Morgan County, UT zoning map, flood zone and property lines by address
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Towns in Morgan County: Morgan, Mountain Green.
Flood zone by address
ParcelSheet reads FEMA's National Flood Hazard Layer at the lot: the zone, whether it is a high risk area where lenders ask for flood insurance, and the base flood elevation where FEMA lists one. FEMA's countywide study for Morgan County has 46 FIRM panels, the newest effective December 2017; no coastal V zones are mapped in it.
The official panel and any Letter of Map Amendment are at FEMA's Map Service Center. An elevation certificate for a Morgan house comes from a licensed surveyor and is often on file with the county or city building office.
Property lines
The parcel outline, parcel number and mapped size come from the Utah Geospatial Resource Center (UGRC), statewide parcels from county recorders and assessors, so a Morgan lot shows the same lines the county assessor draws. Morgan County covers about 389,886 acres of land and 1,096 acres of water.
Mapped lines are approximate. The Morgan County assessor keeps the parcel record (Morgan County website); a licensed surveyor sets the true corners.
Zoning
Morgan County zones its unincorporated land, and Morgan zones the land inside its limits. ParcelSheet shows the use the county assessor lists for the lot and links the county planning and zoning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under Utah's County Land Use, Development, and Management Act (Utah Code Title 17, Chapter 79), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Morgan lot can add one depends on its district; the county planning and zoning office has the rule. ParcelSheet shows the mapped lot size and the ground's slope, the first two things the question turns on.
Septic and soil
ParcelSheet reads the USDA soil survey at the lot: the soil's name, its septic absorption rating and whether it is prime farmland. Morgan County is soil survey area UT609, Morgan Area, Utah - Morgan County and Part of Weber County, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Morgan County needs a permit from the local health department that serves Morgan County (under Utah DEQ onsite wastewater rules, R317-4).
Setbacks
Setbacks in Morgan County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; the county zoning office gives them for the lot's district, and Morgan for land inside its limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Morgan lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Morgan County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA's countywide flood map for Morgan County has 46 panels, the newest effective December 2017. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Morgan County?
Open the Utah map, type the address, and the parcel outline from the Morgan County assessor shows on the map with its parcel number and mapped size. Mapped lines are approximate; only a licensed surveyor sets the true corners.
What is my property zoned in Morgan County?
Zoning in Morgan County is set by the county for unincorporated land and by each city (such as Morgan) inside its own limits. ParcelSheet shows the use code the county assessor lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Morgan County?
Under Utah's County Land Use, Development, and Management Act (Utah Code Title 17, Chapter 79), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Morgan County ask the zoning office for the lot's district first; ParcelSheet shows the lot size as mapped so you can see the room you have.
Do I need a septic permit in Morgan County?
Yes. A new or changed septic system in Morgan County needs a permit from the local health department that serves Morgan County (under Utah DEQ onsite wastewater rules, R317-4). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area UT609 (Morgan Area, Utah - Morgan County and Part of Weber County).
What can I build on 5 acres in Morgan County?
Zoning in Morgan County is set by the county for unincorporated land and each city inside its own limits (such as Morgan). The zoning district decides the uses, how many homes and the smallest lot it allows on 5 acres. ParcelSheet shows the lot size as mapped and the use code on the parcel record; the planning office has the district and its rules. See the Morgan County website.
What are the residential setbacks in Morgan County (2026)?
Setbacks in Morgan County come from the zoning code of the county, or of the city when the lot is inside city limits: the front, side and rear distances depend on the lot's district. ParcelSheet does not draw setback lines or give a number it did not read; the zoning office gives them for the district. See the Morgan County website.
Next to Morgan County: Davis County, Rich County, Salt Lake County, Summit County, Weber County.
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