Bolthole Index

Dakota County, Minnesota

Building permits, zoning and septic rules in Inver Grove Heights, Minnesota

Inver Grove Heights, Minnesota (Dakota County) has its own zoning code, and building permits are issued by the city's Inspections Department12. Septic systems are also handled through the city, which publishes its own septic permit application2. Inside city limits, a lot without city water and sewer needs at least 2.5 acres in the R-1 districts3.

At a glance

Building permit
Required; issued by the City of Inver Grove Heights, not Dakota County24
Zoning
Yes, the city's own zoning code (Title 10)1
Minimum lot size (R-1A)
40,000 sq ft with city water and sewer; 2.5 acres without53
Setbacks (R-1 house)
30 ft front, 10 ft side, 30 ft rear; 35 ft maximum height67
Septic
Permit application published by the city; we could not confirm the full city septic rules28
Wells
City well permit required; state-licensed well contractor is a prerequisite9
RV living, tiny homes
Not confirmed; ask the city before buying10
Owner-builder
State contractor-license exemption for owner-occupied homes; permits still apply11

Who to call

Building permits

City of Inver Grove Heights Inspections Department

Building permits, building, mechanical, plumbing and utility inspections, and the city's septic (subsurface sewage treatment system) permit forms, inside Inver Grove Heights city limits

651-450-2550

permits@ighmn.gov

Roads & driveways

Dakota County Transportation Department

Permits for driveways, streets and field approaches onto the county highway system

952-891-7100

hwy@co.dakota.mn.us

1590 Highway 55, Hastings, MN 55033

Contact details are copied from each office’s official page and were checked against it on October 23, 2026.

Off-grid gear

Going off-grid in Inver Grove Heights means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Inver Grove Heights, MN?

Yes. Inver Grove Heights requires a building permit before any building or development work, and the permit comes from the city, not Dakota County212. Applications go through the city's online permits portal, and only a licensed contractor, homeowner or homesteader can apply2. Residential permits that need plan review are processed in about 15 business days once every required document is in2.

Minnesota's State Building Code sets the standard, and one-story detached sheds of 200 square feet or less are among the exempt work13. Doing the work yourself waives the state contractor license for an owner who will live in the home, but the exemption does not waive permits or inspections11.

Who issues building permits in Inver Grove Heights, and how do you reach them?

The City of Inver Grove Heights Inspections Department handles building permits and performs all building, mechanical, plumbing and utility inspections2. Call 651-450-2550 or email permits@ighmn.gov2.

Electrical permits are the exception: the Minnesota Department of Labor and Industry issues them, not the city2. Dakota County's role stops at county-road driveway connections, shoreland and floodplain areas, and the county well ordinance1412.

Does Inver Grove Heights have zoning, and what does it mean for lot size and setbacks?

Inver Grove Heights has its own zoning code, Title 10 of the city code, covering agricultural, estate, residential and other districts115. Land annexed into the city starts in the agricultural district until a study sets its use district1.

In the R-1A district, the minimum lot is 40,000 square feet when city water and sewer serve it5. R-1B needs 20,000 square feet16, and R-1C needs 12,000 square feet for an interior lot and 12,500 for a corner lot17. A lot in any of those districts without municipal water and sewer needs 2.5 acres, with exceptions for lots of record from February 19743.

A principal building in R-1A, R-1B or R-1C needs a 30-foot front setback, 10-foot side setback and 30-foot rear setback, and may rise 35 feet67. Accessory buildings follow separate setbacks and are capped at 25 feet67. Impervious surface is limited by lot size, from 40% on the smallest lots down to 10% above 5 acres18.

How do septic permits work inside Inver Grove Heights?

Dakota County leaves septic administration to each city except Hastings, Randolph, New Trier and two townships, so Inver Grove Heights is not on the county's own list8. The city publishes a septic system permit application on its building permits page2.

We could not confirm the city's septic inspection, operating permit or off-grid sanitation rules, so call the Inspections Department at 651-450-2550 before you plan a system2. The state requires new and replacement systems to be inspected19. County soil data rates about 13% of soils as not limited for a conventional drain field, so expect a site evaluation20.

Can you live in an RV or tiny home in Inver Grove Heights?

We could not confirm whether Inver Grove Heights allows long-term RV living or tiny-home occupancy; the city's land-use rules for those uses were not located. Minnesota law leaves tiny houses and accessory dwellings to local zoning, and a tiny house used as a dwelling must meet the Minnesota Residential Code1021. Ask the City of Inver Grove Heights Inspections Department at 651-450-2550 before parking an RV or placing a small dwelling on a lot2.

