Douglas County, Kansas
Grant Township is a township in Douglas County, Kansas. Septic permits inside Grant Township come from the county and state together. 15 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Douglas County page.
Grant Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Construction inside Grant township under Douglas County construction codes
“if required by these zoning regulations, building permits shall be as required by chapter 13, construction codes of douglas county, kansas.”
County zoning districts applying to land inside Grant township
“the zoning regulations apply to all development activity, public and private, within the unincorporated territory of douglas county, kansas”
AG-1 (agricultural) district inside Grant township; rear setback
rear setback: 30 feet
“rear setback 30’ 30’ 30’ 30’ 30’ minimum parcel area 20[2] 20[2] 20[2] 20[2] 20[2]”
AG-2 (transitional agricultural) district inside Grant township
maximum height: <= 35 feet
“max. height 35’ 35’ 35’ 35’ 35’ maximum density 1 du / 10 acres”
Residential design manufactured homes as a detached dwelling in the AG-1 district inside Grant township
“residential design manufactured homes are a type of detached dwelling.”
Accessory dwelling units on a parcel in the AG-1 district inside Grant township
ADU maximum area: <= 1000 sq ft (may increase to 1,400 sq ft if not greater than 80% of the primary dwelling area)
“an accessory dwelling unit may have an area of up to 1,000 sq ft. this area may be increased to 1,400 sq ft provided the area of the accessory dwelling unit is not greater than 80% of the area of the primary dwelling.”
On-site sewage systems inside Grant township (unincorporated Douglas County)
“sewage management shall comply with the douglas county sanitary code.”
Installation of any septic system inside Grant township
“a permit shall be obtained from the lawrence-douglas county health department”
Existing on-site sewage systems inside Grant township at the time of property sale
“inspection of on-site sewage management systems by the health authority is required prior to the sale of any property which contains such a system.”
Off-grid sewage disposal inside Grant township
“the discharge of sewage into seepage pits, abandoned wells, cisterns, streams or upon the surface of the ground is prohibited.”
Land and structures used strictly for agriculture inside Grant township
“the zoning regulations shall not apply to land or structures determined by the zoning and codes director to be exempt due to their being used strictly for agricultural purposes”
Accessory dwelling units inside Grant township; access to the adjacent road
“the accessory dwelling unit and the principal dwelling unit shall share a common access point on the adjacent road unless site conditions prohibit the use of the shared access point. in that case, a separate entrance requires approval by the county engineer.”
Development inside a special flood hazard area in Grant township
“development within any special flood hazard area is prohibited without first obtaining a floodplain development permit, approved by the zoning director.”
Vacation rentals inside Grant township
vacation rentals per owner: <= 3 count
“a. no individual person, married couple, or entity shall, either directly or indirectly, own, own in-part, operate, or register more than 3 vacation rentals in the unincorporated territory of douglas county at any one time.”
Zoning and building permit fees for land inside Grant township
“view the fee schedule for various zoning and building permits.”
We looked and could not find an official answer yet. Silence is not permission; ask Grant Township or Douglas County directly.
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 Grant Township publishes no rule on the point, not that none exists. Douglas County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Grant Township means bringing your own water and power. The kit we’d start with:
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