Zoning, building permits and septic rules in Plummer, Idaho
Plummer is a city in Benewah County, Idaho. Plummer adopts its own zoning, so inside its limits Plummer’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on October 22, 2026. Rules for unincorporated land are on the Benewah County page.
Answers from the rulebook for Plummer
Plummer’s own rules
Building permitRequired
Building construction inside Plummer city limits.
Construction may proceed after the building permit is issued through city hall.
Fees, exemptions and scope of work requiring a permit were not located.
“building permits are required in plummer.”
Building code adoptedAdopted (with conditions)
Building construction inside Plummer city limits.
The city page states only that the city has adopted the international building codes; edition and adoption ordinance were not identified.
Title 7 Building Regulations was not opened.
“building permits are required in plummer. the city has adopted the international building codes.”
Local zoningPresent (with conditions)
Land inside Plummer city limits; the city's adopted code includes Title 8, Zoning Regulations.
The code table of contents lists Title 8 Zoning Regulations as part of the city's adopted code (current through Ord. 474, passed 12-19-2024).
The Title 8 text itself was not opened in this research pass; district dimensional, use and occupancy rules are recorded as unknown on separate claims.
The planning page says special use permits and approach permits are obtained through city hall.
“title 7 building regulations title 8 zoning regulations title 9 subdivision regulations”
Subdividing landRegulated (with conditions)
Division of land inside Plummer city limits.
The code table of contents lists Title 9 Subdivision Regulations; the subdivision standards and approval steps were not opened.
“title 7 building regulations title 8 zoning regulations title 9 subdivision regulations”
Permit processPartial
Building, special use and approach permit process inside Plummer city limits.
The city page directs applicants to city hall for special use, building and approach permits; no step-by-step process, forms or timelines were published on the opened page.
Office hours and address are on the city site (880 C Street, Plummer, Idaho).
“to obtain a special use permit, building permit or approach permit please contact city hall.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Plummer or Benewah County directly.
Owner-builder exemption — Owner-builder permit exemption inside Plummer city limits.
Inspections — Building inspections for construction inside Plummer city limits.
Certificate of occupancy — Certificate of occupancy for new buildings inside Plummer city limits.
Minimum dwelling size — Minimum dwelling floor area inside Plummer city limits.
Minimum lot size — Minimum lot size for the main single-family residential district inside Plummer city limits.
17 more unanswered
Setbacks
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
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 Plummer publishes no rule on the point, not that none exists. Benewah County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Plummer means bringing your own water and power. The kit we’d start with:
