Draft chapter 166: Establishment of Zoning Districts and the Official Zoning Map

§ 166.14 Residential Manufactured Housing District (R-M)

The 2026 draft's § 166.14 beside the current code's Zoning § RM.01, Zoning § RM.02, Zoning § RM.03, Zoning § RM.04: removed words are struck through, added words underlined.

Comparison with a draft: not adopted. The archive holds no public hearing, ordinance or vote adopting the recodified Code through the October 20, 2026 meeting packet. Until one is adopted, every page here compares the consolidated code with a draft that can still change: the revised draft with the October 6 changes is not in the archive.

A comparison with the August 2026 draft recodification prepared by Iowa Codification for the City. The draft has not been adopted and can still change; the current code (unofficial compilation) governs until a recodified Code is adopted. Matches between sections are made by machine from the texts and are reviewed where uncertain.

Merged largely rewritten (70% same words)

Ord. 2013-333, 2017-393 amend this part of the current code in ways not read to its sections: some differences may come from those ordinances, not from the draft.

Notable changes

  • New requirement: …yard requirement stated herein. C. Day care facilities must provide a minimum of 150-square feet of outdoor play area for each child cared for. R-M.06 SIGN REGULATIONS shall comply with State administrative requirements in I.A.C. 441-11(237A). 7. Table R-M R-M Minimum Lot Requirements Minimum Lot Size Minimum Yard Requirements Requirements Side Side Side R-M Front Yard Rear Frontage Yard Yard Depth Area Yard Street Yard Maximum Width 3 (ft) (sq.ft) Depth Side, Depth Height (ft) Story Story (ft) Corner (ft) (ft) (ft) Lot (ft) Permitted 1½ Principal 60 100 6000 15… Signs are permitted according to the provisions of…
  • Text removed: …except in accordance with the provisions of this Ordinance. Table R-M R-M MINIMUM LOT REQUIREMENTS Minimum Lot Size Requirements Minimum Yard Requirements Side Yard Side Side Street Front Yard Yard Side, Rear Frontage Yard 3 Corner Yard Maximum R-M Width Depth Area Depth Story Story Lot Depth Height (ft) (ft) (sq ft) (ft) (ft) (ft) (ft) (ft) Permitted Principal 1.5 Uses and stories or Structures 60 100 6000 15 10 15 15 15 15 ft Permitted Accesso… Zoning Code. …