Building a home in Inver Grove Heights: the steps, in order

  1. Confirm the lot's zoning district under Title 10 and whether city water and sewer reach it13.
  2. If there is no city sewer, ask the Inspections Department about a septic permit2.
  3. If you need a well, get a city well permit; a state-licensed well contractor is a prerequisite9.
  4. Apply for the building permit on the city's online permits portal2.
  5. Pay connection fees. The water building permit connection fee is $1,265 per SAC unit, and the city's other permit fees follow its fee schedule22.
  6. Schedule inspections through the Inspections Department2.
  7. If the driveway meets a county highway, get a Dakota County permit first23.

What stays with Dakota County, and what to check before you buy?

For land outside city limits, see the Dakota County page; city rules do not apply there. Dakota County regulates shoreland and floodplain areas, so a parcel near water or a mapped floodplain may need a floodplain permit2425.

A driveway onto a state highway needs a MnDOT permit26. Dakota County's effective property tax rate is 1%, with a median bill of $3,610 a year2728.

Watch-outs

  • We could not confirm the city's septic inspection, off-grid sanitation or building-permit exemption rules; call the City Inspections Department at 651-450-25502.
  • Inver Grove Heights has both a city well permit and a county well ordinance; ask which applies to your address929.
  • A parcel annexed into the city is first placed in the agricultural district until the city sets its use district1.

Sources

  1. Inver Grove Heights, MN Code of Ordinances overview (American Legal Publishing) (Inver Grove Heights), quoted and re-checked
  2. City of Inver Grove Heights Inspections Department (ighmn.gov)
  3. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  4. Dakota County — Building & Zoning Permits (2026 county census)
  5. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  6. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  7. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  8. Septic Systems, quoted and re-checked
  9. Code Chapter 3 Water Wells (8-3) (Inver Grove Heights), quoted and re-checked
  10. Tiny Houses and the 2020 Minnesota Residential Code (Minnesota statewide rule), quoted and re-checked
  11. revisor.mn.gov (Minnesota statewide rule), quoted and re-checked
  12. Building and Zoning Permits, quoted and re-checked
  13. Minnesota Administrative Rules, Part 1300.0120 — Permits (Minnesota statewide rule), quoted and re-checked
  14. Highway Permit Policy, quoted and re-checked
  15. Code 10-4-1 Districts established (Inver Grove Heights), quoted and re-checked
  16. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  17. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  18. Code Article A. R-1 One-Family Residential Districts (10-9a-1 and 10-9a-2) (Inver Grove Heights), quoted and re-checked
  19. 2025 Minnesota Statutes, section 115.55: Subsurface Sewage Treatment Systems (Minnesota statewide rule), quoted and re-checked
  20. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  21. Storage Sheds and the Minnesota State Building Code (Minnesota statewide rule), quoted and re-checked
  22. Code 3-4-2-2 Water, sanitary sewer and stormwater systems connection fees (Inver Grove Heights), quoted and re-checked
  23. Dakota County Transportation Department (dakotacountymn.gov)
  24. Dakota County Shoreland and Floodplain Management Ordinance 50, quoted and re-checked
  25. Floodplain Regulations (Minnesota statewide rule), quoted and re-checked
  26. MnDOT Access Management Manual, Chapter 4 (Minnesota statewide rule), quoted and re-checked
  27. Effective property tax rate: Bolthole Index county data
  28. Median property tax bill: Bolthole Index county data
  29. County Ordinance 114 - Well and Water Supply Management, quoted and re-checked

Written October 23, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Inver Grove Heights

Inver Grove Heights’s own rules

  • Local zoningPresent

    All land inside Inver Grove Heights city limits. The city's own zoning ordinance (Title 10, Zoning Regulations) governs use and dimensional rules there.

    • Zoning is administered by the city; the district list and R-1 standards were read from the city code, not from a county rule.
    • Annexed land is placed in the agricultural district until a detailed study sets its use district (10-4-4).
    “the following are the zoning districts in the city: a agricultural district e estate districts e-1 2 1/ 2 acre estate district”
  • Zoning districtsPublished

    Zoning districts inside Inver Grove Heights city limits

    • Zoning map is incorporated by reference in Section 10-4-2; the map itself was not opened.
    “r residential districts r-1a one-family residential district r-1b one-family residential district r-1c one-family residential district r-2 two-family residential district”
  • Minimum lot sizeSpecified

    R-1C one-family residential district inside Inver Grove Heights city, lots served by municipal water and sewer

