Isanti County, Minnesota Building Permit Guide

Isanti County enforces the Minnesota State Building Code in its townships through the Zoning Office in Cambridge, which issues building permits, septic permits and zoning approvals and employs the county building official. The four cities and Athens Township issue their own permits. Building permit fees follow the 1997 Uniform Building Code valuation table plus 65% plan review, and simple jobs such as a furnace or re-roof cost $71.

What requires a permit in rural Isanti County?

Section 17 of the county zoning ordinance is direct: no one may erect, structurally alter or move a building without a building permit, and the county will not issue one until the applicant has any septic (sewer) permit the project needs. The same section adopts the current Minnesota State Building Code, except its optional appendix chapters, and names the Zoning Office as the county’s code enforcement agency.

The shed sheet lists acceptable anchoring: a 4-inch slab with a thickened edge and anchor bolts, mobile home anchors at the four corners, or treated posts with frost blocks set 42 inches deep. Setbacks come from the county’s setback sheet: in the Agricultural/Residential district a building stands 130 feet from the centerline of a county road, 120 feet from a township road or private road easement, 30 feet from side lines and 40 feet from the rear line. Near water the setback from the ordinary high water mark is 75 feet on a general development lake, 100 feet on a recreational lake, and 150 feet on a natural environment lake, a stream or the Rum River.

What the county decides and what the state holds

The technical rules are the state code’s. The county adds its own siting rules in the Isanti County Zoning Ordinance of 2014, which applies to all land outside city limits, and in separate ordinances on accessory dwelling units, short-term rentals, rural tourism, recreational camping, towers, slaughterhouses and cannabis businesses; a 2026 amendment to the cannabis ordinance is posted. Two county rules go beyond setbacks: the lowest floor of every dwelling must be at least 3 feet above the highest known water level, and a dwelling on a lot smaller than a quarter-quarter section must be at least 22 feet wide and sit on frost footings.

Isanti County building department: who handles permitting

The Zoning Office, led by Zoning Administrator and Solid Waste Officer Trina Bergloff, handles zoning, the building code, septic systems, shoreland, floodplain, wetlands, subdivisions, variances and conditional and interim use permits. The county’s certified building official, Dennis Ginter, works in the same office; the building permit form has a Zoning Administrator box for setbacks and a Building Official box for valuation and fees.

Cities and Athens Township

Each city runs its own zoning and building permits. Athens Township, on the southern edge of the county, has its own code of ordinances, planning commission, building official and permit forms, including its own septic and driveway applications, so Athens owners apply to the township.

The county’s septic ordinance covers every part of the county except a city that runs its own program at least as strict and approved by the county.

Isanti County permit types

Most permits start on a paper or fillable PDF form from the Zoning Forms page. Re-roofing, re-siding, gas or wood fireplace, air conditioner and furnace permits can be applied for and paid online; card payments cost 2.75% (at least $1.50) and electronic checks $1.50.

Residential permits

The county posts a packet for each common job: new single-family homes, additions, garages, pole buildings, porches, decks, basement finishing, manufactured homes, hot tubs and pools, and emergency escape openings. A new home application needs the permit form with square footage and value, the legal description and proof of ownership, a survey or site plan, two sets of plans, an approved driveway permit, energy and ventilation worksheets, the contractor’s license and subcontractor list, and the septic application with a design by a state-licensed designer.

Building or remodeling a home here? Alliance handles residential permit applications, so the crew isn't waiting on the counter.

Commercial and other permits

Commercial buildings use the same valuation-based permit and plan review; for commercial plumbing and mechanical work the county posts a separate bond form. Uses not allowed outright in a district need a conditional use permit ($500) or an interim use permit ($375), and gravel pits have their own conditional use fee.

What comes before the permit

• Variance. Setback or lot relief goes to the Board of Adjustment; the application fee is $500.
• Conditional or interim use, rezoning, plats. Heard by the Planning Commission, which meets at 6 p.m. on the second Thursday of each month.
• Shoreland. Land within 1,000 feet of a lake, 700 feet of the Rum River or 300 feet of a creek or stream; any permit there requires proof that the septic system complies, and moving more than 10 cubic yards of soil in the shore or bluff impact zone or on steep slopes, or more than 50 cubic yards elsewhere in shoreland, needs a grading and filling permit unless it is part of a permitted building, septic system or driveway.
• Floodplain. The county’s Floodplain Inquiry map shows parcels inside FEMA flood boundaries.
• Wetlands. The Zoning Office takes wetland applications, exemption and no-loss requests and replacement plans; fill in a wetland needs its approval first.
• Driveway. County road: Highway Department; state highway: MnDOT; township road: the township. A copy goes to the Zoning Office before the building permit is picked up.

Isanti County permit costs and fees

The Isanti County Board of Commissioners adopted the current fee schedule on December 17, 2025, effective January 1, 2026. The building permit itself is based on valuation under the 1997 Uniform Building Code fee table, which the schedule does not reprint; the Zoning Office quotes the exact amount at 763-689-5165. Plan review is 65% of the building permit fee, and a state surcharge is collected on every building permit.