What changed

and DESCRIPTION OF DISTRICT This district 1. Description of District. The R-M District intends to accommodate residential manufactured housing in areas of the community where their use will be compatible with existing and projected development. This district will usually be located in outlying areas of the City and should be well served by adequate sewers, water service, streets, police and fire protection, and similar public facilities and services services.
USES AND STRUCTURES PERMITTED 2. Principal Uses and Structures Permitted. Manufactured Housing Residential Family housing residential family dwelling unit as particularly defined herein under “Manufactured Home”. A “manufactured home” Home.” For the purposes of this district a mobile home is not a “mobile home”, which are addressed in Section R-M.01. manufactured home.
USES AND STRUCTURES PERMITTED 3. Accessory Uses and Structures Permitted. Uses and structures, accessory to a principal permitted use or a special exception use, are permitted subject to the provisions of Section 9.05. 165.11.
EXCEPTION USES 4. Special Exception Uses. The following special exceptions are permitted in the Manufactured Home Residential R-M District, subject to provisions of Section 11.07, 165.27(7), which mandates the approval of all special exceptions by the Board of Adjustment.
A. Cemetery or mausoleum mausoleum.
B. Public utilities utilities.
C. Swimming pools, golf courses and country clubs, except miniature courses or driving ranges operated for a profit profit.
D. Long-term care facilities.
E. Day care facility
F.
Bed and breakfast houses houses.
R-M.05 AREA REQUIREMENTS 5. Area Requirements. The minimum areas and widths, density, setbacks, and height restrictions, are as prescribed in the following Table RM; R-M; provided however,
6.
the following requirements must be applied when applicable:
A. Any lot adjacent to U.S. Highway 6, in any way, is required to have a 20-foot setback in addition to the minimum yard requirements stated herein, except those properties that are located adjacent to U.S. Highway 6 beginning at the east line of Main Street to a point 233 feet, more or less, west of the intersection with Roberts Ferry Road and U.S. Highway Six, 6, which must be required to have a 32-foot setback, in addition to the minimum yard requirements state stated herein.
B. Any lot adjacent to a railroad right-of-way, in any way way, must be required to have a 50-foot setback in addition to the minimum yard requirement stated herein.
C. Day Care Facilities. All new day care facilities must provide a minimum of 150-square feet of outdoor play area for each child cared for. shall comply with State administrative requirements in I.A.C. 441-11(237A).
R-M.06 SIGN REGULATIONS 7. Table R-M R-M Minimum Lot Requirements Minimum Lot Size Minimum Yard Requirements Requirements Side Side Side R-M Front Yard Rear Frontage Yard Yard Depth Area Yard Street Yard Maximum Width One Two
(ft) (sq.ft) Depth Side, Depth Height
(ft) Story Story
(ft) Corner (ft)
(ft) (ft) Lot (ft) Permitted 1½ Principal 60 100 6,000 15 10 15 15 15 stories or Uses and 15 ft Structures Permitted 1½ Accessory 80 100 10,000 40 20 20 25 40 stories or Uses and 15 ft Structures
8. Sign Regulations.
Signs are permitted according to the provisions of Section 6. Chapter
R-M.07 PARKING REGULATIONS 9. Parking Regulations. Parking must be provided according to the provisions or Section 7. 165.06.
R-M.08 LIGHTING REGULATIONS 10. Lighting Regulations. Exterior lighting is regulated according to the provisions of Section 8. 165.07.
R-M.09 LANDSCAPING REGULATIONS 11. Landscaping Regulations. At the time of a building permit Building Permit in any zone, the applicant must supply a landscaping plan for review by the Planning and Zoning commission Commission or the city City designee. The plan must be appropriate to the zone and must be submitted at the time of application for the building permit. zone. The plan is subject to review and approval of the city.
City. Residential zones must provide in their landscaping plans for the placement of no less than one deciduous tree per building parcel. The P&Z Planning and Zoning Commission may also request additional landscaping, such as shrubs and border vegetation if it appears to be beneficial to the building plan.
R-M.10 SPECIAL REGULATIONS 12. Special Regulations. Manufactured homes converted to real estate must be at least 22 feet wide and must comply with the same yard and area requirements as two-family dwellings in the R-2 district. In addition, the following requirements must be met:
A. The manufactured homes must be located on and permanently attached to a cement slab that is a minimum length of the trailer itself and of a width of a at least four feet greater than the actual width of the trailer such that the slab extends four feet or more beyond the side of the manufactured home on the doorway side.
B. No manufactured home must shall be located, occupied, or used as a temporary place of residence except in accordance with the provisions of this Ordinance.
Table R-M R-M MINIMUM LOT REQUIREMENTS Minimum Lot Size Requirements Minimum Yard Requirements Side Yard Side Side Street Front Yard Yard Side, Rear Frontage Yard One Two Corner Yard Maximum R-M Width Depth Area Depth Story Story Lot Depth Height
(ft) (ft) (sq ft) (ft) (ft) (ft) (ft) (ft) Permitted Principal 1 1/2 Uses and stories or Structures 60 100 6,000 15 10 15 15 15 15 ft Permitted Accessory 1 1/2 Uses and stories or Structures 80 100 10,000 40 20 20 25 40 15 ft
COMMERCIAL DISTRICTS BUSINESS, OFFICE, SPECIALIZED INTENT AND DESCRIPTION OF DISTRICT Commercial district regulations are intended to govern the location, intensity, and method of development of the businesses, offices, and services needed to serve the residents and commercial patrons of the City of Tiffin. The regulations in each district provide for groupings of business, office, and service uses that are compatible in the type of commodity sold, the activity performed, and the services offered. Petitioners for commercial zoning are encouraged to apply for such zoning only in areas designated for “commercial or office research” uses on the Land Use Plan of the City of Tiffin, Iowa.
There are three (3) major classifications of commercial activity, each with sub classifications:
COMMERCIAL/BUSINESS DISTRICTS: C-1B = Neighborhood Business District C-2B- = Community Business District
COMMERCIAL/OFFICE DISTRICTS: C-1O = Restricted Office District C-2O – Office and Research District
COMMERCIAL/SPECIALIZED DISTRICTS: C-1S = Downtown District
To determine the restrictiveness of the commercial zoning classifications, each of the districts must be deemed independent and equally restrictive, with no hierarchy, cumulativeness, or progression applying among them.
C-1B COMMERCIAL DISTRICT NEIGHBORHOOD BUSINESS
Zoning Code.

Word-level comparison of the current texts with the draft's; spacing and paragraph breaks come from the documents' text. Footnotes are left out.

Current code

Zoning § RM.01 Intent

and DESCRIPTION OF DISTRICT This district intends to accommodate residential manufactured housing in areas of the community where their use will be compatible with existing and projected development. This district will usually be located in outlying areas of the City and should be well served by adequate sewers, water service, streets, police and fire protection, and similar public facilities and services

Zoning Ordinance (2007) · source page

Zoning § RM.02 Principal

USES AND STRUCTURES PERMITTED Manufactured Housing Residential Family dwelling unit as particularly defined herein under “Manufactured Home”. A “manufactured home” is not a “mobile home”, which are addressed in Section R-M.01.

Zoning Ordinance (2007) · source page

Zoning § RM.03 Accessory

USES AND STRUCTURES PERMITTED Uses and structures, accessory to a principal permitted use or a special exception use, are permitted subject to the provisions of Section 9.05.

Zoning Ordinance (2007) · source page

Zoning § RM.04 Special

EXCEPTION USES The following special exceptions are permitted in the Manufactured Home Residential District, subject to provisions of Section 11.07, which mandates the approval of all special exceptions by the Board of Adjustment.

A. Cemetery or mausoleum

B. Public utilities

C. Swimming pools, golf courses and country clubs, except miniature courses or driving ranges operated for a profit

D. Long-term care facilities.

E. Day care facility

F. Bed and breakfast houses

R-M.05 AREA REQUIREMENTS The minimum areas and widths, density, setbacks, and height restrictions, are as prescribed in the following Table RM; provided however, the following requirements must be applied when applicable:

A. Any lot adjacent to U.S. Highway 6, in any way, is required to have a 20-foot setback in addition to the minimum yard requirements stated herein, except those properties that are located adjacent to Highway 6 beginning at the east line of Main Street to a point 233 feet, more or less, west of the intersection with Roberts Ferry Road and Highway Six, which must be required to have a 32-foot setback, in addition to the minimum yard requirements state herein.

B. Any lot adjacent to a railroad right-of-way, in any way must be required to have a 50-foot setback in addition to the minimum yard requirement stated herein.

C. Day care facilities must provide a minimum of 150-square feet of outdoor play area for each child cared for.

R-M.06 SIGN REGULATIONS Signs are permitted according to the provisions of Section 6.

R-M.07 PARKING REGULATIONS Parking must be provided according to the provisions or Section 7.

R-M.08 LIGHTING REGULATIONS Exterior lighting is regulated according to the provisions of Section 8.

R-M.09 LANDSCAPING REGULATIONS At the time of a building permit in any zone, the applicant must supply a landscaping plan for review by the Planning and Zoning commission or the city designee. The plan must be appropriate to the zone and must be submitted at the time of application for the building permit. The plan is subject to review and approval of the city.

Residential zones must provide in their landscaping plans for the placement of no less than one deciduous tree per building parcel. The P&Z may also request additional landscaping, such as shrubs and border vegetation if it appears to be beneficial to the building plan.

R-M.10 SPECIAL REGULATIONS Manufactured homes converted to real estate must be at least 22 feet wide and must comply with the same yard and area requirements as two-family dwellings in the R-2 district. In addition, the following requirements must be met:

The manufactured homes must be located on and permanently attached to a cement slab that is a minimum length of the trailer itself and of a width of a least four feet greater than the actual width of the trailer such that the slab extends four feet or more beyond the side of the manufactured home on the doorway side.

No manufactured home must be located, occupied, or used as a temporary place of residence except in accordance with the provisions of this Ordinance.

Table R-M R-M MINIMUM LOT REQUIREMENTS Minimum Lot Size Requirements Minimum Yard Requirements Side Yard Side Side Street Front Yard Yard Side, Rear Frontage Yard One Two Corner Yard Maximum R-M Width Depth Area Depth Story Story Lot Depth Height

(ft) (ft) (sq ft) (ft) (ft) (ft) (ft) (ft) Permitted Principal 1 1/2 Uses and stories or Structures 60 100 6,000 15 10 15 15 15 15 ft Permitted Accessory 1 1/2 Uses and stories or Structures 80 100 10,000 40 20 20 25 40 15 ft

COMMERCIAL DISTRICTS BUSINESS, OFFICE, SPECIALIZED INTENT AND DESCRIPTION OF DISTRICT Commercial district regulations are intended to govern the location, intensity, and method of development of the businesses, offices, and services needed to serve the residents and commercial patrons of the City of Tiffin. The regulations in each district provide for groupings of business, office, and service uses that are compatible in the type of commodity sold, the activity performed, and the services offered. Petitioners for commercial zoning are encouraged to apply for such zoning only in areas designated for “commercial or office research” uses on the Land Use Plan of the City of Tiffin, Iowa.

