Chimney Flashing Repair in Lanham, MD
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Cost Range
$340–$1,275
Local Pros
151 available
Overview
Repair or replace the layered flashing system where your chimney meets the roof. Chimney flashing is especially vulnerable to leaks due to the large penetration size and differential movement between chimney and roof structure.
Lanham Climate Considerations (mixed humid)
- • Hail damage to shingles
- • Ice dam formation in cold snaps
- • Gutter detachment from ice weight
Common Signs You Need Chimney Flashing Repair
- • Water stains on ceiling near chimney
- • Efflorescence on chimney brick
- • Damaged mortar at roofline
- • Visible rust on flashing
- • Musty smell near fireplace
Chimney Flashing Repair Cost in Lanham
Low
$340
Average
$808
High
$1,275
When to Call a Professional
Call a professional when:
Chimney flashing involves both roofing and masonry work. Improper installation causes the most persistent and damaging roof leaks. Always hire a specialist.
Roofers in Lanham
Impact Roofing & Construction
Alexandria, VA
(571) 583-4566Harry Frazier Jr Roofing & Sheet Metal LLC
Alexandria, VA
(703) 519-3520
District Roofing
Arlington, VA
(888) 808-0010Insured Roofs - Arlington Branch
Alexandria, VA
(703) 828-7462Founding Member
Premium spot in Lanham
Ambassador
Lead the Lanham community
Founding Member
Premium spot in Lanham
Lanham Housing Market
Median Home Price
$459,999
Homes for Sale
14
Price per Sq Ft
$234
Local Pros
600
Home Service Professionals Near Lanham
Median Household Income
$95,488
Median Home Value
$413,800
Median Rent
$2,132/mo
Homeownership Rate
76.8%
Population
11,956
Median Year Built
1969
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
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Chimney Flashing Repair
Date
April 2026
Cost
$808
Vendor
Your local pro
Warranty
15-year material warranty
Lanham average: $340–$1,275
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
15-year material warranty
Auto-Checkup Created
"Chimney & Flashing Check" — every 12 months
Property Health Score
Good
roof category +12 pts(69 → 81)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Lanham
Recommended Maintenance Plan — Lanham, Maryland
Key Risks
- • Hail damage to shingles
- • Ice dam formation in cold snaps
- • Gutter detachment from ice weight
- • High heat & humidity spells
- • Ice storms
Schedule
Visual inspection (DIY)(DIY)
Professional chimney flashing repair
Estimated: $400–$1500
Emergency inspection for damage
Estimated: $100–$300
Plan for full replacement
Estimated: $1,200–$4,500
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Related Services in Lanham
Roof Leak Repair
Locate and repair roof leaks to prevent water damage, mold growth, and structural deterioration. Repairs may involve patching damaged shingles, sealing flashing, or replacing underlayment.
Roof Inspection
Professional assessment of your roof's condition, identifying current damage and potential issues before they become costly repairs. Includes inspection of shingles, flashing, vents, gutters, and attic ventilation.
Roof Flashing Repair
Repair or replace the metal flashing that seals joints and transitions on your roof — around chimneys, vents, skylights, and where roof planes meet walls. Failed flashing is one of the most common causes of roof leaks.
Maryland Regulations
Building Code: IRC 2021
Seller Disclosure: Sellers must complete a Residential Property Condition Disclosure and Disclaimer Statement.
Natural Disaster Risks: Hurricanes, Flooding, Nor'easters