Bolthole Index

Clatsop County, Oregon

Zoning, building permits and septic rules in Astoria, Oregon

Astoria is a city in Clatsop County, Oregon. Astoria adopts its own zoning, so inside its limits Astoria’s rules apply, not the county’s. 6 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Clatsop County page.

Answers from the rulebook for Astoria

Astoria’s own rules

  • Local zoningPresent (with conditions)

    Land inside Astoria city limits.

    • The City Development Code establishes standards for land use and population density.
    “The purpose of the Development Code is to promote orderly city growth, conserve and stabilize property value, encourage appropriate land use and establish standards for population density.”
  • Driveway accessLimited

    Driveway work within City right-of-way inside Astoria city limits.

    • The right-of-way application includes driveway and sidewalk work.
    • Only Oregon Construction Contractors Board licensed contractors may perform work in the right-of-way.
    “Only Oregon Construction Contractors Board (CCB) licensed contractors may perform work in the right-of-way.”
  • Short-term rentalsLimited

    Renting a home, room, or lodging unit for fewer than 30 days inside Astoria city limits.

    • City approval and a license are required before advertising or accepting guests.
    • Vacation rentals are limited to stays of 30 days or less where the owner does not live on site.
    • Vacation-rental licenses are valid for up to two calendar years and subject to a 50-unit citywide cap.

    maximum vacation-rental stay: <= 30 days (owner does not live on site) · citywide vacation-rental license cap: 50 licenses

    “A license is required for all vacation rentals in Astoria”
  • Permit feesPublished (with conditions)

    Vacation-rental licenses inside Astoria city limits.

    • Payment must accompany the application.
    • Fees stated by the City apply to vacation-rental licensing, not necessarily every development permit.

    new vacation rental license base fee: 500 USD · existing pre-approved facility license: 150 USD (per property) · biennial renewal: 150 USD (every 2 years)

    “New Vacation Rental License (Base) | $500”
  • Permit processPublished (with conditions)

    Building-permit applications inside Astoria city limits.

    • Planning approvals may be required before a building application can proceed.
    • Incomplete applications are returned.
    • Plans are required for most building permits.
    “Applications and plans must be complete to be accepted for processing; incomplete applications will be returned.”

Rules another office applies inside Astoria

Astoria does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building code adoptedAdopted (with conditions)

    Building work inside Astoria city limits.

    • The City administers its permit and inspection program through enforcement of the Oregon Building Code.
    “The division works to ensure the adopted codes and standards are accessible.”

Still unanswered

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

  • Owner-builder exemption — Owner-built dwellings inside Astoria city limits.
  • Certificate of occupancy — New or changed residential occupancy inside Astoria city limits.
  • Minimum dwelling size — Single-family dwellings in Astoria's R-1 Low Density Residential zone.
  • Minimum lot size — Single-family dwellings in Astoria's R-1 Low Density Residential zone.
  • Setbacks — Single-family dwellings in Astoria's R-1 Low Density Residential zone.
14 more unanswered
  • 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
  • Agricultural exemption
  • Building in a floodplain

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

Off-grid gear

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

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