Serving Shoreline, King County
Insulation, Crawl Space & Mold Services in Shoreline, WA
Professional insulation, crawl space, and mold services for Shoreline homeowners. Served from our Mountlake Terrace office nearby.
Green Attic LLC provides insulation installation, mold remediation, crawl space repair, rodent proofing, attic cleanup, and sump pump installation for homeowners in Shoreline, WA. We are a licensed contractor (GREENAL785CS) with 4.9 stars from 102+ Google reviews. Our nearest office is in Mountlake Terrace, and we offer free on-site inspections with written, line-item estimates.
Home Performance Services in Shoreline
Green Attic serves Shoreline homeowners from our Mountlake Terrace office, just north on I-5. We provide insulation, crawl space repair, mold remediation, rodent proofing, sump pump installation, and general contracting throughout Shoreline.
Shoreline is a residential city with a housing stock dominated by mid-century homes that were originally part of unincorporated King County. Many of these homes have insulation and crawl space conditions that have not been updated since the house was built. We work in Shoreline regularly and know the building styles and issues that are common here.
Every project starts with a free on-site inspection. We look at the actual conditions, explain what needs to happen, and give you a written estimate with no surprises.
Mountlake Terrace Office
6100 219th St SW Ste. 480
Mountlake Terrace, WA 98043
Hours
Mon - Fri: 8am - 6pm
Saturday: 9am - 4pm
Sunday: Closed
What We Do
Services We Offer in Shoreline
From insulation upgrades to mold remediation, we handle the work that keeps your home comfortable, safe, and energy efficient. Every project starts with a free on-site estimate.
Mold Remediation
Found mold - or worried you might?
- Full containment and HEPA air filtration
- Independent third-party clearance testing
- Attic, crawl space, and living area mold
See our mold remediation process →
Crawl Space Services
Moisture, odor, or damage below your floors?
- Debris removal and full sanitation
- Vapor barrier installation
- Structural moisture control
See our crawl space services →
Insulation Installation
High energy bills or uneven temperatures?
- Attic, wall, and crawl space insulation
- Blown-in and batt installation to R-49
- PSE and Snohomish PUD rebate assistance
See our insulation services →
Rodent Proofing
Hearing scratching in your attic or walls?
- Full exclusion and entry point sealing
- Contaminated insulation removal
- Attic cleanup and re-insulation
See our rodent proofing process →
Attic Cleanup
Contamination, rodent waste, or old insulation?
- Contaminated insulation removal and disposal
- Full attic sanitation and HEPA cleaning
- New blown-in insulation to R-49 code
See our attic cleanup process →
Sump Pump Installation
Standing water under your home?
- New sump pump installation
- Existing pump replacement
- Battery backup systems
See our sump pump services →
Save on Home Improvements
Utility Rebates & Tax Credits for Shoreline Homeowners
Many insulation and weatherization upgrades qualify for rebates from Seattle City Light and federal tax credits under the Inflation Reduction Act. We help you understand what applies and provide the documentation you need to claim your savings.
Seattle City Light Rebates
Rebates available for attic insulation, wall insulation, and crawl space upgrades when brought to code-level R-values.
Federal Tax Credit (25C)
Up to 30% of insulation costs, maximum $1,200/year for qualifying improvements.
Your Local Team
Serving Shoreline from Our Mountlake Terrace Office
Green Attic is not a franchise or a national call center. We are a locally owned company with two offices in the Puget Sound area. Your project is managed by the same team from the first phone call through the final walkthrough.
- WA License #GREENAL785CS
- 4.9 stars from 102 Google reviews
- 10 years in business
- Same crew from estimate to completion
Local Knowledge
About Shoreline Homes
What we see working in Shoreline neighborhoods and why it matters for your home.
Housing Stock
Shoreline was largely built out in the 1950s and 1960s as part of the post-war suburban expansion north of Seattle. The Ridgecrest, Briarcrest, Hillwood, and Richmond Highlands neighborhoods are filled with ramblers built on a handful of common floor plans. These homes typically have original attic insulation at R-11 to R-19, well below the current R-49 code. Some areas along Aurora Avenue and near the 145th and 185th light rail stations have seen recent redevelopment, but the majority of Shoreline remains classic mid-century single-family construction.
