Lamoille County, VT zoning map, flood zone and property lines by address
Free, no account. Or open the Vermont map and tap a lot.
Towns in Lamoille County: Morristown, Morrisville, Johnson.
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 has 63 FIRM panels covering Lamoille County, the newest effective March 2013; 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 Lamoille 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 Vermont Center for Geographic Information (VCGI), statewide standardized parcels, from each town’s grand list, so a Lamoille lot shows the same lines the town assessor (listers) draws. Lamoille County covers about 295,201 acres of land and 3,151 acres of water.
Mapped lines are approximate. The town listers in Lamoille County keep the parcel record (Lamoille County website); a licensed surveyor sets the true corners.
Zoning
In Vermont zoning is set by each town and city, not by the county: in Lamoille County, Morrisville, Johnson each zone the land inside their limits. ParcelSheet shows the use code on the lot's parcel record and the municipality it sits in; the town zoning administrator has the district, the uses it allows and the lot size it needs. The Lamoille County website lists the county's municipalities.
ADU and guest houses
Under Vermont's municipal planning and development law (Vermont Statutes Title 24, Chapter 117), each town and city can allow an accessory dwelling unit on a lot with a house. Whether a Lamoille lot can add one depends on its district; the town zoning administrator 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. Lamoille County is soil survey area VT015, Lamoille County, Vermont, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Lamoille County needs a permit from the Vermont Department of Environmental Conservation (Wastewater System and Potable Water Supply Permit).
Setbacks
Setbacks in Lamoille County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; the town zoning administrator gives them for the lot's district, and Morrisville and Johnson for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Lamoille lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Lamoille County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA has 63 flood map panels covering Lamoille County, the newest effective March 2013. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Lamoille County?
Open the Vermont map, type the address, and the parcel outline from the town listers in Lamoille County 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 Lamoille County?
Zoning in Lamoille County is set by each town and city (such as Morrisville, Johnson), not by the county. ParcelSheet shows the use code on the parcel record and names the municipality; the town zoning administrator has the final word.
Can I build an ADU in Lamoille County?
Under Vermont's municipal planning and development law (Vermont Statutes Title 24, Chapter 117), each town and city can allow an accessory dwelling unit, and each sets its own rules. In Lamoille County ask the town zoning administrator 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 Lamoille County?
Yes. A new or changed septic system in Lamoille County needs a permit from the Vermont Department of Environmental Conservation (Wastewater System and Potable Water Supply Permit). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area VT015 (Lamoille County, Vermont).
What can I build on 5 acres in Lamoille County?
Zoning in Lamoille County is set by each town and city, not the county (such as Morrisville, Johnson). 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 town zoning administrator has the district and its rules. See the Lamoille County website.
What are the residential setbacks in Lamoille County (2026)?
Setbacks in Lamoille County come from the zoning code of the municipality the lot sits in: 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 town zoning administrator gives them for the district. See the Lamoille County website.
Next to Lamoille County: Caledonia County, Chittenden County, Franklin County, Orleans County, Washington County.
The Vermont map · All Vermont counties · Flood zones explained · FIRM panels and LOMAs · All 50 states