Zoning, building permits and septic rules in Fulton, Illinois

Fulton’s own rules

• Local zoningPresent (with conditions)

  Land inside Fulton city limits: the city adopts and administers its own zoning ordinance, Chapter 155 (Zoning) of the city code

  • Use and lot rules differ by district (single-family, one-half acre single-family, multiple family, business, outlying business, industry).
  • The code page names the code as Fulton, Illinois and does not print the county; it is the city's own code (Common Council ordinances). Whiteside County location was not confirmed on a county-stated page.
  • Code text checked is the American Legal Publishing copy current through ord. 1740 (2025 S-7 supplement); the code page says the official printed copy should be consulted.

  “chapter 155: zoning share download bookmark print § 155.050 permitted uses.”

• Zoning districtsPublished (with conditions)

  Zoning districts inside Fulton city limits (Chapter 155)

  • The table of contents lists these district groups: single-family dwelling district, one-half single-family dwelling district, multiple family dwelling district, business district, outlying business district, industry district.
  • The district map and the rules for the multiple-family, business, outlying business and industry districts were not opened.

  “one-half single-family dwelling district multiple family dwelling district business district outlying business district industry district”

• Minimum lot sizeSpecified

  One-family dwellings in the single-family dwelling district of Fulton city (§155.057)

  • Lots platted and recorded before the chapter's adoption, held as a single tract, may be improved with a single-family dwelling if the total lot area is at least 4,000 square feet and lot coverage stays within 75% of the normal limit.
  • Ordinance history: ord. 855 passed 10-7-86.

  minimum lot area: >= 6000 square feet (pre-existing platted and recorded single tracts: total lot area not less than 4,000 square feet (see conditions)) · minimum lot width: >= 60 feet (pre-existing platted and recorded single tracts (see conditions))

  “every dwelling hereafter erected or structurally altered as a one-family dwelling in the single-family dwelling district shall be on a lot having an area of not less than 6,000 square feet and a width of 60 feet”

• SetbacksSpecified

  Main buildings on lots in the single-family dwelling district of Fulton city (§§155.053-155.055); accessory buildings under §155.058

  • Front yard: where a dwelling's block frontage is 70 feet or more, the front yard may be the average depth of existing dwelling front yards on the same street, counting depths over 50 feet and under 20 feet as 20 feet (§155.053).
  • Accessory buildings may not encroach on required front, side or rear yards; an accessory building within 10 feet of the main building counts as part of it for rear-yard purposes; one more than 10 feet away may not be closer than 2 feet to the rear lot line; a garage entered from an alley with its door parallel to the alley may not be closer than 10 feet to the alley line (§155.058).
  • Ordinance history: ord. 855 passed 10-7-86; §155.058 amended by ord. 1219 passed 7-15-03.

  front yard depth: >= 20 feet (average of existing front yards on the same block where the frontage rule in §155.053 applies) · rear yard depth: >= 10 feet · interior side yard: >= 5 feet (required side yard is 7 feet or 10% of average lot width, whichever is less, but never less than 5 feet) · corner lot street-side yard: >= 10 feet

  “in the single-family dwelling district, there shall be a rear yard having a depth of not less than ten feet.”

• Lot coverageSpecified

  Lots in the single-family dwelling district of Fulton city (§155.056)

  • Covers main buildings, structures and accessory buildings together.
  • Ordinance history: ord. 855 passed 10-7-86.

  maximum lot coverage: <= 40 percent of lot area

  “not more than 40% of the area of a lot in a single-family dwelling district may be covered by main buildings, structures or accessory buildings.”

• Building heightSpecified

  Buildings erected or enlarged in the single-family dwelling district of Fulton city (§155.051)

  • Ordinance history: ord. 855 passed 10-7-86.

  maximum building height: <= 35 feet · maximum building stories: <= 2.5 stories

  “no building in the single-family dwelling district shall be erected or enlarged to exceed two and one-half stories or 35 feet in height.”

• Living in an RVProhibited

  Occupying a recreational vehicle, camping trailer, motor home or other regulated vehicle as a dwelling on land in Fulton city, except in a mobile home park (§155.059(g), in the single-family district part of chapter 155)

  • Parked regulated vehicles in a single-family district may only be parked behind the front setback line, within two feet of the front property line, and two feet from the side yard setback (§155.059(b)).
  • Exception stated: mobile home park.
  • Ordinance history: ord. 1636 passed 8-26-19.

  “(g) no occupancy of a regulated vehicle of any type is permitted, except in a mobile home park. (ord. 1636, passed 8-26-19)”

Still unanswered

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

• Building permit — New construction or structural alteration in Fulton city
• Owner-builder exemption — Owner-builder construction in Fulton city
• Building code adopted — Construction in Fulton city
• Inspections — Construction inspections in Fulton city
• Certificate of occupancy — Occupancy of new or altered buildings in Fulton city

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.