Home/Services/Annual Roof Maintenance
Annual Roof Maintenance — Greater Seattle Metro
Moss and algae don't pause between seasons — and neither should your roof maintenance. Our annual plan schedules 1–2 professional soft-wash treatments per year with comprehensive inspections, keeping your roof clean, treated, and documented throughout its lifespan.
Get an instant estimate. No emails required, no salespeople.
Data-driven algorithmic pricing estimate
Select all that apply — gutters on the next step.
Roofing
1–2 Cleanings Per Year
Scheduled before peak moss-growth and debris seasons so your roof stays clean year-round.
Moss & Algae Treatment
Full soft-wash treatment applied at each visit — kills active growth and slows future regrowth.
Debris Clearing
Roof surface, all valleys, and gutter entries cleared at every scheduled visit.
Comprehensive Inspection
Written condition report covering shingles, flashings, ridgeline, and visible deck at each visit.
Preventive Treatment
Anti-growth solution reapplied after each cleaning to maximize the interval between treatments.
Priority Scheduling
Annual members are scheduled before one-time service calls — your roof never waits in queue.
Annual Roof Maintenance — Greater Seattle Metro
Annual roof maintenance is the most cost-effective way to protect a roofing investment in the Seattle Metro. Moss and algae don't take a season off — in communities like Woodinville, Sammamish, Kirkland, Bothell, and Kenmore, where heavy tree canopy and persistent moisture create near-ideal growth conditions, roofs can develop significant moss colonies within a single wet season if untreated. Annual professional cleaning and preventive treatment interrupts that growth cycle before moss roots begin lifting shingle tabs and algae degrades granule bonding across field shingles.
We serve annual roof maintenance members throughout the region — Bellevue, Redmond, Renton, Issaquah, Newcastle, Shoreline, Lynnwood, Mukilteo, Edmonds, Everett, Mill Creek, Snohomish, Monroe, Lake Stevens, Marysville, and beyond. Each plan includes 1–2 scheduled visits per year timed around PNW moss-growth and debris seasons, full soft-wash treatment, comprehensive written inspection reports, and priority scheduling before one-time service clients. Members aren't competing for calendar spots during the busy pre-storm season.
The written condition reports we provide at every annual visit build a documented maintenance history over time — a record that's increasingly valuable to buyers in the Greater Seattle Metro real estate market. Consistent professional maintenance also keeps most manufacturers' warranty provisions valid, protecting your coverage if a material defect develops during the shingle's rated lifespan.
Annual members benefit from the same professional soft-wash roof cleaning process on a confirmed schedule — without managing timing around PNW moss seasons. If inspections surface active damage, we also provide professional roof repairs to address issues before they escalate, and honest assessments of when a full roof replacement becomes the more cost-effective path. Our Home Care Program extends this coverage to your gutter system as well — combining both into a single annual plan. Homeowners not ready for a recurring commitment can start with a one-time roof cleaning, and flexible financing is available for larger roofing projects.
What's Included
Every element of the annual plan is designed around the specific maintenance demands of Pacific Northwest roofs — calibrated to PNW moss growth patterns and seasonal debris cycles.
Full soft-wash treatments applied at each scheduled visit — killing active moss and algae at the root and clearing debris from all surfaces, valleys, and gutter entries. Scheduled before peak moss-growth and debris seasons so your roof stays clean year-round.
Anti-moss and anti-algae solution reapplied after each cleaning to maximize the treatment interval and prevent rapid regrowth. In the Seattle Metro's persistent moisture environment, this step meaningfully extends how long your roof stays clean between professional visits.
A comprehensive written condition report after each visit — covering shingles, flashings, ridgeline, pipe boots, and visible deck. Your maintenance record grows with every visit, creating documented proof that your roof has been properly maintained over its lifespan.
Seattle Metro
Scheduled professional maintenance programs for roofs in Bellevue, Everett, Kirkland, Renton, Lynnwood, Bothell, and across the region — keeping moss and algae from shortening your roof's lifespan.
Annual members are scheduled before one-time service calls — meaning your fall and spring visits are confirmed first, before our calendar fills with one-time client requests. No waiting during the busy pre-storm season in Bellevue, Kirkland, and Bothell.
Annual treatments catch moss at the early growth stage — before roots penetrate beneath shingle tabs and begin lifting them. Early-stage moss is far easier to treat than mature colonies that have established root systems and begun trapping moisture.
Black streak algae (Gloeocapsa magma) spreads across roof surfaces quickly in the Seattle Metro's humidity. Annual treatments keep algae population levels low — preventing the aesthetic deterioration and granule degradation that untreated algae causes over time.
Each annual visit includes a written condition assessment of your shingles, flashings, and visible structure. Issues caught early — a lifted shingle, a cracking pipe boot, a failing flashing — are far less expensive to address than the interior water damage they eventually cause.
Roofs maintained with regular professional cleaning and preventive treatment consistently outlast neglected roofs of the same material and age. In the Seattle Metro's moss-promoting climate, consistent maintenance is the single most effective way to reach your shingles' rated lifespan.
Your annual maintenance record is a real asset when selling your home in Shoreline, Edmonds, Lynnwood, or anywhere in the metro. Written reports from every visit provide buyers and inspectors with concrete evidence of consistent professional care.
Built for the PNW
Annual maintenance schedules in the Seattle Metro are timed around PNW moss-growth peaks and debris seasons — not a generic national maintenance calendar. Our treatments and visit timing are calibrated to the specific climate conditions that affect roofs in our region.
Licensed & Insured
As a licensed and insured roofing company serving homes across the Greater Seattle Metro, we deliver annual maintenance plans with the same attention to detail as our structural work — consistent visits, written reporting, and the priority scheduling that makes the plan worth having.
Enroll in Annual Roof Maintenance
Annual roof maintenance is how Pacific Northwest homeowners extend the life of a roofing system from its warranted lifespan to something materially longer — and avoid the expensive surprise repairs that come from years of unmonitored moss growth, ignored flashing gaps, and debris accumulation in low-slope valleys. In the Seattle Metro, where mild wet winters create near-ideal moss growing conditions and windstorms regularly deposit debris against pipe boots and valley flashings, a roof that goes three to five years without professional inspection tends to accumulate small problems that compound into large ones. Homes in Woodinville, Sammamish, Bothell, and Kenmore with heavy tree canopy are especially vulnerable.
Our annual roof maintenance program covers a comprehensive 20-point inspection of your full roof system every year — shingle condition, flashing integrity at all penetrations and wall intersections, pipe boot condition, valley cleanliness, ridge cap alignment, and moss or algae growth assessment — along with minor repairs and touch-ups included in the visit, moss treatment reapplication on the appropriate schedule, and a written inspection report documenting current condition and any items to watch. We serve enrolled clients throughout King County and Snohomish County, including Bellevue, Redmond, Kirkland, Renton, Issaquah, Mercer Island, Shoreline, Lynnwood, Edmonds, Everett, Marysville, Monroe, and Lake Stevens.
Homeowners enrolled in annual maintenance also receive priority scheduling for repair response when storm events cause damage — a material benefit during fall and winter storm seasons when repair schedules fill quickly across the Greater Seattle Metro. Many homeowners find that the maintenance program pays for itself within the first few years by catching small repairs before they become major ones. Use the calculator below to get your annual maintenance program estimate, and reach out to set up your first inspection. We're taking new enrolled clients throughout King and Snohomish County.