Tree Services
Tree Removal
Whether a tree is damaged, dead, or a safety hazard, our crews ensure safe and efficient removal with minimal disruption to your property.
Learn more →Bryn Mawr-Skyway's Expert Arborists
Bryn Mawr-Skyway's unincorporated lots along Lake Washington's west shore hold moisture close to the surface, shaping how we assess root rot and storm risk, backed by written estimates and 24/7 response.
99% recommended
Why Bryn Mawr-Skyway
Local tree care for Bryn Mawr-Skyway.
Serving Bryn Mawr-Skyway, Washington through our Seattle crew, with the same expert arborists, the same standards, and the same around the clock availability.
What we do
Tree care in Bryn Mawr-Skyway, made easy.
Tree Services
Tree Trimming & Pruning
Keep your trees safe, structured, and looking right. We remove dead or overgrown branches, improve clearance, and reduce storm risk.
Learn more →Tree Services
Emergency & Storm Damage
When storms cause tree damage, our emergency team responds quickly to remove hazards, clear debris, and restore safety.
Learn more →Tree Services
WindReady™ Storm Prep
Strategic pruning, cabling, and bracing to reduce storm damage risks before severe weather hits.
Learn more →Tree Services
Safety & Risk Assessments
Identifying potential hazards before they become problems. Tree stability, structural integrity, and surrounding risks evaluated on-site.
Learn more →Tree Services
Virtual Consulting & Estimates
Get expert arborist guidance without a site visit. Share photos or video of your trees and receive a written assessment and estimate within 24 hours.
Learn more →Commercial
Multi-Location Management
Simplify tree care across multiple properties with a single, trusted provider. Consistent maintenance and emergency response.
Learn more →Commercial
HOA & Property Management
One point of contact for the whole community: scheduled rounds, board-friendly reports, and uniform standards across every lot.
Learn more →Commercial
Municipal Tree Care
ROW maintenance, public works contracts, and storm response for city forestry teams. We handle permits and traffic plans.
Learn more →Commercial
Fortune-500 Grounds
Corporate campuses, hospital systems, and headquarters landscapes. Quarterly walks, annual risk reports, COIs on file.
Learn more →Commercial
Commercial Emergency Response
Under 2-hour dispatch to any property in our service area. Liability coverage and safety plans on file with your operations team.
Learn more →Commercial
Property Tree Inventory
A geotagged inventory of every tree on the property: species, age, condition, and recommended work, refreshed annually.
Learn more →What people are saying
Rated 4.9 stars across 140+ reviews.
Real reviews from real customers, straight from our Google Business Profile. Here's what people say once the crew has packed up and the yard is clean.
JB
★★★★★
March 11th, a brief but strong storm came through Goodlettsville and blew over two giant trees in my front yard; one which was being supported by a 3rd tree that was facing and threatening my house. It was an…
Julie Bangs●3 days ago
JM
★★★★★
From the time I inquired w this company about removing a tree that was strongly impacted from the major strong 80 mph winds on March 3, 2023, they provided us w exceptional service in every way . They were…
Jeanne Mason●3 weeks ago
GH
★★★★★
CATS crew was amazing across the board from Mike & Lisa & Joe to the crew that came to our house. The consultation was easy and informative and made me feel comfortable in choosing them. The price was less…
Guy Hunt●1 month ago
Local expertise
Why an Expert Arborist Matters in Bryn Mawr-Skyway
Bryn Mawr-Skyway is unincorporated King County, tucked along Lake Washington’s west shore between Renton and Rainier Beach. Lakeside ground here holds moisture close to the surface much of the year, adding to the deep, often saturated, acidic soil already typical across the region. That combination is a steady contributor to laminated root rot in the Douglas fir and western hemlock still standing on older lots.
Because the community falls under county rather than city jurisdiction, permit and regulation questions can look different here than in neighboring incorporated cities, and an arborist who works this area regularly knows which rules actually apply. Every estimate is walked on site, cuts follow ANSI A300 standards, and risk assessments are TRAQ qualified, backed by full general liability and workers’ compensation insurance on every crew.
Bryn Mawr-Skyway’s Tree Challenges
Bryn Mawr-Skyway’s yards carry the familiar regional pairing of ornamental red maple, flowering cherry, and European birch alongside native conifers left from before the area was developed. Birch planted on the wetter lakeside lots can show root stress that makes it an easier target for bronze birch borer than the same species on higher, drier ground.
The lake’s proximity keeps soil moisture elevated much of the year, which is the main driver behind windthrow risk here. A tall Douglas fir already working through laminated root rot or a Swiss needle cast thinned canopy is the tree most likely to fail once a winter windstorm moves through. An expert arborist checks root flare and canopy condition together on every lakeside lot, since either sign alone is manageable but both together call for a closer look.
Service area
Our Seattle service area.
Bryn Mawr-Skyway is in the Seattle service area. Calls route through national intake until local coverage is verified.
Areas we cover
Click an area to learn more about our work there.
- Seattle
- Bothell
- Shoreline
- Kenmore
- Lake Forest Park
- Mercer Island
- Kirkland
- Bryn Mawr-Skyway
- Newcastle
- Burien
- Tukwila
Bryn Mawr-Skyway FAQ
Local questions, local answers.
Don't see your question? Call us. Every call is answered by a human arborist, day or night.
Do you serve Bryn Mawr-Skyway, WA?
Yes. The Certified Arborist Tree Service works throughout Bryn Mawr-Skyway, the unincorporated area along Lake Washington's west shore. Call for a free on-site estimate.
How fast can an arborist get to my property in Bryn Mawr-Skyway?
Most estimate visits happen within 24 hours, and storm emergencies get a crew on site the same day. We answer the phone around the clock, not a call center.
Does being unincorporated change how tree work gets permitted here?
Bryn Mawr-Skyway falls under King County jurisdiction rather than a city government, so permit requirements can differ from nearby incorporated cities. We confirm the county requirements for your address before any permit or arborist report is filed.
Do you provide documentation for my HOA or insurer?
Yes. We provide written, signed tree risk assessments using TRAQ methodology, accepted by HOAs, insurance carriers, and legal counsel.
Are you licensed and insured?
Yes. We carry full general liability and workers' compensation coverage on every crew member, and can email a current Certificate of Insurance before work begins.
Take back your trees today
One expert arborist. Every tree on your property.
Free estimate. Twenty-four-hour response. No contracts. No commitments.
Or call (844) 835-8733, answered 24/7 by a human.
