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Cost of Basement Bathroom Installation in Seattle

Installing a basement bathroom in Seattle, WA can significantly enhance your home's value and convenience. However, the costs associated with such a project can vary widely based on several factors. Understanding these factors and the common tasks involved can help you plan and budget effectively.

Factors Affecting Cost

  • Permits: Necessary for legal compliance and can vary in price.
  • Plumbing: Extending or installing new plumbing lines can be costly.
  • Electrical Work: Required for lighting, outlets, and ventilation.
  • Materials: Quality and type of materials used, such as tiles, fixtures, and cabinetry.
  • Labor: Rates can vary based on the contractor and complexity of the job.
  • Design Complexity: Custom designs and layouts can increase costs.
  • Existing Conditions: The current state of your basement, including any needed repairs or waterproofing.

Average Costs for

Task Average Cost (USD)
Permits $500 - $1,500
Plumbing Installation $2,000 - $5,000
Electrical Work $1,000 - $3,000
Flooring $1,500 - $4,000
Fixtures (toilet, sink, shower) $1,000 - $3,000
Drywall Installation $1,000 - $2,500
Waterproofing $1,500 - $3,500
Total Estimated Cost $8,500 - $22,500

Basement Bathroom Installation