Cape Girardeau County, MO zoning map, flood zone and property lines by address
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Towns in Cape Girardeau County: Cape Girardeau, Jackson.
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 Cape Girardeau County has 62 FIRM panels, the newest effective January 2016; 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 Cape Girardeau 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 Missouri county parcel layers (each county publishes its own), so a Cape Girardeau lot shows the same lines the county assessor draws. Cape Girardeau County covers about 370,251 acres of land and 5,013 acres of water.
Mapped lines are approximate. The Cape Girardeau County assessor keeps the parcel record (Cape Girardeau County website); a licensed surveyor sets the true corners.
Zoning
Cape Girardeau County zones its unincorporated land, and Cape Girardeau, Jackson each zone the land inside their 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 Missouri's county planning and zoning law (Revised Statutes of Missouri Chapter 64), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Cape Girardeau 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. Cape Girardeau County is soil survey area MO031, Cape Girardeau County, Missouri, last updated August 2026, on Web Soil Survey.
A new or changed septic system in Cape Girardeau County needs a permit from the Cape Girardeau County health department, or the county's other designated onsite authority (Missouri Department of Health and Senior Services onsite wastewater program).
Setbacks
Setbacks in Cape Girardeau 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 Cape Girardeau and Jackson for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Cape Girardeau lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Cape Girardeau 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 Cape Girardeau County has 62 panels, the newest effective January 2016. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Cape Girardeau County?
Open the Missouri map, type the address, and the parcel outline from the Cape Girardeau 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 Cape Girardeau County?
Zoning in Cape Girardeau County is set by the county for unincorporated land and by each city (such as Cape Girardeau, Jackson) 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 Cape Girardeau County?
Under Missouri's county planning and zoning law (Revised Statutes of Missouri Chapter 64), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Cape Girardeau 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 Cape Girardeau County?
Yes. A new or changed septic system in Cape Girardeau County needs a permit from the Cape Girardeau County health department, or the county's other designated onsite authority (Missouri Department of Health and Senior Services onsite wastewater program). ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area MO031 (Cape Girardeau County, Missouri).
What can I build on 5 acres in Cape Girardeau County?
Zoning in Cape Girardeau County is set by the county for unincorporated land and each city inside its own limits (such as Cape Girardeau, Jackson). 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 Cape Girardeau County website.
What are the residential setbacks in Cape Girardeau County (2026)?
Setbacks in Cape Girardeau 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 Cape Girardeau County website.
Next to Cape Girardeau County: Bollinger County, Perry County, Scott County, Stoddard County.
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