Chimney Repair in Maryland, DC & Northern Virginia
EXCELLENT
Based on 274 reviews
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Kevin MTrustindex verifies that the original source of the review is Google.
Very professional, great communication. Will use them every year.Posted on Google![]()
Andrew MercerTrustindex verifies that the original source of the review is Google.
Excellent service! Arrived on time. Explained everything and offered options to take care of what we needed. Will use again.Posted on Google![]()
Monica ButtaTrustindex verifies that the original source of the review is Google.
Very pleasant and quick service! Sean was fantastic!Posted on Google![]()
Christopher TangTrustindex verifies that the original source of the review is Google.
Very fast and Sean was polite and professional.Posted on Google![]()
Tim FellowTrustindex verifies that the original source of the review is Google.
Fantastic service! Would recommend to neighbors for service and competitive pricing.Posted on Google![]()
Maria PerezTrustindex verifies that the original source of the review is Google.
Reasonable price. And Very goodPosted on Google![]()
Becky WildTrustindex verifies that the original source of the review is Google.
Great work. Done quickly.Posted on Google![]()
Kerrie RushtonTrustindex verifies that the original source of the review is Google.
Amazing service!! Arrived and worked quickly. Thank you!
Repair Chimney Damage Before It Gets Worse
Chimneys are exposed to changing weather conditions throughout the year. Over time, cracks, deteriorating mortar, damaged crowns, flashing issues, and other visible concerns can develop.
LST Cleanflow provides professional chimney repair services to assess accessible areas and identify visible signs of damage. We explain the areas that need attention and discuss appropriate repair options before work begins.
- Chimney Crown Repairs
- Mortar Joint Repairs
- Visible Crack Repairs
- Chimney Cap Repairs
- Flashing Repairs
- Visible Damage Assessment




Service & pricing
Flat rates for air duct, dryer vent, and chimney services across Maryland, DC, and Northern Virginia — no surprises, no hidden fees.
Gas fireplace
inspection
Chimney
inspection
Dryer vent
cleaning
Air duct
cleaning
Combo package
Air duct cleaning and dryer vent cleaning together in one visit.

Chimney damage can develop gradually as masonry, mortar, crowns, caps, and flashing are exposed to moisture and changing weather conditions. LST Cleanflow provides professional chimney repair services for visible areas that show signs of cracking, deterioration, or other damage.
Our team assesses accessible areas, explains the condition we find, and discusses the repair work that may be appropriate. Addressing visible concerns in a timely manner can help maintain the condition of the chimney and reduce the potential for further deterioration.
Why Timely Chimney Repairs Matter
Small cracks, damaged mortar, and other chimney issues can develop gradually and become more noticeable as they’re exposed to the weather. Water can also enter through damaged areas, worsening deterioration.
LST Cleanflow recommends addressing visible chimney damage early to help maintain the chimney’s condition and reduce the chance of a minor maintenance issue becoming more extensive.
- Addresses Visible Cracks & Damage
- Helps Maintain Mortar Joints
- Helps Protect Against Water Entry
- Supports Proper Chimney Maintenance
- Identifies Areas That May Need Attention
For Further Inquiries Call
Noticed cracks, water stains, or crumbling bricks around your chimney? Contact LST Cleanflow to discuss the condition of your chimney and available repair services.
Professional Chimney Repair & Quality Work
LST Cleanflow provides professional chimney repair services with a focus on careful assessment, clear communication, and attention to visible areas of damage. We explain the condition of the chimney and discuss the repair work that may be appropriate based on the areas assessed.

What to Expect From Chimney Repair Service
Our chimney repair process includes assessment of accessible areas, clear recommendations, discussion of repair options, and careful attention to the identified areas of damage.
We inspect accessible areas of the chimney to identify visible cracks, damaged mortar, water-related concerns, or other signs of deterioration before recommending repairs.
We assess accessible areas to identify visible signs of deterioration and determine what may be contributing to the reported issue. Based on the condition observed, we explain the repair options that may be appropriate.
The materials used depend on the type and location of the repair. We select materials appropriate to the identified repair needs and discuss the work with you before repairs begin.
Depending on the condition and accessibility, chimney repair services may address areas such as mortar joints, visible cracks, chimney crowns, caps, flashing, and other accessible components requiring attention.
QUESTIONS & ANSWERS
Frequently Asked Questions
Find quick answers to common questions about our chimney repair services, process, and appointments.
Common signs may include cracked or crumbling masonry, deteriorating mortar, water stains, a damaged chimney crown or cap, white staining known as efflorescence, or other visible signs of deterioration.
Chimney repair costs vary depending on the type, location, extent, and accessibility of the damage. LST Cleanflow can assess the accessible areas and discuss the repair needs before work begins.
Damage to chimney masonry, mortar, crowns, caps, or flashing can allow moisture to reach areas that should remain protected. Addressing visible damage can help maintain the condition of the chimney and surrounding areas.
Repair needs vary depending on the chimney and the area affected. We assess accessible areas and can discuss whether the reported issue is within the scope of the repair services we provide.
Any Questions? Ask Us!!