Bolthole Index

Worth County, Iowa

Zoning, building permits and septic rules in Fertile, Iowa

Fertile is a city in Worth County, Iowa. Fertile adopts its own zoning, so inside its limits Fertile’s rules apply, not the county’s. Septic permits inside Fertile come from Fertile. 11 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Worth County page.

Answers from the rulebook for Fertile

Fertile’s own rules

  • Building permitRequired

    New buildings, reconstruction, alterations and repairs inside Fertile city limits.

    • The permit is issued by the building official when the city's ordinances are met.
    • A permit that does not start construction within one year is void.
    • A building permit may not be issued for a building that does not comply with the city's ordinances; non-compliant structures in the r-l district need a special permit under 7-1-6 and 7-1-7.

    building permit fee: 35 USD (stated in 7-1-4 a.4)

    “all buildings or other structures, hereafter erected, reconstructed, altered, repaired, or occupied within the corporate limits shall be required to first secure from the city a permit therefor.”
  • Local zoningPresent (with conditions)

    Land inside Fertile city limits. The city adopts its own restricted residence (zoning) ordinance, Title VII chapter 1, with an r-l restricted residence district and an n-r non-residential district.

    • The ordinance restricts the r-l district to residences, schoolhouses, churches and similar uses; other uses need a special permit under 7-1-6 and 7-1-7.
    • Land annexed into the city is automatically classified r-l until the ordinance is amended.
    “the purpose of this ordinance is to establish a restricted residence district in the city of fertile, iowa, and to provide reasonable rules and regulations”
  • Zoning districtsPublished (with conditions)

    Inside Fertile city limits: the r-l restricted residence district and the n-r non-residential district under the city's restricted residence ordinance.

    • The zoning district map itself was not opened; the map is kept by the city clerk, and only its existence and the two classifications named in the text were confirmed.
    • Boundaries follow property lines, street lines or road centerlines per 7-1-3.
    “the official restricted residence district map is on file with the city clerk and is made a part of this ordinance.”
  • Minimum lot sizeDistrict specific (with conditions)

    Main single-family residential district in Fertile city: the r-l restricted residence district, one-family dwelling lot.

    • Two-family dwellings also use 8,700 square feet; multiple-family or other permitted uses use 9,000 square feet.
    • Multiple dwellings need 3,000 square feet for each of the first four units plus 850 square feet for each additional unit.
    • No agricultural or rural-residential district was found in the city code; the n-r district's dimensional rules were not located.

    lot area, one-family dwelling: >= 8700 square feet (r-l district; two-family dwellings also 8,700 sq ft) · lot width, one-family dwelling: >= 66 feet (r-l district)

    “1. lot area: one family dwelling - 8,700 square feet.”
  • SetbacksDistrict specific (with conditions)

    Main single-family residential district in Fertile city: the r-l restricted residence district, principally permitted uses.

    • Front yard: no new construction closer than 20 feet and no construction required to be set further back than 30 feet from the front property line; a lot at a street junction needs a 15-foot side yard next to a public street.
    • Schools and churches are exempt from the front yard and corner side yard setbacks.
    • Unattached accessory building in the rear yard: at least 6 feet from the principal building and no closer than 3 feet to the side or rear lot lines.
    • Non-residential district (n-r) setbacks not located.

    front yard minimum: >= 20 feet (r-l; schools and churches exempt) · side yard: 5 feet (principally permitted uses; corner lot side yard next to street 15 feet) · rear yard: 20 feet (principally permitted uses) · accessory building rear setback from principal building: >= 6 feet (unattached accessory building in rear yard)

    “5. side yards: five (5) foot setback for all principally permitted uses.”
  • Who permits septicLocal (with conditions)

    Private sewage disposal systems for buildings inside Fertile city limks where public sewer is not available.

    • The city superintendent signs the private sewage disposal permit under 6-2-3.
    • County or state health rules may also apply and were not checked.
    “2. before commencement of construction of a private sewage disposal system the owner shall first obtain a written permit signed by the superintendent.”
  • Septic permitRequired

    A building sewer that connects to a private sewage disposal system inside Fertile city where no public sewer is available.

    • Applies only where a public sanitary or combined sewer is not available.
    • The fee is $25.00.

    private sewage disposal permit and inspection fee: 25 USD (6-2-3 item 2)

    “before commencement of construction of a private sewage disposal system the owner shall first obtain a written permit signed by the superintendent.”
  • Off-grid sanitationLimited

    Private sewage disposal for buildings inside Fertile city limits when public sewer is not available.

    • Allowed only where public sewer is not available and only under the city's private system rules, with a permit first.
    • Whether an outhouse or other off-grid toilet is permitted was not checked.
    “1. where a public sanitary or combined sewer is not available under the provision of section 6-22(4), the building sewer shall be connected to a private sewage disposal system complying with the provisions of this section.”
  • Mandatory utility hookupWater and sewer (with conditions)

    A new home or building inside Fertile city limits: connection to the city's public water and sewer when they are available.

    • Water: connection is mandatory if the public water supply is reasonably available and the building lacks other pure and wholesome water (tested at the owner's expense).
    • Sewer: a building with toilet facilities must connect to the public sewer where it is within 150 feet of the property line.
    • Where the sewer is not available, 6-2-3 requires a private sewage disposal system (see septic claims).

    public sewer distance to property line for mandatory connection: <= 150 feet (6-2-2 mandatory sewer connection)

    “all residences and business establishments within the city limits intended or used for human habitation, occupancy or use shall be connected to the public water supply if it is reasonably available”
  • Permit feesPublished (with conditions)

    Building permit fee and private sewage disposal permit fee inside Fertile city limits.

    • Other fees (excavation under 6-6-3, sidewalk permits) were not checked.
    • The code does not say the fee changes by project size.

    building permit fee: 35 USD (7-1-4 a.4) · private sewage disposal permit and inspection fee: 25 USD (6-2-3 item 2)

    “4. there shall be a $35.00 fee for a building permit.”
  • Permit processPartial

    Building permit process inside Fertile city limits.

    • Application form, plans and inspection steps for building permits were not located in the code text read.
    • Permit for private sewage disposal: application on a city form with plans and specifications the superintendent requires.
    “the application for such permit shall be made on a form furnished by the city, which the applicant shall supplement by any plans, specifications, and other information as are deemed necessary by the superintendent.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemption from permits inside Fertile city limits.
  • Building code adopted — Building code adopted for construction inside Fertile city limits.
  • Inspections — Building inspections for construction inside Fertile city limits.
  • Certificate of occupancy — Certificate of occupancy for buildings inside Fertile city limits.
  • Minimum dwelling size — Minimum floor area of a dwelling inside Fertile city limits.
13 more unanswered
  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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

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