Bolthole Index

Piute County, Utah

Zoning, building permits and septic rules in Town of Marysvale, Utah

Town of Marysvale is a town in Piute County, Utah. Town of Marysvale adopts its own zoning, so inside its limits Town of Marysvale’s rules apply, not the county’s. Septic permits inside Town of Marysvale come from the county and state together. 16 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Piute County page.

Answers from the rulebook for Town of Marysvale

Town of Marysvale’s own rules

  • Building permitRequired

    Buildings or structures greater than 200 square feet inside Marysvale town

    • Applies to erecting, constructing, reconstructing, altering or changing use of a building greater than 200 sq ft.
    • Permit not issued unless plans conform to Title 12.
    • Applications go to planning commission and town council before the building official issues the permit (12-500.3).

    size threshold: > 200 square feet

    “it shall be unlawful to erect, construct, reconstruct, alter or change the use of any building or other structure greater than 200 square feet within the incorporated areas of marysvale town without approval of a building permit.”
  • Certificate of occupancyLimited

    Buildings structurally altered, erected or changed in use for a nonconforming use inside Marysvale town

    • Text found only in the nonconforming-use chapter; a general CO rule for new dwellings was not located.
    “12-800.3.4 certificate of occupancy required. no building hereafter structurally altered or erected shall be used or changed in use for a nonconforming use until a certificate of occupancy has been issued by the building official”
  • Local zoningPresent

    All land inside Marysvale town limits

    • The PDF on the town site is stamped 'adopted November 15, 2024' but has unsigned adoption block and tracked-change marks; confirm the final adopted version.
    “this ordinance shall govern and apply to the usage of all lands within the municipal boundaries of marysvale town, piute county, state of utah”
  • Zoning districtsPublished

    Zoning districts inside Marysvale town

    • Boundaries are on the 'zoning map of marysvale town utah' filed at the town office.
    “the following zones are created as necessary to regulate the development of the land in marysvale town, utah: zone abbreviation agricultural a commercial c industrial i public p residential-1 r-1 residential-2 r-2”
  • Minimum lot sizeSpecified

    Residential-1 (R-1) zone inside Marysvale town

    • Lots with onsite septic and well must be at least 1 acre per local health department standards.

    R-1 minimum lot area: >= 1 acre · R-1 minimum width: >= 100 feet

    “zone area width front setback side setback rear setback r-1 1 acre 100 feet 25 feet 10 feet 20 feet r-2 5 acres 100 feet 25 feet 10 feet 20 feet”
    One more reviewed finding on this topic
  • SetbacksSpecified

    R-1 and R-2 residential zones inside Marysvale town (same setbacks both)

    • Accessory buildings and ADUs: 10 ft from other structures, 30 ft front, 10 ft side/rear (12-600.4).

    front setback: >= 25 feet · side setback: >= 10 feet · rear setback: >= 20 feet

    “zone area width front setback side setback rear setback r-1 1 acre 100 feet 25 feet 10 feet 20 feet r-2 5 acres 100 feet 25 feet 10 feet 20 feet”
  • Building heightSpecified

    Dwellings and accessory buildings in residential zones (R-1, R-2) inside Marysvale town

    • Greater height possible if specifically approved by the building official.

    maximum height: <= 35 feet or 2 stories (unless specifically approved by the building official)

    “no dwelling or accessory building shall be erected to a height greater than 2 stories above grade or 35 feet, unless specifically approved by the building official.”
  • Living in an RVLimited

    Recreational vehicles for permanent living inside Marysvale town

    • Permanent living means occupying an RV longer than 30 consecutive days; temporary living is under 30 consecutive days.
    • Violation is a class C misdemeanor, each day a separate offense.
    • Unoccupied RVs may be stored on private lots within setbacks.
    • On vacant lots no RV may be connected to permanent utilities outside licensed RV parks.

    permanent living threshold: > 30 consecutive days

    “no recreational vehicle as herein defined shall be located, placed, used or occupied for permanent living purposes in any district except within approved and licensed recreational vehicle parks and except as otherwise provided herein.”
  • Manufactured homesLimited

    Occupied mobile homes inside Marysvale town

    • Requires approval of planning commission, town council and building official.
    • Title 12 refers to a separate Marysvale town mobile home ordinance, not opened.
    “no occupied mobile home shall be located anywhere within the incorporated areas of marysvale town without approval of the planning commission, town council and building official.”
  • Accessory dwellingsAllowed (with conditions)

    ADUs in all zoning districts inside Marysvale town

    • One ADU per lot or parcel.
    • Written local health department approval for added wastewater demand.
    • Written town council approval for added culinary water demand; connection not granted if demand exceeds capacity.
    • Setbacks: 10 ft from other buildings, 30 ft front, 10 ft side/rear.

    maximum ADU size: <= 1250 square feet (or 50% of main dwelling, whichever is less)

    “one adu per lot or parcel shall be permitted in all zoning districts. the adu shall: 1. not exceed 50% of the main dwelling or 1,250 square feet, whichever is less;”
  • Septic permitRequired

    Building permits needing a new wastewater system inside Marysvale town

    • Permit issued by local health department (Central Utah Public Health Department) or DEQ; town approval first.
    “any building permit requiring a new wastewater system shall require town approval prior to issuance of the permit from the local health department or deq.”
  • Subdividing landRegulated (with conditions)

    Subdivisions inside Marysvale town

    • Title 12-1600 contains a full subdivision chapter (plats, improvements, exemptions) not read in detail.
    “no building permit shall be issued for any lot in a proposed subdivision until the requirements of this ordinance have been met.”
  • Short-term rentalsLimited

    Short-term rentals inside Marysvale town (Ordinance 2023-12-700.7, adopted January 17, 2023)

    • Conditional use in agricultural and residential districts; permitted in commercial.
    • One STR per parcel; main dwelling or ADU, not both.
    • Requires self-inspection, conditional use permit if applicable, and town business license.
    • Transient room and sales taxes must be collected and remitted.
    “short-term rentals shall be a permitted use in commercial zoning districts a conditional use in the following zoning districts: a. agricultural; and b. residential.”
  • Permit processPartial

    Building permit applications inside Marysvale town

    • Each application includes a set of building plans and data showing Title 12 compliance.
    • Conditional uses need planning commission recommendation and town council approval.
    “applications for building permits and amendments thereto shall be submitted to the planning commission and town council for review and approval prior to review and permit issuance from the building official.”

Rules another office applies inside Town of Marysvale

Town of Marysvale does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Marysvale or Piute County directly.

  • Owner-builder exemption — Owner-builders inside Marysvale town
  • Inspections — Building inspections inside Marysvale town
  • Minimum dwelling size — Residential districts R-1/R-2
  • Lot coverage — Residential districts
  • Camping on your land — Inside Marysvale town
9 more unanswered
  • Tiny homes
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • 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 Town of Marysvale publishes no rule on the point, not that none exists. Piute County’s page lists the county offices to call.

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