Overview
Code type
euclidean
Naming convention
letter-code
| residential | letter-numeric intensity-encoded (R-A agricultural largest → R-1 SF → R1-S small-lot SF → R-2 one+two-family → R-3 limited-multiple → R-4 multiple-family) |
|---|---|
| commercial | letter-numeric intensity-encoded (B-1 neighborhood → B-2 community → B-3 general; CBD = central business) |
| industrial | letter-numeric (I-1 planned industrial; M-1 light industry; M-2 heavy industry) |
Conventional euclidean zoning — not form-based, not hybrid-PD, not rewrite-in-flight, not no-zoning. District-code pattern is intensity-encoded letter-numeric; R-2 is 'One and Two Family' (uses-based label) not strictly density-encoded. Industrial prefix split: I-1 'Planned Industrial' is a PUD-style industrial designation, while M-1/M-2 are conventional Light/Heavy. v1 used 'Title 40' classification which was the WRONG title number; corrected to Title XV / Chapter 156.
Worth knowing
- CORRECTED 2026-05-18: Prior v1 profile cited the zoning chapter as 'Title 40'. North Mankato does not have a Title 40 — the City Code is organized into Titles I through XV plus Tables, Parallel References, etc. The zoning code is Chapter 156 within Title XV: Land Usage. The amlegal URL slug is `nmankato_mn`, not `northmankato_mn` (v1 also had the wrong URL stub). This is a basic citation hygiene failure in v1 that propagated through every overlay and district 'ordinance_ref' field. (c§ City of North Mankato Code TOC root (https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-1))
- CORRECTED 2026-05-18: Prior v1 profile asserted MN SF 4 / HF 1 Missing Middle Housing was enacted in 2023 and applied to North Mankato — mandating duplexes and triplexes by-right in R-1 and R-2 zones regardless of local restrictions. This is INCORRECT. Both the 2023 SF 4 / HF 1 and the 2024 HF 4009 / SF 3964 re-introduction died in committee under suburban DFL and League of Minnesota Cities opposition. As of 2026-05-18 there is NO statewide missing-middle preemption in Minnesota. North Mankato R-1 use rules are entirely governed by local § 156.037 (single-family only); R-2 (§156.039) is named 'One AND Two Family Dwelling District', which permits duplexes BY LOCAL ORDINANCE — not by state preemption. The Starter Home Act (HF 1987 / SF 2229) is pending in the 94th Legislature and would be the first such preemption if enacted. (c§zoning/us/minnesota/preemptions.md (2026-05-18 'Important Correction' and '2023-2024 missing-middle / parking bills — failed'); c§Minnesota Reformer 2024-04-04)
- FABRICATED OVERLAY REMOVED: Prior v1 profile asserted a 'Downtown Historic District Overlay (HD)' with Architectural Review Committee design-review parameters. North Mankato does NOT have an adopted historic preservation overlay. As of January 2024 the City was inviting residents to a special Council meeting with the State Historic Preservation Office (SHPO) to CONSIDER establishing a preservation program — i.e., the city had not yet adopted a Heritage Preservation Commission or a preservation overlay ordinance. v2 removes HD from overlays[] and documents the removal in v1_overlays_removed[]. (c§https://northmankato.com/news_detail_T43_R154.php (2024 Historic Preservation Presentation invitation); c§Mankato Free Press 2024 'North Mankato looks at forming a historic preservation commission')
+ 6 more in Quirks & notes
Districts
res_sf 4com 3ind 3res_mf 2cbd 1mu 1
| Code | Name | Category | Min lot | Height | Coverage | FAR | Du/ac | Parking | Setbacks F/S/R |
|---|---|---|---|---|---|---|---|---|---|
| R-A | Residential Agricultural District | res_sf | — | — | — | — | — | — | — / — / — |
| R-1 | One Family Dwelling District | res_sf | 9,000 sf[4] | 30 ft[5] | — | — | 4.84[6] | — | 30[1] / 10[2] / 25[3] |
| R1-S | One Family Dwelling, Small Lot District | res_sf | — | — | — | — | — | — | — / — / — |
| R-2 | One and Two Family Dwelling District | res_sf | — | — | — | — | — | — | — / — / — |
| R-3 | Limited Multiple Dwelling District | res_mf | — | 45 ft[7] | 0.5[8] | — | — | — | — / — / — |
| R-4 | Multiple Dwelling District | res_mf | — | — | — | — | — | — | — / — / — |
| B-1 | Neighborhood Business District | com | — | — | — | — | — | — | — / — / — |
| B-2 | Community Business District | com | — | — | — | — | — | — | — / — / — |
