Bolthole Index

Ramsey County, Minnesota

Zoning, building permits and septic rules in North St. Paul, Minnesota

North St. Paul, Minnesota adopts and administers its own zoning code, Chapter 154, inside city limits1. Building, plumbing and mechanical permit applications go through Rum River Consultants rather than a city counter2. Ramsey County does not hold land-use authority in the city3. We could not confirm who issues septic permits inside the city, so ask Ramsey County Environmental Health4.

At a glance

Zoning
City zoning code (Chapter 154), administered by North St. Paul, not the county13
Building permit
Required under the Minnesota State Building Code; applications go through Rum River Consultants52
Plumbing permit
Required before any plumbing work in the city6
Septic
Not confirmed inside city limits; ask Ramsey County Environmental Health4
Owner-builder
Owners may apply for building permits without a contractor's license; state licensing exemption for owner-occupied homes27
Minimum home size (R-1)
900 sq ft one story, 1,200 sq ft two story8
Minimum lot (R-1)
6,250 sq ft per dwelling unit, 50 ft wide9
Accessory dwelling units
Allowed with limits; must connect to city sewer and water1011

Who to call

Also useful

City of North St. Paul — Inspections

Scheduling building, plumbing and mechanical inspections; the city itself inspects driveways, sheds, accessory buildings and fences

651-747-2415

Zoning

North St. Paul Community Development — Zoning

Zoning permits, conditional use permits and other planning applications inside North St. Paul

651-747-2407

nspcd@northstpaul.org

Septic permits

Ramsey County Public Health — Environmental Health

County general information line; starting point for septic and environmental health questions

651-266-8500

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in North St. Paul means bringing your own water and power. The kit we’d start with:

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Does North St. Paul have zoning, and what does it mean for RVs, tiny homes, lot size and setbacks?

Yes. North St. Paul adopts and administers its own zoning ordinance, Chapter 154, which divides the city into zoning districts1. Ramsey County does not hold land-use or inspection authority in its suburban cities; that sits with the municipalities3. The city's districts include residential zones, mixed-use districts and overlay districts12.

In the R-1 Single Family Residential District, a single-family dwelling needs at least 900 sq ft of livable floor space for one story or 1,200 sq ft for two stories8. R-1 lots need 6,250 sq ft per dwelling unit and a width of at least 50 ft9. R-1 setbacks are 25 ft front and 25 ft rear, with side yards of 6 ft on an internal lot and 15 ft on a corner lot13. R-1 allows up to 40% lot coverage14, and principal buildings top out at two stories or 35 ft15. Other districts have different numbers, so check the lot's district first.

RV and tiny-home rules inside the city are unconfirmed. Ask North St. Paul Community Development at16 before planning to live in either. Minnesota's building code does define tiny houses (400 square feet or less, excluding lofts), but whether one can sit on a city lot is a local zoning question17.

Do you need a building permit in North St. Paul, and who issues it?

Minnesota's building rules require a permit before you construct, enlarge, alter, repair, move or demolish a building, with listed exemptions such as one-story detached sheds of 200 square feet or less5. North St. Paul adopts the Minnesota State Building Code as its building code18, and plumbing work in the city needs its own permit first6.

Building, mechanical and plumbing permits are applied for online through Rum River Consultants' Baseline portal; questions go to Rum River Consultants at2. Other city permits, including zoning, go through the city's OpenGov platform. Property owners doing work on their own property may apply for building permits without a contractor's license2. Inspections for building, plumbing and mechanical work are scheduled through19. We could not confirm the city's permit fee amounts; the fee schedule is linked from the city's Permits & Licenses page, and the city sets fees for itself20.

How do septic permits work inside North St. Paul?

We could not confirm who issues septic permits inside North St. Paul city limits. Minnesota's statewide framework has counties, cities and townships issuing construction permits for most septic systems21, and Ramsey County is the local unit most likely to answer for septic22. Call Ramsey County Environmental Health through4 to confirm before assuming any septic path.

An accessory dwelling unit inside the city must connect to municipal sanitary sewer and water11, so septic is not an option for that use. Wells are also unconfirmed for the city; state law requires notification before a water-supply well is built23.

