Zoning, building permits and septic rules in Marietta, Minnesota
Marietta is a city in Lac qui Parle County, Minnesota. 3 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Lac qui Parle County page.
Answers from the rulebook for Marietta
Rules another office applies inside Marietta
Marietta does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Owner-builder exemptionConditional
An owner building or improving residential real estate inside Marietta city limits, for the state residential building-contractor licensing requirement.
The owner must occupy or intend to occupy the property for residential purposes, or retain it for rental purposes upon completion.
The exemption does not apply to construction or improvement for resale or speculation.
An owner is presumed to be building or improving for speculation if constructing or improving more than one property within a 24-month period, unless the properties will be retained for rental purposes.
“an owner of residential real estate who builds or improves residential real estate if the owner occupies or will occupy the residential real estate”
Building code adoptedAdopted (with conditions)
Buildings governed by the State Building Code, including such buildings inside Marietta city limits.
The rule excepts circumstances provided in Minnesota Statutes, section 326B.121.
The State Building Code does not apply to agricultural buildings except with respect to state inspections required or rulemaking authorized by Minnesota Statutes, sections 103F.141, 326B.36, and 326B.121, subdivision 1, paragraph (c), clause (2).
“The State Building Code is the standard that applies statewide for the construction, reconstruction, alteration, and repair of buildings and other structures”
Well permitLimited
Construction of a water-supply well inside Marietta city limits.
The rule covers water-supply wells, including wells for irrigation, commercial use, residential supply, or a public water system.
The notification rule does not apply to monitoring wells regulated by part 4725.1830, dewatering wells regulated by part 4725.1825, or owner-installed residential or agricultural drive-point wells regulated by part 4725.1849.
Notification must be on an approved form, be legible, include the required fee, and be signed by the certified representative of the licensee or the owner or agent.
“must submit notification of construction of the proposed water-supply well to the commissioner according to this part.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Marietta or Lac qui Parle County directly.
Building permit — Residential construction inside Marietta city limits.
Inspections — Residential construction inside Marietta city limits.
Certificate of occupancy — Residential occupancy inside Marietta city limits.
Local zoning — Land inside Marietta city limits.
Zoning districts — Zoning districts inside Marietta city limits.
22 more unanswered
Minimum dwelling size
Minimum lot size
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
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 Marietta publishes no rule on the point, not that none exists. Lac qui Parle County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Marietta means bringing your own water and power. The kit we’d start with: