Moss Removal & Roof Cleaning
Soft wash moss and algae removal built to protect the shingle, not strip it.
Learn about Moss Removal & Roof Cleaning13 miles northwest
Roofing Help for Kenmore Homeowners
A lakefront city with 1970s-1990s housing stock and a short, busy reroof season.
Local Roofing for Kenmore, WA
Kenmore sits about 13 miles northwest of downtown Bellevue, where Lake Washington's north end meets the Sammamish River. Reaching it from Bellevue means running the arterial corridor up around the lake rather than a straight shot, which keeps this city its own service radius.
Around Kenmore
- Log Boom Park
- Saint Edward State Park
- Bastyr University
- Kenmore Air Harbor
- St. Edward Seminary building
Local Zip Codes for Kenmore
- 98028
Kenmore at a glance
- Distance
- about 13 miles northwest of downtown Bellevue
- Population
- about 24,000
- Housing stock
- mostly 1970s-1990s single-family homes, with about a quarter of housing built after 2000
- Water nearby
- Lake Washington, Sammamish River
- Nearby
- Kenmore Air, Bastyr University
- Moss Growth
- Shaded, north-facing sections of a roof hold moisture far longer between rains than sections that get open sun, which is exactly why moss takes hold there first.
- Permit Rule
- A recover job may skip a permit while a full tear-off often needs one, and the dividing line comes down to weight and decking condition.
Roof Conditions
Why Roofs Wear Here
Wet-season duration, shade, and age drive most roof failures more than any single storm ever could.
What the Build Year Tells You
A stain on a ceiling is almost never directly under the hole. Water runs along a rafter until something stops it, so in Kenmore the entry point is often several feet uphill of the mark, and finding it is most of the work.
Living Close to the Water
Being close to Lake Washington and Sammamish River changes the whole picture. Standing water in gutters, blocked downspouts and a fascia that never dries are the things worth checking first on these properties, before anybody goes up on the roof at all.
What the Climate Does to a Roof
Kenmore sits at the north end of Lake Washington, so waterfront-facing roofs get more wind exposure off the open water, while inland streets near Saint Edward State Park run under heavy second-growth conifer canopy that drops needles into valleys and gutters and promotes moss on shaded north slopes. Bellevue's wet season runs long, and that's the part that wears a roof down. It's not one storm doing the damage — it's weeks of overcast days that never let shingles fully dry. Moss takes hold in that stretch, lifting edges and holding moisture underneath. A roof built for this climate has to shed water fast and keep drying between rounds.
Business Buildings Nearby
Kenmore has Kenmore Air, Bastyr University nearby, which means flat and low-slope roofs as well as pitched ones. Those live or die on documentation: a warranty is only worth what the paperwork behind it can prove.
What To Expect
Estimated Roofing Pricing for Kenmore
No call-out fee and no obligation. Here is roughly where Kenmore jobs price out before we have seen the property.
| Service | Estimated cost |
|---|---|
| Moss Removal & Roof Cleaning | an estimated $400–$1600 |
| Gutter Cleaning & Gutter Guards | an estimated $175–$500 |
| Roof Replacement | an estimated $11000–$30000 |
| Roof Repair | an estimated $400–$2200 |
Around Town
Local Landmarks & Neighborhoods We Cover in Kenmore
Log Boom Park
Log Boom Park sits where the Sammamish River empties into Lake Washington, and the homes ringing that shoreline face the same wind and moisture off the water as the boats moored nearby.
Saint Edward State Park
Saint Edward State Park holds the old seminary grounds on wooded bluffs above the lake, and the tree cover that makes the park worth visiting is the same cover that drops needles and shade onto nearby roofs.
Bastyr University
Bastyr University occupies the former seminary building near the park, and the campus marks the quieter, wooded stretch of Kenmore where lot lines back up to mature trees rather than open streets.
Most Requested Here
Popular Services in Kenmore
Gutter Cleaning & Gutter Guards
Clear gutters and downspouts, with guard options that cut how often you climb up there.
Learn about Gutter Cleaning & Gutter GuardsNearby
We Also Serve Nearby Areas
Bridle Trails · Crossroads · Eastgate · Factoria · Downtown Bellevue · Issaquah · Kirkland · Bothell
Questions & Answers
Frequently Asked Questions
How old are most roofs in Kenmore?
Kenmore's housing stock leans mostly 1970s-1990s, with about a quarter built after 2000. A composition shingle roof from that older wave is likely nearing or past a typical replacement window, while newer builds near the lake and along the Sammamish River corridor are still mid-life. Age alone doesn't tell the story - moss lift and flashing wear matter more than the build era stamped on the permit.
What roof style is common on Kenmore streets?
Composition asphalt shingle is the roof covering seen on most Kenmore streets, especially on the older ramblers and split-levels set back under tree cover near Saint Edward State Park. Cedar shake still turns up on a share of the postwar housing stock. Newer townhome and multifamily buildings near the Sammamish River Trail corridor more often carry metal or a low-slope membrane instead of a shingled roof.
Does Kenmore require a permit to reroof?
Washington's state residential code sets the general rule: a roof recover can skip a building permit under defined conditions, while a full tear-off replacement needs one once the repaired sheathing passes a certain amount. Kenmore's own building department applies these rules and is the right place to confirm whether a specific reroof needs a permit, since the answer depends on the scope of the job rather than being a flat yes or no.
Why do Kenmore roofs need work sooner than expected?
A lot of Kenmore's single-family stock dates to the 1970s-1990s build era, putting many original roofs well past their expected life. Add heavy tree cover near the park and lake bluffs, and moss holds moisture against the shingle longer than on more open, sun-exposed lots elsewhere in the service radius.
Are Kenmore roofers required to be licensed?
Yes, in the sense that matters here: Washington requires roofing contractors working in Kenmore to be registered with the Department of Labor & Industries, bonded, and carrying liability insurance, since the state does not issue a separate roofing trade license. Before signing anything, confirm a contractor's registration is active and their bond and insurance are current using L&I's public lookup tool.
How soon can a roofer be at my Kenmore address?
Usually the same day, yes. Urgent jobs jump the queue here: water coming through a ceiling, a slope torn open by wind, or a limb down on the roof. Those are taken around the clock. Anything that can safely wait is booked at the standard rate instead.
Get Started Today
Connect With Local Pros
Every Bellevue neighborhood carries its own version of the same weather - heavier moss under the conifer cover near Cougar Mountain and Lakemont, more wind exposure along the lake shore near Enatai and Meydenbauer. What matters is how those conditions have treated your specific roof. The licensed pros we connect you with know how local terrain and tree cover show up on a roof, and they will look at yours directly rather than guess from a neighborhood average.
Call (425) 380-0932