Zoning, building permits and septic rules in North Bonneville, Washington

North Bonneville’s own rules

• Building code adoptedAdopted (with conditions)

  Buildings and structures inside North Bonneville city

  • Edition and local amendments not verified: the Title 17 PDF on the city site returned no extractable text.

  “chapter 17.04, adopting provisions of the international building code;”

• Local zoningPresent

  Land inside North Bonneville city limits covered by the official zoning map

  • Title 20 applies only to areas covered by the official zoning map (20.08.030).
  • Buildings must also conform to other chapters including 17.04 (building code), 19.08 and 19.04 (subdivisions) and 17.20 (site and building plan review).

  “the provisions of this title shall apply only to those areas covered by the official zoning map of the city of north bonneville.”

• Zoning districtsPublished

  Zones inside North Bonneville city

  • Zones include SFR, MF, MH, CBD, C-1, CR, LC-P, AG-P, TC, MU, I/BP and public use and federal areas
  • Official zoning map is on file with the city

  “for the purpose of this chapter, the following zone classifications are established:”

• Minimum dwelling sizeSpecified

  Single-family residential (SFR) zone inside North Bonneville city; each duplex unit has the same 900 sq ft minimum

  • Agricultural/wetland preserve district not reviewed

  minimum floor area: >= 900 square feet (living space)

  “a single-family residential dwelling shall have a minimum floor area of nine hundred (900) square feet of living space.”

• Minimum lot sizeSpecified

  Single-family residential (SFR) zone inside North Bonneville city

  • Duplexes only on lots over 17,500 sq ft
  • Agricultural/wetland preserve district not reviewed

  minimum lot area: >= 12000 square feet · minimum width at point of access: >= 50 feet

  “lots zoned single-family residential shall be no less than twelve thousand (12,000) square feet in area with a minimum width of no less than fifty (50) feet at the point of access.”

• SetbacksSpecified

  Single-family residential (SFR) zone inside North Bonneville city

  • Rear and side setbacks apply to the principal structure only; accessory buildings 5 feet from side and rear lot lines
  • No accessory building in any front yard
  • Front setback excludes street right-of-way

  front yard: >= 25 feet (any principal, secondary or accessory building) · rear yard: >= 20 feet (principal structure only) · side yard: >= 8 feet (principal structure) · accessory building side/rear: >= 5 feet

  “rear yard--twenty (20) feet which shall include both curved and angled rear lot lines as the base for measurement.”

• Building heightSpecified

  Single-family residential (SFR) zone inside North Bonneville city

  • Agricultural/wetland preserve district not reviewed

  maximum building height: <= 35 feet

  “maximum building height shall not exceed thirty-five (35) feet in single-family residential zones.”

• Living in an RVLimited

  RVs, trailers, motor homes and campers used as dwellings in the single-family residential (SFR) zone inside North Bonneville city

  • Only one currently licensed, self-contained trailer or motor home
  • Limited to one year from the date of an approved residential building permit
  • Other zones not reviewed

  RV use period: <= 1 year (from date of approved residential building permit)

  “use of mobile homes, trailers, motor homes or campers, except for the use of a single, currently licensed, self-contained trailer or motor home for up to one year from the date of an approved residential building permit.”

• Manufactured homesLimited

  Manufactured homes in the single-family residential (SFR) zone inside North Bonneville city

  • Manufactured homes must be new on the date of installation
  • Must be on a permanent foundation
  • Must meet the 20 foot minimum width and 900 sq ft definition
  • Pre-1974 mobile homes are prohibited within city limits (20.12.280)

  minimum width: >= 20 feet

  “all manufactured homes must be new on the date of installation.”

• Subdividing landRegulated (with conditions)

  Plats and short subdivisions inside North Bonneville city

  • Details in Titles 19.04 and 19.08 not reviewed

  “chapter 19.08, regulating plats and subdivisions; chapter 19.04, regulating short subdivisions;”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask North Bonneville or Skamania County directly.

• Building permit — New construction inside North Bonneville city
• Owner-builder exemption — Owner-builders inside North Bonneville city
• Inspections — Construction inside North Bonneville city
• Certificate of occupancy — Occupancy inside North Bonneville city
• Lot coverage — SFR zone inside North Bonneville city

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.