Bolthole Index

Box Elder County, Utah

Building permits, zoning and septic in Brigham City, Utah

New homes in Brigham City, Utah need building permits through the city building office under Utah’s construction-permit framework.12 Brigham City sets its own zoning, including district-specific minimum lot areas.34 For land in Box Elder County without available sewer, Bear River Health Department requires septic approval; state rules require public sewer connection when available and practicable.56

At a glance

Building permits
City building office; state construction-permit requirements apply12
Zoning
City zoning districts apply inside city limits3
Minimum lot area
District-specific; single-family lots in R-1-6 require at least 6,000 square feet4
Wastewater
Public sewer when available and practicable; otherwise an approved wastewater system6
Septic permits
Bear River Health Department for properties without available sewer5
Owner-builder
State contractor-license exemption has conditions and does not waive building permits7

Who to call

Building permits

Brigham City Community and Economic Development — Building Permits and Inspections

City building permit processing, plan review and inspection scheduling

(435) 734-6604

20 N. Main, 2nd Floor Brigham City, UT 84302

Planning & zoning

Brigham City Planning & Zoning

City land-use, zoning and subdivision questions

(435) 734-6616

Septic permits

Bear River Health Department — Environmental Health

Septic applications, site evaluation and wastewater design requirements

Septic permits

Bear River Health Department — Brigham Office

Local health department contact for septic questions

(435) 792-6500

817 West 950 South Brigham City, Utah 84302

Contact details are copied from each office’s official page and were checked against it on October 15, 2026.

Off-grid gear

Going off-grid in Brigham City means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Brigham City, Utah?

New residential construction in Brigham City falls under Utah’s construction-permit framework, with permits issued by the local compliance agency rather than the state licensing division.1 Brigham City adopts the state construction code, including its appendixes and amendments.8 Start with the city building office for application submittal, plan review and inspection scheduling.2

An owner-builder exemption concerns contractor licensing, not exemption from building permits, inspections or construction codes.7 Ask the city building office which application documents, project fees and inspections your proposed home requires.2

Who handles building permits and zoning in Brigham City?

Brigham City Community and Economic Development lists building permit processing, application submittal and inspection scheduling among its services; call (435) 734-6604.2 The city building office also handles plan review and code interpretation.2 Brigham City Planning & Zoning administers city land-use, zoning and subdivision ordinances; call (435) 734-6616 for parcel and proposed-use questions.9

Septic approval remains a separate health-department task: Bear River Health Department requires a septic permit for construction, alteration or repair where sewer lines are unavailable.5 Reach the Brigham health office at (435) 792-6500.10

Does Brigham City have zoning, and how large must a lot be?

Brigham City has its own zoning districts, including agricultural, rural-residential and residential districts.11 Minimum lot area for a single-family dwelling depends on the residential district: R-1-40 requires 40,000 square feet, R-1-20 requires 20,000 square feet, and R-1-6 requires 6,000 square feet.4 Additional lot area per dwelling unit applies in the multifamily districts.4

Ask Brigham City Planning & Zoning to identify the parcel’s district and confirm the proposed use before choosing a house plan.9 We could not confirm city-specific RV occupancy, tiny-home occupancy, setbacks or minimum dwelling size; take those questions to the city planning office before committing to a parcel.9

How do septic permits work inside Brigham City?

For a Brigham City dwelling covered by Utah’s onsite wastewater rule, connection to public sewer is required when available and practicable; otherwise an adequate onsite system or another acceptable wastewater system is required.6 Bear River Health Department requires a septic permit before constructing, altering or repairing a septic system where sewer lines are unavailable.5

Bear River Health Department bases septic design and location standards on soil conditions, the site plan and percolation test results.5 Resolve the sewer-or-septic question before finalizing the house location, and ask the Brigham health office about a site evaluation for a proposed onsite system.6510

What should you check before building a home in Brigham City?

