Bolthole Index

Franklin County, Washington

Zoning, building permits and septic rules in Connell, Washington

Connell is a city in Franklin County, Washington. Connell adopts its own zoning, so inside its limits Connell’s rules apply, not the county’s. 7 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Franklin County page.

Answers from the rulebook for Connell

Connell’s own rules

  • Building code adoptedAdopted (with conditions)

    Buildings and structures within the City of Connell.

    • The adopted codes include amendments, deletions, and additions stated in Chapter 14.04.
    • The listed building code standards apply to construction, alteration, repair, demolition, use, occupancy, and maintenance.

    International Building Code edition: 2021 (Adopted with Washington State amendments.) · International Residential Code edition: 2021 (Chapters 11 and 25 through 43 are not adopted.)

    “The following codes as adopted and amended by the Washington State Building Code Council pursuant to RCW 19.27.031 and 19.27.040 are hereby adopted by reference, together with all amendments, deletions, and additions as provided in this chapter.”
  • Local zoningPresent (with conditions)

    Land inside the City of Connell city limits.

    • The city zoning code establishes and regulates the RL residential district.
    “The purpose of the RL district is to establish areas for low density, single-family residential buildings; to stabilize and protect residential districts; and to promote and encourage a suitable environment for family life in an urban setting.”
  • SetbacksSpecified

    Development in Connell's RL (Residential, Low Density) district.

    • For corner lots, see CMC § 17.21.080.

    street-frontage setback: >= 20 feet · side setback: 5 on one side; 10 on garage side feet · rear setback: >= 20 feet

    “Minimum setbacks: street frontage—twenty feet; side—five feet on one side and ten feet on the garage side; rear—twenty feet (for corner lots see Section 17.21.080);”
  • Building heightSpecified

    Development in Connell's RL (Residential, Low Density) district.

    maximum building height: <= 35 feet

    “Maximum building height: thirty-five feet; and”
  • Accessory dwellingsLimited

    Accessory dwelling units on single-family lots inside Connell city limits.

    • A converted portion of a detached single-family dwelling or detached ADU is only for use by a family member.
    • One unit must be owner-occupied.
    • Permits must comply with Chapter 17.23 and be renewed annually.
    • One ADU is allowed per single-family lot.
    • The owner/occupant may not receive rent.
    • Detached ADUs must meet all zone standards and restrictions.

    maximum detached ADU area: <= 600 square feet

    “Permits for accessory apartments must be in accord with Chapter 17.23, and must be renewed annually. One ADU is allowed per single-family lot. The owner/occupant may not receive rent for the ADU. Detached ADUs must further comply with all standards and other restrictions in the zone they are located. Detached ADUs shall not exceed six hundred square feet.”
  • Subdividing landRegulated (with conditions)

    Platting, subdivision, and short-subdivision of land inside Connell city limits.

    • Title 16 includes preliminary-plat application and approval procedures, final-plat approval, and short-subdivision application procedures.
    “Chapter 16.04 PLATTING AND SUBDIVISION REGULATIONS”
  • Permit processPartial

    Accessory-dwelling-unit permits inside Connell city limits.

    • Accessory-apartment permits must comply with Chapter 17.23.
    • Permits must be renewed annually.

    permit renewal interval: per 1 year

    “Permits for accessory apartments must be in accord with Chapter 17.23, and must be renewed annually. One ADU is allowed per single-family lot.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Connell or Franklin County directly.

  • Owner-builder exemption — Owner-built residential construction inside Connell city limits.
  • Inspections — Building construction inside Connell city limits.
  • Certificate of occupancy — Occupancy of buildings inside Connell city limits.
  • Minimum dwelling size — Single-family dwellings in Connell's RL district.
  • Lot coverage — Residential development inside Connell city limits.
14 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

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 Connell publishes no rule on the point, not that none exists. Franklin County’s page lists the county offices to call.

Off-grid gear

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

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