Bolthole Index

Lewis County, Washington

Zoning, building permits and septic rules in Toledo, Washington

The City of Toledo, Washington (Lewis County) administers its own zoning inside city limits under the Toledo Land Development Code1, and the city's permitting staff handle building permits2. Septic permits inside Toledo come from Lewis County Health, not the city3. Outside city limits, Lewis County's own rules apply instead4.

At a glance

Zoning
Yes. The city divides its land into zoning districts (R, C, MUC, WMU, LI and HI)15
Building permit
Required for new buildings and additions; apply through the City of Toledo permitting staff2
Septic
Lewis County Health issues septic permits inside city limits3
R1 height and setbacks
35 feet maximum height; setbacks of 15 feet front, 5 feet side, 10 feet rear67
R1 minimum lot
4,000 sq ft in the Old Town overlay, 6,000 sq ft elsewhere8
Accessory dwellings
Allowed in R1, up to two per lot9
Manufactured homes
Allowed in R1 if built to state manufactured-housing standards10
RV or tiny-home living
General rule not confirmed; the code's only camping allowance is for religious organizations1112

Who to call

Building permits

City of Toledo – Permitting (City Hall)

Building permits and inspections, plus the forms for conditional use and variance requests, inside Toledo city limits

360-304-0113

130 N Second Street, Toledo, Washington 98591

Septic permits

Lewis County Environmental Health – On-Site Septic Program

Septic site evaluations, permits and construction inspections, including for addresses inside Toledo

360-740-2718

125 NW Chehalis Ave, Chehalis, WA 98532

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

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

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Does Toledo, WA have zoning, and what does it allow?

Yes. Toledo administers its own zoning inside city limits, and the Toledo Land Development Code (adopted 2025) divides the city into zoning districts1. The residential district is R, with R1, R2 and R3 density tiers; the other districts are C, MUC, WMU, LI and HI5. Land inside the city that is not designated on the zoning map is treated as zoned R13. We did not find an agricultural or rural-residential district in the code6.

In the R1 low-density residential district, buildings may be up to 35 feet tall6, and the minimum setbacks are 15 feet in front, 5 feet on the side, 10 feet on a side facing a street and 10 feet in the rear7. Minimum lot size in R1 is 4,000 square feet within the Old Town residential overlay and 6,000 square feet outside it8. Single-family homes, accessory dwelling units (up to two per lot) and manufactured homes built to state standards are permitted uses in R1910. Ask the city for the standards that apply to the other residential tiers and the commercial and mixed-use districts before you buy5.

Do you need a building permit in Toledo, and who issues it?

Yes, for most construction. The City of Toledo says many construction, repair and installation projects require a permit, and its permitting page lists new buildings or additions, electrical, plumbing and mechanical work, and demolition among them2. The city issues these building permits itself; Lewis County Community Development's permits cover only unincorporated land14.

Permits are not issued on the spot, and the city asks applicants to allow roughly 1-5 business days for processing, longer for complex projects2. To schedule an inspection, call or text the city's permitting line at 360-304-0113 with the property address or parcel number2. Washington's owner-builder exemption covers contractor registration only; it does not remove building, electrical, plumbing or septic permits15. We could not confirm Toledo's published fee schedule; ask City Hall for current permit fees.

How do septic permits work inside Toledo city limits?

Septic is the piece that does not move to the city. Lewis County Health is the permitting agency for septic systems within the City of Toledo3, run through the On-Site Septic Program, which evaluates site conditions and soil test pits and issues the permits16. New construction starts with a sewage permit/evaluation application17. The same program takes final-inspection requests on its septic inspection line18.

Soils matter: only about 7.1% of soils across Lewis County rate as not limited for a conventional drain field, so many lots need a site evaluation or an engineered system rather than a standard one19. The code also notes that critical aquifer recharge areas restrict some on-site septic development at higher densities3. The city operates sewer lines, but we could not confirm whether a new home inside city limits must connect to city sewer or water; ask City Hall before you plan a septic system.

Can you live in an RV or tiny home in Toledo, WA?

We could not confirm a general rule for living in an RV on a private lot inside Toledo; the code sections we reviewed did not address it. The only camping allowance found is narrow: a religious organization may host temporary encampments, overnight shelters, temporary small houses and safe parking areas on property it owns or controls11. That does not cover an individual owner living in a tiny home or RV on their own lot12.

