Bolthole Index

Summit County, Utah

Building permits, zoning and septic rules in Coalville, Utah

Coalville, Utah has a city Building Department, and construction regulated by Utah’s State Construction Code requires a local construction permit, subject to code exemptions.12 Coalville administers its own zoning inside city limits in Summit County.3 Summit County Health Department handles onsite wastewater permits, but Coalville limits where private septic systems may be used.45

At a glance

Building permits
City Building Department; state construction-code requirements and exemptions apply12
Zoning
Coalville City zoning applies inside city limits3
Septic permits
Summit County Health; private systems limited to qualifying AG-20 and RA-5 lots of at least 1 acre where city sewer connection is infeasible45
Sewer connection
Required for structures and development less than 300 feet from the specified city sewer line or city-served development6
Park model trailers
Only in designated RV park or campground areas; city installation permit and inspection required78
Residential height
Buildings for human habitation limited to 35 feet in the listed residential zones9

Who to call

Building permits

Coalville City Building Department

City building-permit questions and scheduling inspections

435-336-5981

Planning & zoning

Coalville City Community Development Director

City zoning and development questions

435-901-0201

Septic permits

Summit County Health Department — Onsite Wastewater

Septic feasibility, wastewater applications and final inspections

435-336-3224

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Coalville 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.

Do you need a building permit in Coalville, Utah?

Construction in Coalville that is regulated by Utah’s State Construction Code requires a permit from the local compliance agency; code exemptions can change the answer for a particular project.2 Coalville has its own Building Department, so take a proposed house, addition or remodel to the city for a project-specific determination.1

Coalville expressly requires a city installation permit for recreational park trailers, with an application by the owner or installer on city forms and a City Council-set fee.810 We could not confirm Coalville’s current building-permit fee amounts or a city owner-builder exemption; ask the city Building Department before budgeting or starting work.1

Who handles Coalville building permits and zoning questions?

For Coalville building-permit questions and inspection scheduling, the city directory lists the Building Department at 435-336-5981.1 For Coalville zoning and development questions, the directory lists the Community Development Director under Planning and Zoning at 435-901-0201.11

Coalville’s zoning districts govern land inside the city boundary.3 For land outside Coalville city limits, use the Summit County guide: county development codes govern unincorporated land around Coalville.12 Septic approval remains with Summit County Health Department rather than the city building or planning office.4

Does Coalville have zoning, lot-size rules and height limits?

Coalville adopts its own zoning districts and incorporates the zoning map and boundaries into its Development Code.313 Coalville’s district list describes AG-20 as an Agricultural Zone with 1 lot per 20 acres and RA-5 as a Residential Agriculture Zone with 1 lot per 5 acres; those descriptions are district-specific, not a citywide minimum lot size.13

Buildings intended for human habitation may not exceed 35 feet in Coalville’s RA-5, R-1, R-2, R-4 and R-8 residential zones.9 Before choosing a house footprint, ask the city Community Development Director to identify the parcel’s district and applicable setbacks; we could not confirm a minimum primary-dwelling floor area.11

How do septic permits work inside Coalville?

Coalville requires sewer connection for subdivisions, developments and structures less than 300 feet from an existing or proposed city sewer line or a city-served subdivision or development.6 Private septic is limited to qualifying AG-20 and RA-5 lots of at least 1 acre where city sewer connection is not feasible.5 A large lot alone therefore does not establish eligibility for septic in Coalville.5

For eligible Coalville sites, Summit County Health Department requires an onsite soil evaluation and percolation test, then issues the wastewater permit after approving the application.14 The health department inspects the installed system before backfill; the installer or owner must provide 48 hours’ notice.15 Resolve sewer eligibility with the city before paying for septic design.65

Can you live in an RV or tiny home on Coalville land?

