Bolthole Index

Pierce County, Washington

Zoning, building permits and septic rules in Town of Steilacoom, Washington

Town of Steilacoom is a town in Pierce County, Washington. 3 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Pierce County page.

Answers from the rulebook for Town of Steilacoom

Town of Steilacoom’s own rules

  • Building code adoptedAdopted (with conditions)

    Building construction inside Steilacoom town

    • Codes are adopted as amended by the Washington State Building Code Council
    • Adopts the 2021 International Building Code including Appendix E, the 2021 International Existing Building Code and the International Swimming Pool and Spa Code
    • Document is a town-hosted copy of Title 15; its currency was not confirmed
    “the town of steilacoom hereby adopts the following codes, as amended by the washington state building code council pursuant to rcw 19.27.074 for the purpose of establishing rules and regulations for the construction, alteration, removal, demolition, equipment, use and occupancy, location and maintenance of buildings and structures, including permits and penalties:”
  • Permit feesVariable (with conditions)

    Building permit fees inside Steilacoom town

    • Amounts are in a fee schedule adopted by council resolution, which was not opened
    • Valuation uses the ICBO Building Standards valuation data table without regional modifiers
    “permit fees shall be determined by the fee schedule adopted by the town of steilacoom by resolution of the town council.”
  • Permit processPartial

    Building permit review inside Steilacoom town

    • Review checks compliance with chapter 15.04, chapter 2.14 SMC and Titles 16, 17 and 18 SMC
    • Historic district work needs review under chapter 2.14 SMC (SMC 15.04.110)
    • Complete-application requirements in SMC 15.04.080 were not quoted
    “no building permit shall be issued until the plans have been approved by the building official.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Steilacoom or Pierce County directly.

  • Building permit — Building permits inside Steilacoom town
  • Owner-builder exemption — Owner-builder exemption inside Steilacoom town
  • Inspections — Building inspections inside Steilacoom town
  • Certificate of occupancy — Certificate of occupancy inside Steilacoom town
  • Local zoning — Zoning inside Steilacoom town
22 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of Steilacoom publishes no rule on the point, not that none exists. Pierce County’s page lists the county offices to call.

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