Building a home in North St. Paul: the steps, in order

  1. Confirm the lot's zoning district and dimensional rules with North St. Paul Community Development16; R-1 numbers are listed above9.
  2. If the parcel needs to be divided, expect review under the city's Chapter 153 subdivision regulations24.
  3. Apply for building, mechanical and plumbing permits through Rum River Consultants2.
  4. Apply separately for any zoning permit the project needs, through the city's online permit platform; Community Development answers the questions16.
  5. Schedule inspections as work proceeds; work must stay accessible and exposed until approved25.
  6. Ask the building official about a certificate of occupancy before moving in; state rules require one before a building is occupied26.
  7. A driveway onto a state highway needs a MnDOT access permit27.

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

Ramsey County does not run zoning or building inspection inside North St. Paul3; for land outside the city, see the Ramsey County page. Septic and well questions are the main county and state touchpoints21.

Before buying, ask the city whether the parcel lies in a floodplain; building a house in a mapped Minnesota floodplain requires a floodplain permit under the community's ordinance28. Ramsey County's effective property tax rate is 1.2%29 and the median property tax bill is $3,767 per year30. The county's typical home value is about $345,40131.

Watch-outs

  • We confirmed lot, setback and size numbers only for the R-1 district; other residential and mixed-use districts differ, so ask16 which district a lot sits in.
  • RV and tiny-home occupancy, septic authority, well rules and permit fees inside North St. Paul could not be confirmed; call the city or Ramsey County before relying on any of them16.
  • Building permits are no longer handled at City Hall: since October 2024, building, plumbing and mechanical applications go through Rum River Consultants2.
  • Accessory dwelling units may not be sold separately or placed on their own tax parcel10.

Sources

  1. North Saint Paul Code of Ordinances, Chapter 154: Zoning Regulations (American Legal Publishing) (North St. Paul), quoted and re-checked
  2. City of North St. Paul — Permits & Licensing (building, plumbing and mechanical permits through Rum River Consultants) (northstpaul.org)
  3. Draft Ramsey County HRA Fiscal Year 2026 Annual Action Plan, quoted and re-checked
  4. Ramsey County Public Health — Environmental Health (ramseycountymn.gov)
  5. Minnesota Rule 1300.0120, Permits, quoted and re-checked
  6. North Saint Paul Code of Ordinances, Chapter 150 Building Regulations, Section 150.072 Permits Required (American Legal Publishing) (North St. Paul), quoted and re-checked
  7. revisor.mn.gov (Minnesota statewide rule), quoted and re-checked
  8. North Saint Paul Code of Ordinances, Table 4 Residential Districts Lot Requirements and Table 5 Residential Districts Design Requirements (American Legal Publishing) (North St. Paul), quoted and re-checked
  9. North Saint Paul Code of Ordinances, Table 4 Residential Districts Lot Requirements and Table 5 Residential Districts Design Requirements (American Legal Publishing) (North St. Paul), quoted and re-checked
  10. North Saint Paul Code of Ordinances, Section 154.010 General Regulations (American Legal Publishing) (North St. Paul), quoted and re-checked
  11. North Saint Paul Code of Ordinances, Section 154.010 General Regulations (American Legal Publishing) (North St. Paul), quoted and re-checked
  12. North Saint Paul Code of Ordinances, Chapter 154: Zoning Regulations (American Legal Publishing) (North St. Paul), quoted and re-checked
  13. North Saint Paul Code of Ordinances, Table 4 Residential Districts Lot Requirements and Table 5 Residential Districts Design Requirements (American Legal Publishing) (North St. Paul), quoted and re-checked
  14. North Saint Paul Code of Ordinances, Table 4 Residential Districts Lot Requirements and Table 5 Residential Districts Design Requirements (American Legal Publishing) (North St. Paul), quoted and re-checked
  15. North Saint Paul Code of Ordinances, Table 4 Residential Districts Lot Requirements and Table 5 Residential Districts Design Requirements (American Legal Publishing) (North St. Paul), quoted and re-checked
  16. North St. Paul Community Development — Zoning (northstpaul.org)
  17. Tiny Houses and the 2020 Minnesota Residential Code, quoted and re-checked
  18. North Saint Paul Code of Ordinances, Chapter 150 Building Regulations, Section 150.001 (American Legal Publishing) (North St. Paul), quoted and re-checked
  19. City of North St. Paul — Inspections (northstpaul.org)
  20. Minnesota Building Code Adoption Guide (Minnesota statewide rule), quoted and re-checked
  21. SSTS design (Minnesota statewide rule), quoted and re-checked
  22. Ramsey County Public Health - Environmental Health (2026 county census)
  23. 2025 Minnesota Statutes, section 103I.205: Well Construction (Minnesota statewide rule), quoted and re-checked
  24. North Saint Paul Code of Ordinances, Chapter 154: Zoning Regulations (American Legal Publishing) (North St. Paul), quoted and re-checked
  25. Minnesota Rule 1300.0210, Inspections, quoted and re-checked
  26. Minnesota Rule 1300.0220, Certificate of Occupancy, quoted and re-checked
  27. MnDOT Access Management Manual, Chapter 4 (Minnesota statewide rule), quoted and re-checked
  28. Floodplain Regulations (Minnesota statewide rule), quoted and re-checked
  29. Effective property tax rate: Bolthole Index county data
  30. Median property tax bill: Bolthole Index county data
  31. Typical home value (Zillow): Bolthole Index county data

