About Our Garage Remodeling Service in Seattle
Hiring Kolmo for Garage Remodeling in Seattle
Kolmo Construction is a licensed Seattle general contractor based at 4018 NE 125th St, Seattle. We take on garage remodeling in Seattle, Bellevue, Kirkland, Redmond, Sammamish, Issaquah, Renton, Kent, Federal Way, Mercer Island, Shoreline, Tacoma, Lakewood, Puyallup, Everett and Lynnwood.
- License, bond and insurance
- Washington State General Contractor License KOLMOL*753JS, issued by WA Labor & Industries. The license, bond and insurance records are listed on kolmo.io/verify, each with a link to the state lookup.
- Reviews
- 5.0 stars from 24 Google reviews. Read them on Google
- Garage Remodeling projects
- Garage Conversion to a Finished Room — Olalla — Olalla, WA, completed August 2026
- Garage renovation — Renton, WA, completed December 2025
- Price
- Planning prices for a Seattle job are in the cost question below and in the garage remodeling calculator, which itemizes materials, labor and, where the job needs one, Seattle's permit fee. The calculator shows a range from 15% below to 15% above its total. It is a planning figure, not a quote.
- How quoting works
- Request a quote or call (206) 410-5100 (Mon-Fri 8am-5pm, Sat 9am-1pm). Kolmo meets you at the house to see the job, and the quote comes back in writing, itemized line by line. Frederic Atallah runs Kolmo's site walks, scope, crews and schedule, and is the owner of record on the license.
Key Features & Benefits
Custom storage systems and cabinetry
Epoxy or polyurea garage floor coatings
Wall and ceiling insulation for year-round comfort
Electrical upgrades for lighting and equipment
Garage door replacement or reconfiguration
Conversion to gym, office, or guest suite (ADU-ready)
Our Garage Remodeling Process
Consultation & Needs Assessment
Layout & Utility Planning
Material & Finish Selection
Permitting & Pre-Construction
Build & Install
Final Walkthrough & System Check
Consultation & Needs Assessment
We evaluate your current garage, discuss intended use, and identify design goals such as storage, layout changes, or conversion plans.
Layout & Utility Planning
We develop a remodeling plan that includes electrical, HVAC, flooring, and built-in solutions tailored to your usage needs.
Material & Finish Selection
You choose from durable, performance-grade finishes for flooring, cabinets, and wall panels that match your style and budget.
Permitting & Pre-Construction
We handle required permits for electrical or structural changes and prepare the space, including any demolition or structural work.
Build & Install
Our crew installs cabinetry, flooring, lighting, insulation, and other systems with precision and a focus on longevity.
Final Walkthrough & System Check
We walk you through the completed space, test systems, and ensure your new garage meets Kolmo’s performance and aesthetic standards.
Recent Garage Remodeling Projects in Seattle
Plan Your Garage Remodeling Project
Seattle Garage Conversion Cost 2026: Bonus Room to ADU
Seattle garage conversion costs in 2026: $7.4K for a bonus room to $129K+ for a full ADU. Real $ by scope, SDCI permit rules, egress, and a line-item breakdown.
Read the guideEstimate your garage remodeling cost
Configure scope and get an itemized material + labor breakdown for your specific Seattle project.
Open the calculatorGarage Remodeling in Seattle: Common Questions
How much does a garage remodel cost in Seattle?
Kolmo's estimator prices a two-car (450 sq ft) Seattle garage at about $12,800 as a bonus room that keeps the garage door, $21,300 as a conditioned room, and $37,000 with a full bathroom. An ADU-style garage suite runs about $45,600 (one-car, builder finishes) to $98,500 (two-car, premium). Each is ±15% and priced 2026-09-29.
Can I convert my garage to a living space in Seattle?
Yes. Seattle permits garage conversions to living space, home office, or accessory dwelling unit (ADU) on most residential lots. A garage ADU requires separate permits and must meet Seattle building code for egress, ceiling height, and ventilation.
Ready to Start Your Garage Remodeling Project in Seattle?
Contact us today to schedule a free consultation and get a detailed quote. Our licensed team is ready to bring your vision to life with expert craftsmanship and attention to detail.
Or call us directly at (206) 410-5100