| B-3 | General Commercial District | com | — | — | — | — | — | — | — / — / — |
| CBD | Central Business District | cbd | — | 45 ft[9] | — | — | — | — | — / — / — |
| TUD | TUD — Traditional/Transitional Urban Development District (provisional name) | mu | — | — | — | — | — | — | — / — / — |
| I-1 | Planned Industrial District | ind | — | — | — | — | — | — | — / — / — |
| M-1 | Light Industry District | ind | — | — | — | — | — | — | — / — / — |
| M-2 | Heavy Industry District | ind | — | — | — | — | — | — | — / — / — |
Confidence: confirmed partial under review not found
Overlays
FP
Floodplain Overlay (separate Chapter 153)
FPSH
Shoreland Overlay (MN DNR-mandated; Chapter 156 or separate)
ENVPUD
Planned Unit Development flexibility (§ 156.099)
DEVState preemptions
MN-MPA-462.357-MunicipalZoningAuthorityBaselineapplies
Qualifying condition
North Mankato is a Minnesota statutory or home-rule charter city in Nicollet County (FIPS 2743918, population 15,129). All Minnesota cities — statutory and home-rule — operate under MPA Chapter 462, with §462.357 the principal grant of municipal zoning power. North Mankato Chapter 156 (Zoning Code) within Title XV: Land Usage is the local implementing instrument. Source: zoning/us/minnesota/preemptions.md §'Constitutional and Statutory Framework'; MN Statutes §462.357.
MN-MSBC-326B-StateBuildingCodeapplies
Qualifying condition
Per §326B.121, MSBC is automatically enforceable in the 7-county Twin Cities metro and in specifically listed jurisdictions. Outside that universe, cities may opt to enforce or not — this is the inverse of most states. North Mankato is in Nicollet County (outside the 7-county metro). Whether North Mankato has adopted MSBC enforcement is a city-specific question not re-verified this pass; the 2020 MSBC is the binding statewide code IF adopted by ordinance.
MN-WCA-103G-WetlandConservationActapplies
Qualifying condition
WCA applies statewide; no city is exempt. North Mankato sits along the Minnesota River and contains regulated wetlands within the Minnesota River corridor and tributary drainages. No-net-loss replacement is required for any wetland impact regardless of local zoning approval. Administered by local government (City of North Mankato or Nicollet County SWCD) under BWSR oversight.
MN-DNR-Shoreland-103F.201applies
Qualifying condition
North Mankato is adjacent to the Minnesota River (north city boundary). The Minnesota River is a public water of the state; MN Rules 6120 require all local governments with public-water shorelines to adopt and administer a shoreland ordinance with classification-appropriate dimensional standards (lot size, structure setback from OHWM, impervious surface limits, vegetation preservation). Whether North Mankato has adopted a free-standing shoreland chapter or integrated those standards into Chapter 156 is partial pending Chapter 156 direct retrieval. Standards: 1,000 ft buffer from lakes/ponds, 300 ft from rivers/streams (or floodplain extent, whichever greater).
Non-applicable laws (3)
MN-MissingMiddle-SF4-HF1-DID-NOT-PASSnot_applicable
Qualifying condition
Vehicle bills SF 4 / HF 1 (2023) and HF 4009 / SF 3964 (2024) both died in committee — not enacted, not signed, not in force. North Mankato 15,129 population would have crossed the ≥5,000 proposed threshold but the threshold itself never became law. Source: zoning/us/minnesota/preemptions.md §'Important Correction' and §'2023-2024 missing-middle / parking bills — failed'.
MN-MetropolitanLandPlanningAct-Ch473not_applicable
Qualifying condition
County test: Nicollet ∉ {Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, Washington}. Source: zoning/us/minnesota/preemptions.md §'Metropolitan Council — Regional Layer (Twin Cities)' and §'Metropolitan Land Planning Act — THRIVE 2040 and MUSA'.
MN-StarterHomeAct-HF1987-SF2229-PENDINGpending_legislation
Qualifying condition
If enacted, would require all MN cities to permit single-family, duplex, townhouse, and ADU as-of-right in residential zones; floor minimum lot sizes (5,445 sf SF/duplex, 1,500 sf townhouse); ban parking minimums for starter-home units; ban prescriptive aesthetic mandates. North Mankato (pop 15,129) would be subject to all provisions. Status: pending — track for 2026 supplemental session outcome.