Written October 24, 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 North St. Paul

North St. Paul’s own rules

  • Building permitRequired

    Plumbing installation, alteration and repair inside North St. Paul city limits (section 150.072 permits required). Not verified for general building construction.

    • Permit is required before plumbing work; construction may proceed after the permit issues.
    • Permit fees are a separate section (150.073) not opened.
    “it shall be unlawful to construct, install, alter or repair any plumbing, drain, vent, water closet, sink, lavatory or other plumbing fixture within the city without first obtaining a permit to do such work.”
  • Building code adoptedAdopted

    Plumbing work inside North St. Paul city limits: the city adopts the Minnesota Plumbing Code by section 150.070.

    • Only the section title from the official table of contents was captured; body text of 150.070 not opened.
    “the minnesota plumbing code, as filed with the secretary of state and the department of administration, as amended, is adopted and shall be in full force and effect in this city”
    One more reviewed finding on this topic
  • InspectionsRequired

    Plumbing work inside North St. Paul city limits (section 150.075 inspections by city).

    • Inspection is by the city; inspection is a condition on approval of plumbing work.
    “all plumbing work constructed shall be inspected and, if found not to be in accordance with this chapter, shall be corrected.”
  • Local zoningPresent

    Land inside North St. Paul city limits: the city adopts and administers its own zoning ordinance (Code Chapter 154, Zoning Regulations).

    • Chapter 154 is the city's own zoning code, not county zoning; it does not apply to the unincorporated county area.
    “this chapter divides the city into zoning districts, establishes minimum requirements to achieve its intent and purpose”
  • Zoning districtsPublished

    Zoning districts for land inside North St. Paul city limits: the zoning ordinance lists its district sections.

    • Districts named in the table of contents: residential zones (154.006), mixed-use districts (154.007), overlay districts (154.008). R-1, R-2 and R-3 appear in the residential tables.
    • No agricultural or rural-residential district was seen in the opened tables.
    “154.005 zoning districts and provisions 154.006 residential zones 154.007 mixed-use districts 154.008 overlay districts 154.009 nonconformities”
  • Minimum dwelling sizeDistrict specific (with conditions)

    R-1 Single Family Residential District, North St. Paul city limits: minimum livable floor space for a single-family dwelling.

    • Table 5 minimum livable floor space column; R-2 and R-3 rows are not covered by this claim.
    • Table 5 R-1 row also lists two family: 900 sq. ft.

    minimum livable floor space, one-story single-family: >= 900 sq ft (R-1 only) · minimum livable floor space, two-story single-family: >= 1200 sq ft (R-1 only)

    “single family: one story: 900 sq. ft. two story: 1,200 sq. ft.”
  • Minimum lot sizeDistrict specific (with conditions)

    R-1 Single Family Residential District, North St. Paul city limits.

    • Table 4 footnote: '* tables 6.25 d. and f. from model shoreland ordinance may be more restrictive.' Shoreland standards can be stricter.
    • Institutions require 10,000 sq. ft.; manufactured houses in home parks require 5,000 sq. ft. per dwelling unit (separate rows, not R-1 single-lot rules).
    • Total lot area must be at least the minimum lot area per dwelling unit multiplied by the number of units.

    minimum lot area per dwelling unit: >= 6250 sq ft (institutions 10,000 sq ft; home parks 5,000 sq ft per dwelling unit) · minimum lot width: >= 50 ft

    “r-1 single family residential district 6,250 sq. ft. per dwelling unit institutions: 10,000 sq. ft. manufactured houses (home parks): 5,000 sq. ft. per dwelling unit 50 ft. 25 ft. 25 ft. internal lot: 6 ft. corner lot: 15 ft.”
  • SetbacksDistrict specific (with conditions)

    R-1 Single Family Residential District, North St. Paul city limits.