Because the building permit amount depends on the valuation the building official sets, the schedule gives no flat figure to work an example from; call the Zoning Office for a quote before you budget. The building permit form totals the building permit, plan review, state surcharge, sewer permit, park fee and any penalty in one sum.

Trade permits and who may pull them

The county’s new-home packet states that a separate electrical permit is required from the state electrical inspector, and the Zoning page links DLI’s homeowner electrical permit application. DLI requires the 2026 National Electrical Code for electrical permits filed on or after August 17, 2026.

• Heating and appliances. Furnaces, stoves, water heaters, air conditioners and fireplaces are $71 county permits, inspected under the building code.
• Plumbing and mechanical. Floor plans filed with a building permit must show the plumbing, mechanical and heating layout; commercial plumbing and mechanical work needs the county’s bond form.
• Contractors. The application asks for the contractor’s state license number, and a new home needs a copy of the license and a subcontractor list; DLI licenses residential builders, remodelers, roofers, electricians and plumbers.
• Septic. Designs must come from a state-licensed septic professional; the county posts a list of septic installers.

How to apply for an Isanti County permit

Review, corrections and what causes delay

The county’s new-home and deck sheets say to allow at least 10 working days. The most common hold-ups are documents the county needs before it issues: the septic permit, a septic compliance certificate on a shoreland lot, the signed driveway permit and, for a new home, the energy calculation. Variances and conditional uses wait for a hearing, and the Planning Commission meets monthly with a published due-date schedule.

Inspections in Isanti County

The county building official inspects work under county permits, and inspections need 24 hours’ notice. A deck, for example, gets a footing inspection after excavation and before concrete or anchors go in, and a framing and final inspection once posts, beams, joists, decking, guards, stairs and lighting are installed. Frost footings must reach 42 inches below finished grade where the deck is attached to a building on frost footings, decks are designed for a 40-pound-per-square-foot live load, and joists may not cantilever more than 24 inches past a beam.

A certificate of occupancy is required before a new building is occupied or an unoccupied building is structurally altered. Septic systems are inspected by the Zoning Office, with a $45 fee for each re-inspection after a required inspection. Houses moved in from another county are inspected at $42 an hour plus mileage.

Minnesota building code

Isanti County has adopted the State Building Code by ordinance and enforces it through the Zoning Office in its townships, except Athens Township. FEMA’s Community Status Book lists Isanti County as participating in the National Flood Insurance Program since May 19, 1981, on a flood map effective November 5, 2003, and lists Athens Township, Braham, Cambridge and Isanti as participating communities of their own.

Minnesota has one State Building Code that applies statewide and overrides local building codes, but enforcement is local: whether a building permit is needed depends on whether the city, township or county enforces the code there. Electrical permits come from the Department of Labor and Industry unless the local government runs its own electrical inspection. Minnesota rules

Isanti County permit search and official resources

The county’s Zoning Viewer and Floodplain Inquiry maps show a parcel’s zoning and flood status. For an earlier building or septic permit, contact the Zoning Office; data requests are charged under the fee schedule’s staff-time rates.

• Isanti County Zoning Office
• Zoning forms and permit packets
• 2026 County Fee Schedule (PDF)
• Online permits for roofing, siding and mechanical work (PDF)
• Building permit application (PDF)
• New single-family home packet and driveway sheet (PDF)
• Garden and storage shed requirements (PDF)
• Deck permit information (PDF)
• Building setback requirements (PDF)
• County codes and ordinances
• Isanti County Zoning Ordinance, 2014 (PDF)
• Planning Commission
• Isanti County Highway Department
• Athens Township building permits
• DLI electrical code adoption (2026 NEC)
• FEMA Community Status Book, Minnesota

Isanti County permit FAQs

Does Isanti County issue building permits?

Yes. The Zoning Office enforces the State Building Code outside the cities and Athens Township, with the county building official reviewing plans and inspecting.

Do I need a permit for a shed?

Not for a one-story shed of 200 square feet or less, but it must meet setbacks and be anchored.

How much is a permit for a new furnace or roof?

$71 under the 2026 fee schedule; the same miscellaneous permit covers stoves, water heaters, air conditioners, re-siding and pools, and several can be filed online.

How long does a building permit take?

The county’s packets say to allow at least 10 working days.

I live in Athens Township. Who issues my permit?

Athens Township, which has its own building official, ordinances and permit forms.

Do I need a septic inspection to build near a lake?

Yes. In the shoreland and Rum River Scenic districts every permit requires proof that the septic system complies.

Who issues driveway permits?

The Highway Department for county roads ($200 plus a $400 refundable deposit), MnDOT for state highways and the township for township roads.

Simplify Isanti County permitting with Alliance Permitting

Alliance Permitting is a permit documentation and submission company in Minnesota. We prepare your paperwork, file it correctly and coordinate with the permitting authority through issuance. We are not a contractor and we do not perform licensed plan review or inspections; that work stays with your licensed team and the jurisdiction.

This guide is provided by Alliance Permitting for general information about Isanti County permitting. Requirements, fees, and procedures change; confirm details with the permitting authority before relying on them.