Adopted building codes
Statewide; extensive amendments
Click a code label to open its state-by-state adoption atlas.
Amendment history
| Date | Kind | Citation |
|---|---|---|
| pass research date |
Quirks & notes
- CORRECTED 2026-05-18: Prior v1 profile cited the zoning chapter as 'Title 40'. North Mankato does not have a Title 40 — the City Code is organized into Titles I through XV plus Tables, Parallel References, etc. The zoning code is Chapter 156 within Title XV: Land Usage. The amlegal URL slug is `nmankato_mn`, not `northmankato_mn` (v1 also had the wrong URL stub). This is a basic citation hygiene failure in v1 that propagated through every overlay and district 'ordinance_ref' field. (c§ City of North Mankato Code TOC root (https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-1))
- CORRECTED 2026-05-18: Prior v1 profile asserted MN SF 4 / HF 1 Missing Middle Housing was enacted in 2023 and applied to North Mankato — mandating duplexes and triplexes by-right in R-1 and R-2 zones regardless of local restrictions. This is INCORRECT. Both the 2023 SF 4 / HF 1 and the 2024 HF 4009 / SF 3964 re-introduction died in committee under suburban DFL and League of Minnesota Cities opposition. As of 2026-05-18 there is NO statewide missing-middle preemption in Minnesota. North Mankato R-1 use rules are entirely governed by local § 156.037 (single-family only); R-2 (§156.039) is named 'One AND Two Family Dwelling District', which permits duplexes BY LOCAL ORDINANCE — not by state preemption. The Starter Home Act (HF 1987 / SF 2229) is pending in the 94th Legislature and would be the first such preemption if enacted. (c§zoning/us/minnesota/preemptions.md (2026-05-18 'Important Correction' and '2023-2024 missing-middle / parking bills — failed'); c§Minnesota Reformer 2024-04-04)
- FABRICATED OVERLAY REMOVED: Prior v1 profile asserted a 'Downtown Historic District Overlay (HD)' with Architectural Review Committee design-review parameters. North Mankato does NOT have an adopted historic preservation overlay. As of January 2024 the City was inviting residents to a special Council meeting with the State Historic Preservation Office (SHPO) to CONSIDER establishing a preservation program — i.e., the city had not yet adopted a Heritage Preservation Commission or a preservation overlay ordinance. v2 removes HD from overlays[] and documents the removal in v1_overlays_removed[]. (c§https://northmankato.com/news_detail_T43_R154.php (2024 Historic Preservation Presentation invitation); c§Mankato Free Press 2024 'North Mankato looks at forming a historic preservation commission')
- GEOGRAPHIC ERROR IN v1: v1 profile asserted a 'Commercial Corridor Overlay (CC)' applied to 'Highway 22' frontage. Highway 22 (MN 22) does NOT run through North Mankato. The primary highways are US 169 (north-south along the Minnesota River corridor) and MN 14 (east-west, running south through Mankato proper, not North Mankato). v1's CC overlay claim with MN 22 trigger is geographically incorrect — there is no MN 22 in North Mankato to overlay. CC overlay removed; if a corridor overlay exists for US 169 or MN 14 frontage, future investigator should verify directly from Chapter 156. (c§MnDOT North Mankato city map (https://www.dot.state.mn.us/maps/gdma/data/maps/city/Over5000/general_maps/northmankato.pdf) — shows US 169 and MN 14 as primary highways, no MN 22)
- v1 PROFILE FABRICATED DIMENSIONAL VALUES: v1 populated ~75 dimensional numeric values across 9 districts; the majority were marked with confidence 'i' (inferred) or 'p' (partial) with no primary-source §-citation. This pass confirmed via Google snippet retrieval that v1's R-1 values were WRONG (10,000 sf actual=9,000; 35 ft actual=30; 25/10/20 setbacks actual=30/10/25); v1 R-3 was a flat-density misread (actual=11,000 base + 1,500 per additional unit attached); v1 commercial values (C-1/C-2/C-3 vs actual B-1/B-2/B-3/CBD) were misnamed AND mis-numbered. v2 demotes all v1-'inferred' values to status:not_captured + paired not_captured_reason rather than carrying forward false numbers. Truth + null beats lie + value. (v1 profile self-marked with 'i' confidence flag on ~24 fields; Google snippet of § 156.037 (R-1) contradicts v1 R-1 values)
- FLOODPLAIN IS A SEPARATE CHAPTER: Flood-plain regulations live in Chapter 153 (Flood Plain Management), NOT in Chapter 156 (Zoning). Floodplain-prone parcels carry BOTH a Chapter 156 base zoning designation AND Chapter 153 floodplain overlay applied as separate concurrent regulations. v1 collapsed this into a single 'Title 40 FH overlay' — corrected here. § 153.04 'Requirements for All Floodplain Districts' confirmed to exist at codelibrary.amlegal.com. (c§ City of North Mankato Code § 153.04 (https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-11641))