Coalville allows recreational park model trailers to operate only within a designated recreational vehicle park or campground area.7 A Coalville park trailer needs a city installation permit, and occupancy of a park trailer or RV covered by an installation permit must wait for city inspection and approval.816 Commercial RV parks and campgrounds also require Conditional Use Approval.17

Coalville’s commercial campground and park-trailer provisions do not establish permission to live in an ordinary RV on a private residential parcel while building.177 We could not confirm a separate Coalville tiny-home occupancy rule; describe the proposed dwelling and temporary living arrangement to the city Community Development Director before purchasing land for that purpose.11

What are the steps before building a home in Coalville?

  1. Ask Coalville’s Community Development Director to confirm the parcel’s zoning district and the approvals needed for the proposed use.113
  2. Resolve city sewer connection first; private septic is available only under Coalville’s district, acreage and sewer-feasibility conditions.65
  3. If septic is eligible, arrange the soil evaluation, percolation test and wastewater application with Summit County Health Department.14
  4. Take the construction proposal to Coalville’s Building Department and confirm permit requirements, applicable exemptions, fees and inspection arrangements.12

Before closing on Coalville land, ask the city planning office about floodplain development approval and manufactured-home eligibility; we could not confirm city-specific answers for those topics.11 For a shallow well, Utah requires a valid water right and a Start Card before construction, with a licensed well driller or licensed shallow-water-well constructor.18

Watch-outs

  • Coalville’s sewer proximity rule can require a sewer connection even when a buyer wants an off-grid septic system.6
  • Coalville park-model-trailer permission is limited to designated RV park or campground areas, not general permission for residential lots.7
  • We could not confirm Coalville’s general certificate-of-occupancy requirements; ask the city Building Department what approval is required before moving into a new home.1

Sources

  1. Coalville City Building Department (coalvillecity.gov)
  2. Utah Code Title 15A, State Construction and Fire Codes Act (Utah statewide rule), quoted and re-checked
  3. Coalville Development Code § 08-010 Establishment of Zones (Coalville), quoted and re-checked
  4. Local Health Departments and District Engineers, quoted and re-checked
  5. Summit County Health Department Permitting New Septic System (Coalville), quoted and re-checked
  6. Coalville Development Code § 31-080 Sewer Facilities (Coalville), quoted and re-checked
  7. Coalville Development Code § 25-050 Location (Coalville), quoted and re-checked
  8. Coalville Development Code § 25-030 Installation (Coalville), quoted and re-checked
  9. Coalville Development Code § 10-060 Setback Requirements (Coalville), quoted and re-checked
  10. Coalville Development Code § 25-030 Installation (Coalville), quoted and re-checked
  11. Coalville City Community Development Director (coalvillecity.gov)
  12. Development Codes for Summit County, Utah, quoted and re-checked
  13. Coalville Development Code § 08-010 Establishment of Zones (Coalville), quoted and re-checked
  14. Summit County Health Department — Onsite Wastewater (summitcountyhealth.org)
  15. Summit County Health Department Septic Inspection Process (Coalville), quoted and re-checked
  16. Coalville Development Code § 25-040 Inspection Required (Coalville), quoted and re-checked
  17. Coalville Development Code § 24-010 Conditional Use Approval Required (Coalville), quoted and re-checked
  18. Water Well Drilling Information (Utah statewide rule), quoted and re-checked

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Coalville

Coalville’s own rules

  • Building permitLimited

    Installation of a recreational park trailer inside Coalville City.

    • The permit requirement is specific to recreational park trailers and does not establish a universal permit rule for every structure.
    “No person or firm shall install a Recreational Park Trailer in the City without complying with the standards adopted herein or prior to obtaining an installation permit from the City.”
  • InspectionsLimited

    Recreational park trailers and recreational vehicles covered by a Coalville City installation permit.

    • Occupancy is barred until the city inspection and approval are complete.
    “The City shall inspect the installation of each such recreational park trailer, or recreational vehicle covered by an installation permit”
  • Local zoningPresent

    Land inside Coalville city limits; Coalville City adopts and administers its own zoning districts.