Start with Brigham City Planning & Zoning to identify the parcel’s zoning and discuss the intended dwelling and any proposed subdivision.9 Next, resolve public sewer availability or septic feasibility with the city and Bear River Health Department before fixing the building footprint.65 Then ask the city building office for the application, plan-review requirements and inspection schedule for the project.2

For a driveway connecting to a state highway, Utah requires a conditional access permit, including when land use or access intensity changes.12 For land outside city limits, consult the Box Elder County guide for the county building-permit and zoning answers: county authority generally applies to unincorporated land.1314

Watch-outs

  • We could not confirm permission to occupy an RV or tiny home on a private Brigham City lot; ask Brigham City Planning & Zoning about the exact parcel and proposed use.9
  • Utah’s agricultural construction exemption does not automatically cover an in-city barn: city-boundary acreage conditions apply, and plumbing, electrical or mechanical work may still require a permit.15

Sources

  1. Utah Code Title 15A, State Construction and Fire Codes Act (Utah statewide rule), quoted and re-checked
  2. Brigham City Community and Economic Development — Building Permits and Inspections (bcutah.gov)
  3. Brigham City Code 156.070 Establishment of zoning districts (Brigham City), quoted and re-checked
  4. Brigham City Code 156.113 Area regulations (Brigham City), quoted and re-checked
  5. Bear River Health Department — Environmental Health (brhdut.gov)
  6. DAR File No. 37575, Rule R317-4, Onsite Wastewater Systems (Utah statewide rule), quoted and re-checked
  7. Utah Code Title 58, Chapter 55, Construction Trades Licensing Act exemptions (Utah statewide rule), quoted and re-checked
  8. Brigham City Code Chapter 150: Building Regulations; Construction (Brigham City), quoted and re-checked
  9. Brigham City Planning & Zoning (bcutah.gov)
  10. Bear River Health Department — Brigham Office (brhdut.gov)
  11. Brigham City Code 156.070 Establishment of zoning districts (Brigham City), quoted and re-checked
  12. Conditional Access Permit (Utah statewide rule), quoted and re-checked
  13. Utah Code Section 17-60-204, County safety and welfare regulations (Utah statewide rule), quoted and re-checked
  14. Utah Code, Title 17, Chapter 79, Section 17-79-101 (Utah statewide rule), quoted and re-checked
  15. Utah Code § 15A-1-204 (Utah statewide rule), quoted and re-checked

Written October 15, 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 Brigham City

Brigham City’s own rules

  • Building code adoptedAdopted

    Construction inside Brigham City

    • Adopts the state construction code under U.C.A. Title 15A, Chapter 2, including appendixes and amendments.
    “additional codes adopted by the state, under the state’s construction code adoption act, being u.c.a. title 15a, chapter 2, or its successor statute, and the state’s construction code, shall also be considered code in the municipality, including all appendixes and amendments.”
  • Local zoningPresent

    Land inside Brigham City limits

    • Zoning is Chapter 156 of the city code.

    number of zoning districts: 21 districts

    “for the purposes of this chapter, the territory of the local jurisdiction to which this chapter applies is divided into 21 zoning districts, as follows:”
  • Zoning districtsPublished

    Zoning districts inside Brigham City

    • Districts include MU-40/80/160, A-1, A-5, RR-1/5/10, R-1-40 through R-1-6, R-M-7/15/30, plus commercial, industrial and planned districts.
    “(d) agricultural district a-1; (e) agricultural district a-5; (f) rural residential district rr-1; (g) rural residential district rr-5;”
  • Minimum lot sizeDistrict specific (with conditions)

    Single-family dwelling lots in Brigham City residential districts R-1-40 through R-M-30

    • Additional lot area per dwelling unit applies in R-M districts.
    • Agricultural and rural-residential district lot sizes not captured.

    R-1-40: >= 40000 sq ft · R-1-20: >= 20000 sq ft · R-1-12: >= 12000 sq ft · R-1-10: >= 10000 sq ft · R-1-8: >= 8000 sq ft · R-1-6: >= 6000 sq ft · R-M-7: >= 7000 sq ft · R-M-15: >= 8000 sq ft · R-M-30: >= 8000 sq ft

    “the minimum lot area in square feet for any single-family dwelling structure in the districts regulated by this chapter shall be: r-1-40 r-1-20 r-1-12 r-1-10 r-1-8 r-1-6 r-m-7 r-m-15 r-m-30 40,000 20,000 12,000 10,000 8,000 6,000 7,000 8,000 8,000”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Brigham City or Box Elder County directly.

  • Building permit — Building permits inside Brigham City
  • Owner-builder exemption — Owner-builders inside Brigham City
  • Inspections — Building inspections inside Brigham City
  • Certificate of occupancy — Certificates of occupancy inside Brigham City
  • Minimum dwelling size — Minimum dwelling size inside Brigham City
21 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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 Brigham City publishes no rule on the point, not that none exists. Box Elder County’s page lists the county offices to call.

← All of Box Elder County: county rules, score and offices