- Minnesota River shoreland constraint: North Mankato sits on the Minnesota River (north / east city boundary). MN DNR shoreland rules (MN Rules 6120.2500–6120.3900 under §103F.201) require local governments with public-water shorelines to adopt shoreland ordinances with 300-ft buffer setback from the OHWM, impervious-surface caps, and bluff-impact-zone restrictions. Whether North Mankato has integrated those standards into Chapter 156 or carries a separate shoreland chapter is partial pending direct retrieval, but the constraint applies regardless of local adoption status. (c§MN Statutes §103F.201; c§MN Rules 6120; c§geographic fact (Minnesota River adjacency))
- RENTAL DENSITY OVERLAY: North Mankato applies a 10%-per-block rental license cap in R-A, R-1, R-1S, and R-2 zones per City Code Chapter 151.18 (currently under 2024 review per northmankato.com community-development page). This is a NUISANCE / LICENSING tool that effectively caps rental conversions in SF residential zones; it is NOT a zoning overlay in the Chapter 156 sense, but it materially constrains feasibility of any duplex/ADU strategy in the affected zones. Not coded as an overlay in this profile but flagged here as a quirk. (c§https://www.northmankato.com/services/community_development/north_mankato_rental_density_review.php; c§ City Code Chapter 151.18)
- No county zoning overlay complexity: North Mankato is a fully incorporated city within Nicollet County. Nicollet County zones unincorporated areas only; North Mankato's Chapter 156 applies within city limits. Single-jurisdiction simplicity eliminates dual-approval pathways. (c§Minnesota municipal-county governance (MN Stat Chapter 462 city authority vs. Chapter 394 county zoning))
Formulas
Definitions
- height
- Story-and-feet dual standard (e.g. R-1: 2.5 stories AND 30 ft, whichever is lower)
- lot_coverage
- Ground coverage of all main and accessory buildings as fraction of lot area
- far
- Gross floor area / lot area (not confirmed as Chapter 156 metric; v2 retains v1 inferred values as partial)
- du_ac
- Computed from min_lot_sf (43,560 / min_lot_sf for SF; multi-family uses base+per-unit formula in R-3)
- setback_front
- Front yard from property line to nearest building face
- setback_side
- Side yard each side of the building
- setback_rear
- Rear yard from property line
- parking
- Off-street spaces per dwelling unit per § 156.053
Capacity calculations
- max_footprint_sf
lot_area_sf * lot_coverage- max_units_from_density_sf
lot_area_sf / min_lot_sf (SF districts)- max_units_r3_formula
1 unit per first 11,000 sf for first 3 units + 1 unit per additional 1,500 sf attached- parking_required
units * parking_per_unit_per_§156.053
Massing explorer
Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.
Sort by
Max height
— ft
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Floor area ratio
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Lot coverage
—%
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Setbacks (F / S / R)
— ft
——
Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
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| District | Category | Height | FAR | Coverage | Setbacks | Parking | Density | Min lot | Overlays |
|---|
Sources & references
Primary source
Secondary sources
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-1
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-11641
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-9391
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-9531
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-9864
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-9965
- https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-10608
- https://www.northmankato.com/services/community_development/index.php
- https://www.northmankato.com/services/community_development/north_mankato_rental_density_review.php
- https://www.dot.state.mn.us/maps/gdma/data/maps/city/Over5000/general_maps/northmankato.pdf
Citations
- [1] § City of North Mankato Code § 156.037 — 'front yard of not less than 30 feet'
- [2] § City of North Mankato Code § 156.037 — 'side yard, on each side of the building, each not less than 10 feet'
- [3] § City of North Mankato Code § 156.037 — 'rear yard of not less than 25 feet'
- [4] § City of North Mankato Code § 156.037 — 'Every single family dwelling erected shall require a lot area of not less than 9,000 square feet' (Google snippet)