    • Interior lot minimum 12,000 square feet; corner lot minimum 12,500 square feet.
    • Note 1: if the lot is not served by municipal water and sewer, the minimum lot area is 2 1/2 acres.
    • Lot width is 85 feet interior and 100 feet corner (note 2 applies if not served by municipal water and sewer).

    minimum lot area (interior lot): >= 12000 square feet (served by municipal water and sewer) · minimum lot area (corner lot): >= 12500 square feet (served by municipal water and sewer)

    “lot area 1: r-1a 40,000 square feet r-1b 20,000 square feet r-1c 12,000 square feet (interior lot) 12,500 square feet (corner lot)”
    3 more reviewed findings on this topic
  • SetbacksSpecified

    R-1A one-family residential district inside Inver Grove Heights city

    • Accessory structures have separate setbacks: front 30 feet, side 15 feet, rear 8 feet (section 10-9A-2 accessory table).
    • An attached garage with no living space may meet the accessory side setback (note 3).
    • Thoroughfare setbacks apply in addition (section 10-9A-2 subsection c).

    front yard setback: 30 feet (principal structure) · side yard setback: 10 feet (principal structure) · rear yard setback: 30 feet (principal structure)

    “front yard setback 30 feet side yard setback3 10 feet rear yard setback 30 feet height (maximum) 35 feet”
    2 more reviewed findings on this topic
  • Lot coverageDistrict specific (with conditions)

    R-1A, R-1B and R-1C lots inside Inver Grove Heights city. The city limits impervious surface (not building footprint) on a sliding scale by lot size.

    • Impervious limits step down by lot size from 40% (0-9,000 sq ft) to 10% of lot area (over 5 acres).
    • Additional impervious area may be allowed with a stormwater facilities maintenance agreement (SWFMA) under listed criteria.

    maximum impervious surface: 40% at 0-9,000 sq ft, stepping down to 10% over 5 acres percent of lot area (additional allowed with SWFMA)

    “d. impervious surface standards: maximum impervious surface allowed lot size (in sq. ft. unless otherwise indicated) maximum allowed (without swfma) (percentage of lot area unless otherwise indicated) additional allowed with swfma”
  • Building heightSpecified

    R-1A one-family residential district inside Inver Grove Heights city, principal structures

    • Accessory structures in R-1 are limited to 25 feet in height (section 10-9A-2 accessory table).

    maximum height: <= 35 feet (principal structure)

    “front yard setback 30 feet side yard setback3 10 feet rear yard setback 30 feet height (maximum) 35 feet”
    2 more reviewed findings on this topic
  • Well permitRequired

    Installing, constructing, maintaining or repairing water wells inside Inver Grove Heights city

    • A state water well contractor license is a prerequisite to the city well permit.
    • Well records and affidavit must be filed within 15 days after inspection (8-3-1(b)(3)).
    • Permit requirements are in section 8-3-3, which was not opened.
    “the issuance of a license by the state of minnesota, pursuant to minn. reg. mhd, is a necessary prerequisite to the issuance of a permit in accordance with sections 8-3-2, 8-3-3 and 8-3-4 of this chapter.”
  • Subdividing landRegulated (with conditions)

    Land divisions and plats inside Inver Grove Heights city

    • Subdivision regulations are Title 11 of the city code (sections such as 11-3-6 Blocks were not opened).
    “title 9 building and development title 10 zoning regulations title 11 subdivision regulations”
  • Permit feesPublished (with conditions)

    City license, permit and connection charges inside Inver Grove Heights city

    • Water and sewer connection fees are in a published table (section 3-4-2-2) and are payable at plat, building permit or connection.
    • Other license and permit fees are set by the city fee schedule, which was not located.
    • Water plat connection fee and building permit connection fee are listed per net developable acre and per SAC unit respectively.

    water plat connection fee: 6831 USD (per net developable acre; payable at plat or connection) · water building permit connection fee: 1265 USD (per SAC unit; payable at building permit or connection)

    “all other license, permit, and similar fees shall be as listed in the city fee schedule.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Inver Grove Heights or Dakota County directly.

  • Building permit — Building permit for new residential construction inside Inver Grove Heights city
  • Owner-builder exemption — Owner-builder exemption for residential construction inside Inver Grove Heights city
  • Building code adopted — Building code adopted for construction inside Inver Grove Heights city
  • Inspections — Building inspections inside Inver Grove Heights city
  • Certificate of occupancy — Certificate of occupancy for new homes inside Inver Grove Heights city
13 more unanswered
  • Minimum dwelling size
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Inver Grove Heights publishes no rule on the point, not that none exists. Dakota County’s page lists the county offices to call.

← All of Dakota County: county rules, score and offices