Bolthole Index

Johnson County, Iowa

Zoning, building permits and septic rules in Solon, Iowa

Solon is a city in Johnson County, Iowa. Solon adopts its own zoning, so inside its limits Solon’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the Johnson County page.

Answers from the rulebook for Solon

Solon’s own rules

  • Building permitRequired

    Construction of residential dwellings, including single-family dwellings and duplexes, inside Solon city limits.

    • Exempt items under 155.03 include: a. one-story detached accessory buildings used as tool and storage sheds, playhouses and similar uses; provided the floor area does not exceed 144 square feet; b. fences not over 6 feet high; f. sidewalks, driveways, platforms, decks, stoops and patios not more than 30 inches above grade.
    • Construction may proceed after the permit is issued, so status is conditional rather than prohibited.
    • Chapter 155.05 authorizes the mayor or mayor pro tem and the zoning officer to issue permits.

    exempt shed floor area maximum: <= 144 square feet (one-story detached accessory building used as tool/storage shed, playhouse or similar use)

    “for the construction of residential dwellings including singlefamily dwellings or duplex units.”
  • Local zoningPresent (with conditions)

    Land inside the corporate limits of Solon city, Iowa. Solon city administers its own zoning code (Chapters 165 through 175).

    • Zoning code applies to uses, structures and development inside Solon city limits; newly annexed land is governed by Chapter 165.10 (not opened).
    • Zoning code is the city's own ordinance; this is not a county or township rule.
    “chapters 165 through 175 of this code of ordinances shall be known and may be cited as the “zoning code of the city of solon, iowa.””
  • Zoning districtsPartial

    Land inside Solon city limits: the zoning district list and map.

    • Official zoning map is adopted by reference in Section 165.07; the map itself was not opened.
    • District dimensional standards and use tables were not opened; only the district list is confirmed.

    number of zoning districts: 8 districts

    “the city is divided into eight districts, designated as follows: a-1 agricultural r-1 residential r-2 residential r-3 residential r-4 residential c-r retail commercial c-g general commercial c-h highway commercial i-l light industrial”

Still unanswered

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

  • Owner-builder exemption — Owner-builder construction inside Solon city limits.
  • Inspections — Building inspections for new homes inside Solon city limits.
  • Minimum dwelling size — Single-family dwellings in Solon R-1 Residential district (and A-1 Agricultural if applicable).
  • Minimum lot size — Single-family lots in Solon R-1 Residential district and A-1 Agricultural district.
  • Setbacks — Yard setbacks for single-family homes in Solon R-1 Residential and A-1 Agricultural districts.
19 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
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • 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 Solon publishes no rule on the point, not that none exists. Johnson County’s page lists the county offices to call.

Off-grid gear

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

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

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