    • Corner lot side yard is 15 ft; internal lot side yard is 6 ft.
    • Accessory-building and ADU setbacks in section 154.010 are not included in this claim.

    front yard setback: >= 25 ft · rear yard setback: >= 25 ft · side yard setback, internal lot: >= 6 ft · side yard setback, corner lot: >= 15 ft

    “r-1 single family residential district 6,250 sq. ft. per dwelling unit institutions: 10,000 sq. ft. manufactured houses (home parks): 5,000 sq. ft. per dwelling unit 50 ft. 25 ft. 25 ft. internal lot: 6 ft. corner lot: 15 ft.”
  • Lot coverageDistrict specific (with conditions)

    R-1 Single Family Residential District, North St. Paul city limits.

    • R-2 is 50% lot coverage (separate claim not made here); R-3 not covered by this claim.

    maximum lot coverage: <= 40 percent

    “accessory building: 15 ft. except for accessory dwelling unit, then 20 ft. 40% low (3.0 - 7.0 units/acre)”
  • Building heightDistrict specific (with conditions)

    R-1 Single Family Residential District, North St. Paul city limits.

    • Exceptions: flag poles, monuments and chimneys, church spires, belfries or domes without usable space, and radio and TV reception towers may extend to 45 ft; city water towers may extend to 140 ft.
    • Accessory building height is 15 ft, or 20 ft for an accessory dwelling unit.

    maximum height, principal building: <= 35 ft (two (2) stories also stated in table) · maximum height, accessory building: <= 15 ft (20 ft for accessory dwelling unit)

    “r-1 single family residential district two (2) stories or 35 ft. in height, except flag poles, monuments and chimneys, church spires, belfries or domes which do not contain usable spaces, and radio and tv reception towers may extend to a maximum height of 45 ft. above the ground, city water towers may extend to a height of 140 ft.”
  • Accessory dwellingsLimited

    Accessory dwelling units on residential lots inside North St. Paul city limits (section 154.010 accessory dwelling unit standards).

    • ADUs may not be sold separately from the principal dwelling or placed on a separate tax parcel.
    • ADU must connect to municipal sanitary sewer and water, and must have a separate entrance from the principal dwelling.
    • Accessory building height is 20 ft when the building is an ADU (Table 5).
    “(j) owners may not sell accessory dwelling units separately or independently from the principal dwelling or create a separate tax parcel.”
  • Mandatory utility hookupConditional

    Accessory dwelling units only, inside North St. Paul city limits (section 154.010). Not a general rule for new homes.

    • An accessory dwelling unit must connect to municipal sanitary sewer and water.
    • Connections for the ADU must be provided from service lines shared with the principal dwelling unless the public works director approves otherwise.
    “(i) the owner or contractor must connect an accessory dwelling unit to municipal sanitary sewer and water.”
  • Subdividing landRegulated (with conditions)

    Division of land inside North St. Paul city limits.

    • Subdivision is governed by Chapter 153 Subdivision Regulations; its substantive requirements were not opened.
    “title xv: land usage chapter 150: building regulations chapter 151: dangerous buildings chapter 152: structures and premises maintenance and occupancy code chapter 153: subdivision regulations chapter 154: zoning regulations”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask North St. Paul or Ramsey County directly.

  • Owner-builder exemption — Owner-builder construction of a home inside North St. Paul city limits.
  • Certificate of occupancy — Occupancy of a newly built home inside North St. Paul city limits.
  • Living in an RV — Occupying an RV on private land inside North St. Paul city limits.
  • Camping on your land — Temporary camping on private land inside North St. Paul city limits.
  • Tiny homes — Occupying a tiny home on private land inside North St. Paul city limits.
12 more unanswered
  • Manufactured homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Agricultural exemption
  • 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 North St. Paul publishes no rule on the point, not that none exists. Ramsey County’s page lists the county offices to call.

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