Zoning, building permits and septic rules in Lake Forest Park, Washington

Lake Forest Park’s own rules

• Building permitRequired

  Construction, alteration, repair, moving, demolition, occupancy changes, and regulated electrical, gas, mechanical, or plumbing work inside Lake Forest Park city limits.

  • A separate permit is required for each building or structure.
  • Listed exemptions in § 15.06.205 remain subject to other applicable laws and ordinances.

  “shall first make application to the building official and obtain the required permit.”

• Building code adoptedAdopted (with conditions)

  Buildings and construction inside Lake Forest Park city limits.

  • The adopted state code is modified by LFPMC Chapters 15.06 and 15.10.
  • The cited code lists 2021 editions and incorporates current and future state amendments as specified in § 15.04.015.

  “adopts as its building code the Washington State Building Code, as modified by Chapters 15.06 and 15.10 LFPMC”

• InspectionsRequired

  Work inside Lake Forest Park city limits for which a building permit is required.

  • Work must remain accessible and exposed until approved.
  • The permit holder or authorized agent must notify the building inspector when work is ready and provide access.
  • The code lists specified inspections and permits additional or special inspections.

  “Construction or work for which a permit is required shall be subject to inspection by the building inspector and such construction or work shall remain accessible and exposed for inspection purposes until approved.”

• Certificate of occupancyRequired

  Use or occupancy of buildings and structures inside Lake Forest Park city limits, including a change in occupancy classification.

  • The building inspector must issue the certificate.
  • A phased certificate may be issued before the entire permitted work is complete if the occupied portion is safe.

  “No building or structure shall be used or occupied, and no change in the existing occupancy classification of a building or structure or portion thereof shall be made until the building inspector has issued a certificate of occupancy therefor as provided herein.”

• Local zoningPresent (with conditions)

  Land inside Lake Forest Park city limits.

  • Buildings and uses must comply with Title 18 and secure required permits.

  “This title establishes comprehensive land use zoning regulations for the city”

• Zoning districtsPublished (with conditions)

  Zoning districts inside Lake Forest Park city limits.

  • The cited provision lists residential and mixed-use districts; other zoning provisions apply by district.

  “All residential and mixed use districts, including R-20, R-15, R-10, R-9.6, R-7.2, RM-3600, RM-2400, RM-1800, RM-900, SG-LDR, SG-C and SG-T;”

• Mandatory utility hookupConditional

  Accessory dwelling units inside Lake Forest Park city limits.

  • An accessory dwelling unit is not allowed on a lot not connected to a public sewer system.
  • This evidence does not establish a general public-water or public-sewer connection mandate for every new principal dwelling.

  “Accessory dwelling units shall not be allowed on any lot not connected to a public sewer system.”

• Subdividing landRegulated (with conditions)

  Subdivisions, dedications, short subdivisions, and unit-lot subdivisions inside Lake Forest Park city limits.

  • Specific approval standards and procedures are in Title 17 chapters not opened in full during this run.

  “Chapter 17.08 SUBDIVISIONS AND DEDICATIONS”

• Driveway accessLimited

  Driveway sight-distance situations on lots abutting fully developed urban streets inside Lake Forest Park city limits.

  • The city may require modification or removal only if improvements in required yards prevent adequate driveway entering sight distance and no reasonable driveway-relocation alternative is feasible.

  “no reasonable driveway relocation alternative is feasible”

• Building in a floodplainLimited

  Permitted construction in flood-hazard areas inside Lake Forest Park city limits.

  • For flood-hazard areas, the permit site plan must show flood-hazard areas, floodways, and design flood elevations as applicable.
  • After placement of the lowest floor and before further vertical construction, elevation certification required by cited IBC or IRC provisions must be submitted.

  “The construction documents submitted with the application for a permit shall be accompanied by a site plan showing to scale the size and location of new construction and existing structures on the site, distances from lot lines, the established street grades and the proposed finished grades and, as applicable, flood hazard areas, floodways, and design flood elevations; and it shall be drawn in accordance with an accurate boundary line survey.”

• Permit feesVariable (with conditions)

  Building, grading, structure, sign, gas, mechanical, and plumbing permits inside Lake Forest Park city limits.

  • Fees are established by City Council resolution and may be amended.
  • A permit is invalid until fees are paid.
  • Plan-review fees may be charged separately and additional review fees may apply to incomplete, changed, or deferred submittals.

  “The fee for each permit shall be as set forth in a resolution of the city council, as now or hereafter amended. A permit shall not be valid until the fees have been paid, nor shall an amendment to a permit be released until the additional fee, if any, has been paid.”

• Permit processPublished (with conditions)

  Building permits inside Lake Forest Park city limits.

  • Applicants must apply to the building inspector and obtain a required permit before regulated work.
  • Construction documents and a site plan accompany permit applications when required; the inspector examines documents for compliance.
  • The inspector may waive or modify site-plan requirements for alteration or repair applications or when otherwise warranted.

  “The building inspector shall receive applications, review construction documents and issue permits for the erection, alteration, demolition and moving of buildings, structures and building service equipment, inspect the premises for which such permits have been issued and enforce compliance with the provisions of this chapter.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Lake Forest Park or King County directly.

• Owner-builder exemption — Owner-built residential construction inside Lake Forest Park city limits.
• Minimum dwelling size — Single-family residential districts inside Lake Forest Park city limits.
• Minimum lot size — Single-family residential districts inside Lake Forest Park city limits.
• Setbacks — Principal single-family dwellings inside Lake Forest Park city limits.
• Lot coverage — Principal single-family dwellings inside Lake Forest Park city limits.

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.

Off-grid gear

Going off-grid in Lake Forest Park means bringing your own water and power. The kit we’d start with:

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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