Roof Moss & Algae Removal in Warwick, RI
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Cost Range
$288–$920
Local Pros
125 available
Overview
Remove moss, algae, and lichen growth from your roof to prevent moisture retention, shingle degradation, and premature roof failure. Common in humid climates and shaded areas.
Warwick Climate Considerations (cold)
- • Ice dam formation and water intrusion
- • Snow load exceeding capacity
- • Freeze-thaw cycling on flashing
Common Signs You Need Roof Moss & Algae Removal
- • Green moss patches on shingles
- • Black streaks across roof
- • Lichen growth on tiles
- • Shingles lifting from moss roots
- • Gutter filled with moss debris
Roof Moss & Algae Removal Cost in Warwick
Low
$288
Average
$604
High
$920
DIY vs. Call a Pro
Apply a 50/50 mix of water and bleach with a garden sprayer. Let it sit 15-20 minutes, then gently rinse with a garden hose. Never pressure wash — it damages shingles. Install zinc strips along the ridge to prevent regrowth.
Call a professional when:
Call a pro for severe growth that requires manual removal, for steep roofs, or if you want professional-grade preventive treatment.
Roofers in Warwick
Avalon Builders
New Bedford, MA
(508) 207-0668Corey Construction LLC
New Bedford, MA
(508) 564-0240Diversified Roofing Systems, Inc.
New Bedford, MA
(508) 999-6677Pinnacle Roofing & Skylights
Newport, RI
(401) 386-5292Founding Member
Premium spot in Warwick
Ambassador
Lead the Warwick community
Founding Member
Premium spot in Warwick
Warwick Housing Market
Median Household Income
$87,536
Median Home Value
$322,000
Median Rent
$1,299/mo
Homeownership Rate
73.4%
Population
82,871
Median Year Built
1961
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Roof Moss & Algae Removal
Date
April 2026
Cost
$604
Vendor
Your local pro
Warwick average: $288–$920
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Auto-Checkup Created
"Moss Check" — every 12 months
Property Health Score
Fair
roof category +5 pts(72 → 77)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Warwick
Recommended Maintenance Plan — Warwick, Rhode Island
Key Risks
- • Ice dam formation and water intrusion
- • Snow load exceeding capacity
- • Freeze-thaw cycling on flashing
- • Short but intense heat waves
- • Ice dams
Schedule
Visual inspection (DIY)(DIY)
Professional roof moss & algae removal
Estimated: $250–$800
Emergency inspection for damage
Estimated: $100–$300
Winterization and freeze protection(DIY)
Estimated: $150–$400
Warwick-Specific Tips
- • Proper attic ventilation prevents ice dams — ensure R-60 insulation
- • Impact-resistant shingles (Class 4) may qualify for insurance discounts
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Smith & Sons
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J&R Home Services
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Related Services in Warwick
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.
Gutter Installation & Repair
Install new gutters or repair existing gutter systems to properly channel rainwater away from your home's foundation, siding, and landscaping. Includes downspouts, hangers, and end caps.
Pressure Washing
Clean exterior surfaces including siding, driveways, walkways, decks, patios, fences, and gutters using high-pressure water. Removes dirt, mold, mildew, algae, and stains to restore surfaces and prepare them for painting or sealing.
Rhode Island Regulations
Building Code: IRC 2021 (SBC-2)
Seller Disclosure: Sellers must provide a Real Estate Condition Report or Disclaimer Statement.
Natural Disaster Risks: Hurricanes, Nor'easters, Flooding, Blizzards