What the code does allow is permanent housing: accessory dwelling units, up to two per lot, in R19, and manufactured homes that meet state manufactured-housing standards10. If your plan is a tiny home or an RV during construction, call the City of Toledo permitting line at 360-304-0113 before you buy2.

Building a home in Toledo: the steps, in order

  1. Confirm the parcel is inside Toledo city limits and check its zoning district on the city's zoning map5.
  2. Check the district standards for lot size, height and setbacks in the Land Development Code; in R1 the setbacks are 15 feet front, 5 feet side and 10 feet rear7.
  3. Call Lewis County Environmental Health at 360-740-2718 about a site evaluation and sewage permit if the lot will not connect to sewer18.
  4. Submit a complete building permit application to the City of Toledo; applications must be complete and include all required documents before review2.
  5. Wait for the permit, which is not issued on the spot2.
  6. Schedule inspections through the city permitting line at 360-304-01132.

What stays with Lewis County, and what to check before you buy in Toledo

Septic permits for addresses inside Toledo come from Lewis County Health3. Land outside city limits falls under the county's zoning and permitting instead; see the Lewis County page for those rules4.

Before you buy, confirm with the city whether the lot must connect to city sewer and water, what lot coverage and minimum dwelling size apply, and whether any part of the lot is in a mapped floodplain; we could not confirm those from the city's code. Lewis County's effective property tax rate is 0.7%20, and county-wide annual precipitation averages 73.1 inches21.

Watch-outs

  • We could not confirm whether a new home inside Toledo city limits must connect to city sewer or water; ask Toledo City Hall before you plan a well or septic system2.
  • We could not confirm a general rule for RVs or tiny homes on private lots in Toledo; the only camping allowance found is for religious organizations11.
  • Lewis County Community Development rules for unincorporated land do not apply inside Toledo, but septic still goes through Lewis County Health3.
  • We could not confirm Toledo’s floodplain rules or permit fee schedule; ask City Hall at the permitting line2.

Sources

  1. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  2. City of Toledo – Permitting (City Hall) (toledowa.us)
  3. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  4. Zoning & Comprehensive Plan Maps, quoted and re-checked
  5. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  6. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  7. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  8. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  9. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  10. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  11. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  12. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  13. Toledo Land Development Code (Adopted 2025), City of Toledo, WA (Toledo), quoted and re-checked
  14. lewiscountywa.gov, quoted and re-checked
  15. RCW 18.27.090 — Exemptions (Washington statewide rule), quoted and re-checked
  16. Septic Program, quoted and re-checked
  17. lewiscountywa.gov, quoted and re-checked
  18. Lewis County Environmental Health – On-Site Septic Program (lewiscountywa.gov)
  19. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  20. Effective property tax rate: Bolthole Index county data
  21. Annual precipitation: Bolthole Index county data

Written October 24, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Toledo

Toledo’s own rules

  • Local zoningPresent (with conditions)

    Land inside Toledo city limits: the city administers its own zoning under the Toledo Land Development Code (Adopted 2025).

    • Zoning is administered by the city; the adopted code states that the city is divided into zoning districts (Section 2.02).
    “the city of toledo is hereby divided into the following regular use land use zoning districts”
  • Zoning districtsPublished (with conditions)

    Land inside Toledo city limits. Zone list in the adopted code: R (general residential, with R1, R2 and R3 density tiers), C, MUC, WMU, LI and HI.

    • The zone list is in Section 2.02; the zone-by-zone standards for R2 and R3 and the mixed-use zones were not opened in this run.
    • Zone boundaries are on the official zoning map adopted by ordinance (Section 2.04/2.06).
    “general residential land use zone allowing the following housing types and densities. r1, r2, and r3 provide a range of densities.”
    One more reviewed finding on this topic
    • Published (with conditions) — Land inside Toledo city limits that is not designated on the zoning map (other than street or alley right-of-way).
      “any property other than the right-of-way of a street or alley that is not designated as being zoned shall be deemed to be zoned r.”
  • Minimum lot sizeDistrict specific (with conditions)

    Main single-family residential district R1 inside Toledo city limits; lot size depends on whether the parcel is in the Old Town residential overlay.

    • Lot frontage minimum is 35 feet (Section 3.02(1)(d)(iv)).
    • Maximum density is 10 dwelling units per acre with no minimum density (Section 3.02(1)(c)).

    minimum lot size, Old Town residential overlay: >= 4000 sq ft (within the old town residential overlay) · minimum lot size, outside overlay: >= 6000 sq ft (outside the old town residential overlay) · minimum lot frontage: >= 35 feet

    “iii) lot size: minimum lot size of 4,000 sq. ft. withing the old town residential overlay, 6,000 square feet outside of the overlay”
  • SetbacksSpecified

    Main single-family residential district R1 inside Toledo city limits.