Common Home Issues
Shoreline's flat terrain and mature tree cover create consistent moisture and shade around homes. Crawl spaces stay damp year-round, attic ventilation is often inadequate in the original construction, and rodent activity is common in neighborhoods with established landscaping. Homes near Thornton Creek, Echo Lake, and the Ronald Bog area are particularly susceptible to high groundwater and moisture intrusion. Many Shoreline homeowners also deal with drafty floors and uneven heating, which are signs of deteriorated crawl space insulation.
Neighborhood Character
Shoreline has a strong community identity built around its parks, trail system, and neighborhood gathering places. Cromwell Park, Shoreview Park, and the Interurban Trail connect residents across the city, while the Shoreline Pool and community center serve as local landmarks. The city is in a period of transition as light rail arrives at 145th and 185th, but the residential streets maintain their quiet, tree-lined character. Long-term homeowners take pride in their properties, and home improvement is a consistent priority in this community.
Why We Work Here
Shoreline is just south of our Mountlake Terrace office, making it one of our most accessible service areas. The city's uniform housing stock from the 1950s and 1960s means we know the building styles, the common insulation shortcomings, and the crawl space conditions before we even open the access door. We have worked on hundreds of homes with the same basic construction as Shoreline's ramblers, and that experience allows us to provide accurate estimates and efficient, high-quality work every time.
Frequently Asked Questions About Shoreline
Common questions from Shoreline homeowners about our services, scheduling, and what to expect.
Do you provide insulation and crawl space services in Shoreline, WA?
Yes. We serve Shoreline from our Mountlake Terrace office at 6100 219th St SW Ste. 480, just a few minutes north on I-5. We provide insulation, crawl space repair, mold remediation, rodent proofing, sump pump installation, and general contracting throughout Shoreline.
What insulation and crawl space issues are common in Shoreline?
Most Shoreline homes were built in the 1950s and 1960s as part of the post-war suburban expansion. These ramblers typically have original insulation at R-11 to R-19, far below the current R-49 code. Crawl spaces in the Ridgecrest, Briarcrest, and Hillwood neighborhoods commonly have deteriorated vapor barriers, moisture damage, and rodent activity after decades without maintenance.
What utility rebates are available for Shoreline homeowners?
Shoreline is served by Seattle City Light, which offers weatherization incentive programs for qualifying insulation upgrades. These programs can help offset the cost of bringing your attic or crawl space insulation up to current standards. We can help you understand what qualifies and provide documentation for the rebate process.
How do I schedule a free estimate in Shoreline?
Call us at (800) 931-1938 or fill out the contact form on our website. Our Mountlake Terrace office is just north of Shoreline, so we can schedule estimates quickly. We inspect your attic, crawl space, and other areas of concern, then provide a written estimate with clear pricing.
How far is Green Attic from Shoreline?
Our Mountlake Terrace office is about 10 to 15 minutes from most Shoreline neighborhoods via I-5 or Aurora Avenue. We are located at 6100 219th St SW Ste. 480 in Mountlake Terrace, making us one of the closest insulation and crawl space contractors to the Shoreline area.
Are homes near Thornton Creek and Echo Lake more prone to moisture issues?
Yes. Homes near Thornton Creek, Echo Lake, and other low-lying areas in Shoreline tend to have higher groundwater levels, which increases crawl space moisture. These homes frequently need sump pumps, improved drainage, and new vapor barriers in addition to insulation work. We assess these conditions during our free inspection and recommend the right combination of solutions.
Nearby Service Areas
We Also Serve These Communities
Green Attic provides the same services across King County and surrounding areas. Click a city below to learn more about our work in your neighborhood.
Get Your Free Estimate in Shoreline
We serve Shoreline and surrounding King County communities with honest, upfront home performance services. Call or fill out the form to get started.
(800) 931-1938No obligation, no pressure
Get a written estimate and decide on your own timeline
We respond within one business day
Most inquiries get a same-day response
Licensed and insured
WA License #GREENAL785CS
4.9 stars from 102 reviews
Real homeowners across King and Snohomish County