Roof Moss & Algae Removal in Irvine, CA
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Cost Range
$273–$874
Local Pros
46 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.
Irvine Climate Considerations (hot dry)
- • UV degradation of sealants and coatings
- • Thermal cycling crack propagation
- • Flat roof ponding from rare heavy rain
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 Irvine
Low
$273
Average
$574
High
$874
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 Irvine
Long Beach Roofing, Inc.
Long Beach, CA
(562) 220-2300
California Coast Construction
Long Beach, CA
(562) 850-1722
Roof Titan
Long Beach, CA
(866) 671-8578
Done Right Roofing
Long Beach, CA
(562) 988-2131Founding Member
Premium spot in Irvine
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Lead the Irvine community
Founding Member
Premium spot in Irvine
Irvine Housing Market
Median Home Price
$1,698,000
Homes for Sale
121
Price per Sq Ft
$812
Local Pros
536
Home Service Professionals Near Irvine
Median Household Income
$129,647
Median Home Value
$1,115,400
Median Rent
$2,893/mo
Homeownership Rate
43.8%
Population
308,160
Median Year Built
2001
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Roof Moss & Algae Removal
Date
April 2026
Cost
$574
Vendor
Your local pro
Irvine average: $273–$874
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(66 → 71)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Irvine
Recommended Maintenance Plan — Irvine, California
Key Risks
- • UV degradation of sealants and coatings
- • Thermal cycling crack propagation
- • Flat roof ponding from rare heavy rain
- • Extreme heat (115°F+)
- • Overnight freezes at elevation
Schedule
Visual inspection (DIY)(DIY)
Professional roof moss & algae removal
Estimated: $250–$800
Irvine-Specific Tips
- • High UV exposure in Irvine shortens material life 15–20% vs northern states
- • Reflective/cool roof coatings can reduce cooling costs by 10–25%
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Smith & Sons
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J&R Home Services
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Related Services in Irvine
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.
California Regulations
Building Code: CBC 2022 (based on IRC 2021)
Seller Disclosure: California has among the most extensive disclosure requirements in the US. Sellers must complete a Transfer Disclosure Statement (TDS) plus Natural Hazard Disclosure (NHD).
Natural Disaster Risks: Earthquakes, Wildfires, Mudslides, Drought