There are three (3) major classifications of commercial activity, each with sub classifications:

COMMERCIAL/BUSINESS DISTRICTS: C-1B = Neighborhood Business District C-2B- = Community Business District

COMMERCIAL/OFFICE DISTRICTS: C-1O = Restricted Office District C-2O – Office and Research District

COMMERCIAL/SPECIALIZED DISTRICTS: C-1S = Downtown District

To determine the restrictiveness of the commercial zoning classifications, each of the districts must be deemed independent and equally restrictive, with no hierarchy, cumulativeness, or progression applying among them.

C-1B COMMERCIAL DISTRICT NEIGHBORHOOD BUSINESS

Zoning Ordinance (2007) · source page

2026 draft

§ 166.14 Residential Manufactured Housing District (R-M)

1. Description of District. The R-M District intends to accommodate residential manufactured housing in areas of the community where their use will be compatible with existing and projected development. This district will usually be located in outlying areas of the City and should be well served by adequate sewers, water service, streets, police and fire protection, and similar public facilities and services.

2. Principal Uses and Structures Permitted. Manufactured housing residential family dwelling unit as particularly defined herein under “Manufactured Home.” For the purposes of this district a mobile home is not a manufactured home.

3. Accessory Uses and Structures Permitted. Uses and structures, accessory to a principal permitted use or a special exception use, are permitted subject to the provisions of Section 165.11.

4. Special Exception Uses. The following special exceptions are permitted in the R-M District, subject to provisions of Section 165.27(7), which mandates the approval of all special exceptions by the Board of Adjustment.

A. Cemetery or mausoleum.

B. Public utilities.

C. Swimming pools, golf courses and country clubs, except miniature courses or driving ranges operated for a profit.

D. Long-term care facilities.

E. Bed and breakfast houses.

5. Area Requirements. The minimum areas and widths, density, setbacks, and height restrictions, are as prescribed in the following Table R-M; provided however,

6. the following requirements must be applied when applicable:

A. Any lot adjacent to U.S. Highway 6, in any way, is required to have a 20-foot setback in addition to the minimum yard requirements stated herein, except those properties that are located adjacent to U.S. Highway 6 beginning at the east line of Main Street to a point 233 feet, more or less, west of the intersection with Roberts Ferry Road and U.S. Highway 6, which must be required to have a 32-foot setback, in addition to the minimum yard requirements stated herein.

B. Any lot adjacent to a railroad right-of-way, in any way, must be required to have a 50-foot setback in addition to the minimum yard requirement stated herein.

C. Day Care Facilities. All new day care facilities shall comply with State administrative requirements in I.A.C. 441-11(237A).

7. Table R-M R-M Minimum Lot Requirements Minimum Lot Size Minimum Yard Requirements Requirements Side Side Side R-M Front Yard Rear Frontage Yard Yard Depth Area Yard Street Yard Maximum Width One Two

(ft) (sq.ft) Depth Side, Depth Height

(ft) Story Story

(ft) Corner (ft)

(ft) (ft) Lot (ft) Permitted 1½ Principal 60 100 6,000 15 10 15 15 15 stories or Uses and 15 ft Structures Permitted 1½ Accessory 80 100 10,000 40 20 20 25 40 stories or Uses and 15 ft Structures

8. Sign Regulations. Signs are permitted according to the provisions of Chapter

9. Parking Regulations. Parking must be provided according to the provisions or Section 165.06.

10. Lighting Regulations. Exterior lighting is regulated according to the provisions of Section 165.07.

11. Landscaping Regulations. At the time of a Building Permit in any zone, the applicant must supply a landscaping plan for review by the Planning and Zoning Commission or the City designee. The plan must be appropriate to the zone. The plan is subject to review and approval of the City. Residential zones must provide in their landscaping plans for the placement of no less than one deciduous tree per building parcel. The Planning and Zoning Commission may also request additional landscaping, such as shrubs and border vegetation if it appears to be beneficial to the building plan.

12. Special Regulations. Manufactured homes converted to real estate must be at least 22 feet wide and must comply with the same yard and area requirements as two-family dwellings in the R-2 district. In addition, the following requirements must be met:

A. The manufactured homes must be located on and permanently attached to a cement slab that is a minimum length of the trailer itself and of a width of at least four feet greater than the actual width of the trailer such that the slab extends four feet or more beyond the side of the manufactured home on the doorway side.

B. No manufactured home shall be located, occupied, or used as a temporary place of residence except in accordance with the provisions of this Zoning Code.

August 2026 draft · page 503

Back to draft chapter 166 · All changes

Data last updated October 22, 2026. Built from the archive's documents; see how the data is built.