    • Accessory structures are exempt from rear yard setbacks but must be at least 5 feet from the property line, or 10 feet from any arterial or collector road (Section 3.02(1)(d)(v)).
    • Diagrams in the code illustrate setbacks on a 4,000 sq. ft. lot.

    front setback: >= 15 feet · side setback: >= 5 feet · side yard adjacent to a street setback: >= 10 feet · rear setback: >= 10 feet

    “ii) minimum setbacks: front 15 ft., side 5 ft., side yard adjacent to a street 10 feet, rear 10 ft.”
  • Building heightSpecified

    Main single-family residential district R1 ("r1 - low-density residential zone") inside Toledo city limits. No agricultural or rural-residential district was identified in the adopted code.

    • Applies to R1 development standards in Section 3.02(1)(d).

    maximum building height: <= 35 feet

    “d) development standards: i) building height: maximum 35 feet.”
  • Camping on your landLimited

    Temporary encampments hosted by a religious organization on property it owns or controls inside Toledo city limits. This is the only temporary-camping allowance found; it does not cover general private-land camping.

    • Limited to religious organizations on property they own or control.
    • Must be consistent with the state statutes cited in the section (RCW 36.70A.445 and an RCW 35A.21 provision).
    • General tent or RV camping on private land was not addressed in the sections read.
    “a. a religious organization may host temporary encampments, overnight shelters, temporary small houses on site, and safe parking areas on property it owns or controls, consistent with rcw 36.70a.445 and rcw 35a.21.360.”
  • Tiny homesLimited

    Temporary small houses placed on property owned or controlled by a religious organization inside Toledo city limits. No general tiny-home occupancy rule was found.

    • Only as part of a religious organization's temporary encampment or safe-parking use (Section 2.09).
    “a. a religious organization may host temporary encampments, overnight shelters, temporary small houses on site, and safe parking areas on property it owns or controls, consistent with rcw 36.70a.445 and rcw 35a.21.360.”
  • Manufactured homesAllowed

    Manufactured homes as a permitted use in the R1 (low-density residential) district inside Toledo city limits

    • The home must comply with state standards for manufactured housing.
    “manufactured home in compliance with state standards for manufactured housing”
  • Accessory dwellingsAllowed

    Accessory dwelling units on R1 (low-density residential) lots inside Toledo city limits

    • ADU use is listed as a permitted use in R1 and follows RCW 36.70A.681(3).

    accessory dwelling units per lot: <= 2 dwellings per lot

    “single-family homes, accessory dwelling units (adus), up to two per lot consistent with rcw 36.70a.681(3)., manufactured home in compliance with state standards for manufactured housing”
  • Subdividing landRegulated (with conditions)

    Land divisions (subdivisions, cluster subdivisions and short plats) inside Toledo city limits

    • Cluster subdivisions require at least 5% permanent open space (subdivision article, not fully read).
    • Fees apply to subdivision permits and short plats (Section 1.10).
    “each lot in a cluster subdivision shall be of sufficient size and dimensions that it can support the structure proposed to be located on the lot”

Rules another office applies inside Toledo

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

  • Who permits septicCounty (with conditions)

    On-site septic systems on land inside Toledo city limits. Lewis County Health is the permitting agency, so the county, not the city, administers septic. Applies inside Toledo city.

    • Geography recorded as district-specific because the county-scope schema does not allow municipality-specific; the rule applies only inside Toledo city.
    • Critical aquifer recharge areas restrict some uses, including development with an on-site domestic septic system at a gross density greater than one system per residence per acre; that restriction was not fully read.
    “lewis county code (lewis county health is the permitting agency for septic systems within the city of toledo)”

Still unanswered

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

  • Building permit — Building permits for residential construction inside Toledo city limits
  • Owner-builder exemption — Owner-builder exemption for homeowners building in Toledo city limits
  • Building code adopted — Building code adoption for construction inside Toledo city limits
  • Inspections — Building inspections for residential construction inside Toledo city limits
  • Certificate of occupancy — Certificate of occupancy for new homes inside Toledo city limits
13 more unanswered
  • Minimum dwelling size
  • Lot coverage
  • Living in an RV
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

← All of Lewis County: county rules, score and offices