Zoning, building permits and septic rules in Dexter, Minnesota

Dexter’s own rules

• Building permitRequired

  New buildings, additions, garages, fences, decks, patios, above-ground pools, driveways, accessory buildings, and changes to existing structures inside Dexter city limits.

  • The official page's enumerated construction categories define the stated applicability.

  “Building permits are required for the following: New Buildings”

• Local zoningPresent (with conditions)

  Land inside Dexter city limits.

  • The city official site publishes a Zoning Ordinance; district-specific controls require the ordinance text, whose DOC file was unavailable to the research tool.

  “Ordinances most commonly requested and enforced Zoning Ordinance”

• Zoning districtsPublished (with conditions)

  Dexter city limits shown on the official zoning map.

  • The published map identifies districts but does not itself state permitted uses or dimensional controls.

  districts: AG, P-1, R-1, R-3, M-1, C-1, C-3

  “AG [...] P-1 [...] R-1 [...] R-3 [...] M-1 [...] C-1 [...] C-3”

• Driveway accessRequired

  Driveways inside Dexter city limits.

  • The city lists driveways among work for which building permits are required.

  “above ground pools, driveways or accessory buildings.”

• Permit feesPublished (with conditions)

  City permit and administrative fees inside Dexter city limits.

  • The city page links a 2025 fee schedule; the linked XLSX content was not accessible to the research tool, so individual fees were not extracted.

  “Administration 2025 Fee Schedule Building Building permits are required for the following:”

Rules another office applies inside Dexter

Dexter 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)

  Unsewered land inside Dexter city limits, unless Dexter administers an Mower County-approved SSTS program at least as strict as the county ordinance.

  • Mower County's ordinance excludes an incorporated area that administers its own approved SSTS program.
  • The research located no official Dexter SSTS ordinance; this claim is conditional on the county ordinance's stated jurisdictional exception.

  “The Department shall regulate SSTS and septage disposal in Mower County pursuant to this Ordinance.”

• Off-grid sanitationLimited

  Privies and other non-water-carried sewage systems on unsewered land inside Dexter city limits, unless Dexter administers an approved local SSTS program.

  • All sewage in Mower County must be treated in an MPCA-permitted facility or a system meeting the county ordinance.
  • The county ordinance includes an exception for incorporated areas with approved local SSTS programs.

  “privies and other non-water carried SSTS”

Still unanswered

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

• Owner-builder exemption — General residential building work inside Dexter city limits.
• Building code adopted — Construction inside Dexter city limits.
• Inspections — Building work inside Dexter city limits.
• Certificate of occupancy — Occupancy of buildings inside Dexter city limits.
• Minimum dwelling size — Residential zoning districts inside Dexter city limits.

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.