, 304 and 316Ti stainless liner systems for Rockville and Silver Spring brick stacks, ChimneySaver waterproofing, copper and powder-coated stainless cap inventory, and the rotary chain equipment for glazed creosote across upper-county wood-stove homes. Yaniv personally walks premium jobs in Bethesda, Potomac, and Chevy Chase before quote and after completion.

Personal Inspection Guarantee
Yaniv walks every premium Montgomery County job
On every crown rebuild, full relining, and historic-chimney restoration in Montgomery County, owner Yaniv Asayag personally inspects the site before quote and after completion. Hands-on Maryland chimney work since 2012— you get the owner's eyes on the job, not just a crew.
Frequently Asked Questions
Quick answers to common chimney questions.
The price depends on how much of the chimney has to be rebuilt, its height and roof access, how many flues need relining, and the condition of the brick and mortar. We provide written quotes with photo documentation of the underlying condition. The estimate is free, and no work begins without your approval.
Yes. We coordinate Montgomery County DPS building, mechanical, and gas permits for wood stove, pellet stove, and gas insert installations across MoCo, including the final inspection. Permitting in Montgomery County is consistent and well-documented; we have the process dialed in.
Yes. We service every MoCo address including upper-county Damascus, Poolesville, Clarksburg, Boyds, and Dickerson. We schedule upper-county work in batches to maintain efficiency, and we are the right choice for serious wood-stove and pellet-stove maintenance in this part of the county.
All of them. We service every Montgomery County ZIP from inner-Beltway Takoma Park 20912 through Bethesda 20814-20817, Silver Spring 20901-20910, Rockville 20850-20853, Gaithersburg 20877-20879, Germantown 20874-20876, and the upper-county communities. Same-week scheduling available countywide.
Need Chimney Service in Montgomery County?
Serving Montgomery County with a 24/7 emergency line. Licensed, insured, and NFPA 211 compliant.