- [5] § City of North Mankato Code § 156.037 — 'two and one-half stories or 30 feet in height' (whichever lower)
- [6] omputed §
- [7] § City of North Mankato Code § 156.040 — 'shall not exceed 45 feet in height, except as may be permitted in division (D)(4)'
- [8] § City of North Mankato Code § 156.040 — 'Not more than 50% of a lot or plot shall be covered by all main and accessory buildings'
- [9] § City of North Mankato Code § 156.045 — 'shall not exceed 4 stories or 45 feet in height'
Research status
Publication gates
| primary url present | passed | code_source = https://codelibrary.amlegal.com/codes/northmankato/latest/nmankato_mn/0-0-0-5278 — official municipal codification (American Legal Publishing), not an aggregator. Secondary city-owned URLs at northmankato.com and dot.state.mn.us. |
|---|---|---|
| no aggregator cited | passed | scan clean — no references to zoneomics, steadily, siteplanguide, sitedesignguide, siteplancreator, propwire, zonara, or unzoned. All citations point to codelibrary.amlegal.com, northmankato.com, revisor.mn.gov, dli.mn.gov, dnr.state.mn.us, FEMA NFHL, dot.state.mn.us, Mankato Free Press, or the MN preemptions MD. |
| confidence tags full form | passed | 14 confirmed fields (R-1 min_lot_sf 9000 §156.037, R-1 width 90 / depth 100 §156.037, R-1 height 30 ft / 2.5 stories §156.037, R-1 accessory 22 ft §156.037, R-1 setbacks 30/10/25 §156.037, R-3 11,000+1,500 formula §156.040, R-3 width 100 §156.040, R-3 height 45 §156.040, R-3 accessory 22 §156.040, R-3 coverage 50% §156.040, CBD width 25 §156.045, CBD depth 140 §156.045, CBD height 4-stories / 45 ft §156.045, plus 3 overlay existence facts and § 156.099 PUD flexibility) all carry §-citations to Chapter 156. Remaining 11 partial fields carry status:partial + retrieval_failure_reason + paired §-form citation. 10 not_found fields carry status:not_found + search_performed + retrieval_failure_reason per FM-8 paired-field rules. |
| overlays have parameters trigger confidence | passed | 3/3 overlays (FP Chapter 153, SH shoreland, PUD §156.099) have non-empty parameters arrays (≥4 items each), explicit geographic_trigger string, explicit status, and §-citation. SH is status:under_review with paired qualifying_condition_checked + retrieval_failure_reason. v1 overlays HD/POB/CC removed and documented in v1_overlays_removed[]. |
| preempt section city specific | passed | 7 MN-specific entries with city-specific qualifying_condition_checked: (1) SF 4/HF 1 Missing Middle DID NOT PASS — corrected against v1; (2) MPA §462.357 baseline applies; (3) Ch. 473 Met Council does NOT apply (Nicollet ∉ 7-county metro); (4) MSBC §326B partial (local opt-in question); (5) WCA §103G applies (Minnesota River wetlands); (6) MN DNR shoreland §103F.201 applies (Minnesota River shoreline); (7) Starter Home Act HF 1987/SF 2229 pending — not in force. Each entry carries population 15,129, Nicollet County, or specific statute references — not link-stubs. |
Data quality
45%completeness14 confirmed11 partial10 not found
Documented gaps
- Chapter 156 dimensional body text for: R-A (§156.036), R1-S (§156.038), R-2 (§156.039), R-4 (§156.041), B-1 (§156.042), B-2 (§156.043), B-3 (§156.044), TUD (section TBD), I-1 (§156.046), M-1 (§156.047), M-2 (§156.048). Requires direct PDF or browser-nav of codelibrary.amlegal.com, or Planning Dept contact (Mike Fischer, 507-625-4141).
- Chapter 156 § 156.053 Off-Street Parking and Loading — body text not retrieved; all per-district parking ratios are status:not_captured
- Chapter 153 Floodplain — full body text not retrieved; freeboard, compensatory storage formula, and floodway no-fill specifics are partial
- Shoreland district / chapter — adopting instrument not identified (whether integrated into Chapter 156 as an overlay or in a separate shoreland chapter)
- TUD district section number, full name, and dimensional standards — provisional
- Whether North Mankato has adopted MSBC enforcement — partial
- Population 15,129 and county population 35,941 figures carried from v1 without re-verifying against 2020 Census primary source this pass
- v1 R-1 setback values (25/10/20) were WRONG (actual 30/10/25); auditing the rest of the corpus for similar v1 numeric errors in Chapter 156 districts is recommended
Known issues
priority:lowcohort:needs-dom-retrievalblocker:cloudflare-amlegaldata:gaps-presentv1:wrong-chapter-citation-correctedv1:fabricated-overlay-removed
Other cities in this state
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