Zoning, building permits and septic rules in Gilbert, Iowa

Gilbert’s own rules

• Building permitRequired

  New construction, additions, garages and projects over 1,000 square feet inside Gilbert city limits

  • The permit application heading lists new construction, addition, garage and projects over 1,000 square feet.
  • Permit is valid for 1 year; work must commence within 180 days of issuance.

  “work must not commence until all associated fees are paid and an approved building permit issued.”

• InspectionsRequired

  Permitted construction inside Gilbert city limits, inspected by the city building inspector

  • Required inspections listed: footing, foundation, foundation insulation, groundwork plumbing, plumbing, electrical, mechanical, framing, insulation; some circumstances may require additional inspections.
  • The building inspector can require construction to be removed if the appropriate inspections were not completed.

  inspection notice: >= 1 business day

  “1 business day notice is required on all inspections.”

• Local zoningPresent (with conditions)

  Land inside Gilbert city limits

  • The zoning ordinance text was not opened; this claim rests on the city's May 2021 building permit application, which lists the city's zoning districts and setbacks.
  • Does not apply to the county's unincorporated area.

  “below are the required setbacks for each zoning district:”

• Zoning districtsPartial

  Zoning districts inside Gilbert city limits

  • The permit form lists district codes only; a district map or ordinance text was not located.

  “zoning: □ r1 □ r1a □ r2 □ r3 □ r4 □ c1 □ c2 □ c3 □ m1 □ p/i”

• SetbacksSpecified

  R1 single-family residential district inside Gilbert city limits

  • Setbacks as stated on the city's 2021 permit application; the zoning ordinance itself was not opened.

  front yard: 25 feet · side yard (each side): 6 feet · rear yard: 25 feet

  “r1 & r1a – single family residential front yard – 25 feet side yard – 6 feet on each side rear yard – 25 feet (r1), 20 feet (r1a)”

  One more reviewed finding on this topic

  • Specified — R1A single-family residential district inside Gilbert city limits

    “r1 & r1a – single family residential front yard – 25 feet side yard – 6 feet on each side rear yard – 25 feet (r1), 20 feet (r1a)”

• Lot coverageSpecified

  R1 (30%) and R1A (35%) single-family residential districts inside Gilbert city limits

  • Maximum lot coverage as stated on the city's 2021 permit application; zoning ordinance not opened.

  maximum lot coverage, R1: <= 30 percent · maximum lot coverage, R1A: <= 35 percent

  “lot coverage – 30% max (r1), 35% max (r1a)”

• Building heightSpecified

  R1 and R1A single-family residential districts inside Gilbert city limits

  • Height limit as stated on the city's 2021 permit application; zoning ordinance not opened.

  maximum building height: <= 2.5 stories or 35 feet

  “height – shall not exceed 2.5 stories or 35 feet”

• Permit processPartial

  Building permit process inside Gilbert city limits

  • Form lists application contents (site plan and building plan), inspection notice, and permit validity; the full process and plan-review steps were not located in the city code.

  “a pre-construction conference with the building plan reviewer may be required prior to the issuance of the permit.”

Still unanswered

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

• Owner-builder exemption — Owner-builder construction inside Gilbert city limits
• Building code adopted — Building construction inside Gilbert city limits
• Certificate of occupancy — Completed housing inside Gilbert city limits
• Minimum dwelling size — Minimum dwelling size inside Gilbert city limits
• Minimum lot size — Minimum lot size for R1 and R1A districts inside Gilbert 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.