    “The Legislative Body hereby divides the City into the following zones”
  • Zoning districtsPublished

    Coalville City zoning districts.

    • The zoning map and boundaries are incorporated into the Development Code; listed districts include AG-20, RA-5, R-1, R-2, R-4, R-8, CC, HC, LI, PFO, SLO, and MUO.
    “AG-20: Agricultural Zone (1 Lot per 20 acres) RA-5: Residential Agriculture Zone (1 Lot per 5 acres)”
  • Living in an RVLimited

    Recreational park model trailers and RVs inside Coalville City limits.

    • Recreational park model trailers may operate only within a designated recreational vehicle park or campground; installation requires a city permit and inspection; occupancy is prohibited until inspection and approval.
    “Recreational Park Model Trailers are only allowed to operate within a designated recreational vehicle park and campground area.”
  • Camping on your landLimited

    Commercial RV parks and campgrounds inside Coalville City limits.

    • Conditional Use Approval is required; RV or camping sites must meet the city development standards.
    “A Conditional Use Approval for a commercial recreational vehicle (RV) park or campground facility must be issued”
  • Mandatory utility hookupSewer (with conditions)

    All subdivisions, developments, and structures inside Coalville City limits that are within 300 feet of an existing or proposed city sewer line or a subdivision/development served by the city.

    • Connection must use sizes required by the City Public Works Director and City Engineer; sewer extensions or connections outside city limits are prohibited unless the property is annexed.

    distance to city sewer or served subdivision/development: < 300 feet (Connection required)

    “A connection to the City sewer system will be required for all subdivisions, developments and structures that are less than three hundred feet (300')”
  • Permit processPartial

    Recreational park trailer installation permits and related city permit applications.

    • Applications must use city-provided forms, be submitted by the owner or installer, and include payment of a City Council-set fee; other building-permit processes were not fully located.
    “Such permits shall be granted only after proper application by the owner or installer made upon forms provided by the City and the payment of a fee set by the City Council.”

Rules another office applies inside Coalville

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

  • Building heightSpecified

    RA-5, R-1, R-2, R-4, and R-8 residential zones inside Coalville City limits.

    • Agricultural accessory structures not used for human occupancy may exceed 35 feet only on lots of at least five acres and with Conditional Use Approval.

    maximum height for buildings intended for human habitation: <= 35 feet (Agricultural accessory structures not used for human occupancy)

    “No lot or parcel of land in the Residential Zones shall have a building intended for human habitants which exceeds a height of thirty-five feet (35').”
  • Septic permitRequired

    Private onsite wastewater systems inside Coalville City.

    • A wastewater permit is issued after approval of submitted plans; city code limits private systems to qualifying AG-20 and RA-5 lots at least one acre where city sewer connection is not feasible.

    minimum lot size: >= 1 acre (Only where connection to the City sewer system is not feasible)

    “Once the application is approved, you will receive your onsite wastewater permit.”
  • Septic inspectionRequired

    Private onsite wastewater systems inside Coalville City.

    • Inspection must occur after installation but before backfilling; installer or property owner must give 48 hours' notice.

    advance notice: 48 hours (Before backfill)

    “Once the system is installed, but prior to backfilling the system, the health department will perform the final inspection.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder licensing or building-permit exemptions for construction inside Coalville City.
  • Certificate of occupancy — Buildings and structures inside Coalville City limits.
  • Minimum dwelling size — Primary dwellings inside Coalville City limits.
  • Lot coverage — Primary development inside Coalville City limits.
  • Tiny homes — Tiny-home occupancy inside Coalville City limits.
5 more unanswered
  • Manufactured homes
  • Well permit
  • Agricultural exemption
  • 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 Coalville publishes no rule on the point, not that none exists. Summit County’s page lists the county offices to call.

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