CML Concrete

Renovation Company in Seattle, WA

A renovation company in Seattle remodels and upgrades existing homes — covering kitchens, bathrooms, basements, additions, and full home renovations. Seattle home renovations range from $15,000 for a single room to $150,000+ for a full home remodel, depending on scope and finishes. 

What Does a Renovation Company Do in Seattle?

Renovation (also called remodeling) updates or improves an existing structure. 

This is different from new construction. The home already exists — we improve it. 

Renovation work we handle: 

  • Kitchen remodeling — cabinets, countertops, flooring, plumbing, lighting 
  • Bathroom remodeling — tile, fixtures, vanities, showers, tubs 
  • Basement finishing and conversion 
  • New home additions — extra rooms, second stories, sunrooms 
  • Whole-home renovations — full interior and exterior 
  • ADU and garage conversions 
  • Exterior renovations — siding, decking, concrete, painting 

Renovation Cost Guide — Seattle, WA

Renovation Type Estimated Cost Range (Seattle)
Bathroom remodel (mid-range)
$12,000 – $35,000
Kitchen remodel (mid-range)
$25,000 – $75,000
Kitchen remodel (high-end)
$75,000 – $150,000+
Basement finishing
$25,000 – $60,000
New home addition (per sq ft)
$200 – $500+
Full home renovation (2,000 sq ft)
$80,000 – $250,000+

Source: Remodeling Magazine 2024 Cost vs. Value Report — Seattle Metro. 

How We Manage Your Renovation Project in Seattle

One project manager handles your job from estimate to completion. You have a single point of contact. 

 

  • Free on-site consultation and scope review 
  • Detailed written estimate with itemized costs 
  • Design and material selection support 
  • Permit acquisition through SDCI (if required) 
  • Scheduled phased construction — demo, rough-in, finishes 
  • Subcontractor coordination — electrical, plumbing, HVAC 
  • Final walkthrough and punch list completion 

When Do You Need a Permit for Renovation in Seattle?

Not all renovation work requires a permit. Here is a clear breakdown. 

Renovation Work Permit Required?
Painting, flooring, cabinet swaps
No permit required
Adding or moving walls
Yes — structural permit
Electrical panel or wiring changes
Yes — electrical permit
Plumbing changes (new lines)
Yes — plumbing permit
New home addition
Yes — full construction permit
Window or door replacement (same size)
No permit required

We handle all permit applications through SDCI. Unpermitted work can delay home sales and create liability (per Washington State Department of Labor and Industries). 

FAQs — Renovation Company Seattle

A bathroom remodel takes 3 to 6 weeks. A kitchen remodel takes 6 to 12 weeks. A full home renovation takes 3 to 8 months. We provide a detailed project timeline before work begins. 

For targeted room renovations, most homeowners stay home. For full home renovations or projects affecting the kitchen, bathroom, and HVAC simultaneously, temporary relocation is recommended. 

According to Remodeling Magazine's 2024 Cost vs. Value Report, a mid-range kitchen remodel in Seattle returns 75 to 85 cents per dollar spent at resale. Bathroom remodels return 60 to 75 cents per dollar. 

Yes. We frequently combine both — for example, demolishing an existing structure, building a new addition, and renovating the remaining home in one coordinated scope. 

We serve Seattle, Bellevue, Kirkland, Redmond, Renton, Shoreline, Mercer Island, and King County. 

Request your free renovation estimate today.