Bolthole Index

Webster County, Iowa

Zoning, building permits and septic rules in Duncombe, Iowa

Duncombe is a city in Webster County, Iowa. 3 rules below are quoted from official sources and independently re-checked, most recently on November 1, 2026. Rules for unincorporated land are on the Webster County page.

Answers from the rulebook for Duncombe

Duncombe’s own rules

  • Building permitRequired

    Construction and listed improvements inside Duncombe city limits, as stated by the City of Duncombe building permits page

    • Construction may proceed only after the permit is approved; the page says not to begin the project until permit approval is received.
    • Permit fee tiers are listed on the same page; permits with a $25 fee are approved by public works and permits over $25 require council approval.
    “you are required to obtain and have an approved building permit before beginning your project.”
  • Permit feesPublished (with conditions)

    Building permits issued by City of Duncombe for residential and commercial work inside city limits

    • Fee tiers are listed on the city web page; no effective date is stated on the page.

    building permit fee - fence, shed under 120 sq. ft., deck, driveway work, roofing, siding, windows and doors (where dimensions change): 25 USD · building permit fee - residential unattached garage; residential accessory building/shed over 120 sq. ft.: 50 USD · building permit fee - residential one family structure: 100 USD · building permit fee - residential multi-family structure; commercial/industrial construction under $100,000: 250 USD · building permit fee - commercial/industrial construction over $100,000: 500 USD

    “$100 building permit fee: residential one family structure”
  • Permit processPublished (with conditions)

    Building permit application process for work inside City of Duncombe

    • Forms are offered as downloads or by phone from city offices; the page says to download the forms (if available) or call.
    • Permits with a $25 fee are approved by public works; permits over $25 require council approval at a council meeting.
    “permits with a $25 fee can be approved by public works.”

Still unanswered

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

  • Owner-builder exemption — Whether owners may build their own home in Duncombe city under an owner-builder exemption
  • Building code adopted — Which building code Duncombe city adopts for construction inside city limits
  • Inspections — Whether Duncombe city requires building inspections
  • Certificate of occupancy — Whether a certificate of occupancy is issued for new homes inside Duncombe city
  • Local zoning — Whether Duncombe city adopts and administers its own zoning ordinance
19 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • 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 Duncombe publishes no rule on the point, not that none exists. Webster County’s page lists the county offices to call.

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