[R.O. 2008 § 520.010; Ord. No. 1532, 12-21-2020]
When used in this Chapter, the following words shall have the following meanings:
EGRESS ROOF ACCESS WINDOW
A skylight or roof window designed and installed to satisfy the emergency escape and rescues opening requirements of Section R310.2 of the International Residential Code.
LANDING PLATFORM
A landing provided as the top step of a stairway accessing a loft.
LOFT
A floor level located more than thirty (30) inches (762 mm) above the main floor, open to the main floor on one (1) or more sides with a ceiling height of less than six (6) feet eight (8) inches (2,032 mm) and used as a living or sleeping space.
MOBILE TINY HOUSE
A tiny house that is equipped with wheels that are intended for the relocation of the dwelling.
TINY HOUSE
A dwelling that is four hundred (400) square feet (37 m2) or less in floor area excluding lofts.
[R.O. 2008 § 520.015; Ord. No. 1532, 12-21-2020]
This Chapter shall apply to tiny houses used as single-family dwelling units. Tiny houses shall comply with this Chapter except as otherwise stated within the Code.
[R.O. 2008 § 520.020; Ord. No. 1532, 12-21-2020]
A. 
Habitable space and hallways in tiny houses shall have a ceiling height of not less than six (6) feet eight (8) inches (2,032 mm).
B. 
Bathrooms, toilet rooms, and kitchens shall have a ceiling height of not less than six (6) feet four (4) inches (1,930 mm).
C. 
Obstructions, including, but not limited to, beams, girders, ducts, and lighting shall not extend below these minimum ceiling heights.
D. 
Ceiling heights in loft areas are permitted to be less than six (6) feet eight (8) inches (2,032 mm).
[R.O. 2008 § 520.025; Ord. No. 1532, 12-21-2020]
A. 
Minimum Loft Area And Dimensions.
1. 
Lofts shall have a floor area of not less than thirty-five (35) square feet (3.25 m2).
2. 
Lofts shall not be less than five (5) feet (1,524 mm) in any horizontal direction.
3. 
Portions of a loft with a sloped ceiling measuring less than three (3) feet (914 mm) from the finished floor to the finished ceiling shall not be considered as contributing to the minimum required area for the loft.
4. 
Under gable roofs with a minimum slope of six (6) units vertical in twelve (12) units horizontal [fifty percent (50%) slope], portions of a loft with a sloped ceiling measuring less than sixteen (16) inches (406 mm) from the finished floor to the finished ceiling shall not be considered as contributing to the minimum required area for the loft.
B. 
Loft Access.
1. 
Stairways.
a. 
Stairways accessing a loft shall not be less than seventeen (17) inches (432 mm) in clear width at or above the handrail. The width below the handrail shall be not less than twenty (20) inches (508 mm).
b. 
The headroom in stairways accessing a loft shall be not less than six (6) feet two (2) inches (1,880 mm) as measured vertically from a sloped line connecting the tread or landing platform nosings in the middle of their width.
c. 
Risers for stairs accessing a loft shall be not less than seven (7) inches (178 mm) and not more than twelve (12) inches (305 mm) in height.
d. 
Tread depth and riser height shall be calculated in accordance with one (1) of the following formulas:
(1) 
The tread depth shall be twenty (20) inches (508 mm) minus four-thirds (4/3) of the riser height.
(2) 
The riser height shall be fifteen (15) inches (381 mm) minus three-fourths (3/4) of the tread depth.
e. 
The top tread and riser of the stairways accessing lofts shall be constructed as a landing platform where the loft ceiling height is less than six (6) feet two (2) inches (1,880 mm) where the stairway meets the loft. The landing platform shall be eighteen (18) inches (457 mm) to twenty-two (22) inches (559 mm) in depth measured from the nosing of the platform to the edge of the loft, and sixteen (16) inches (406 mm) to eighteen (18) inches (457 mm) in height measured from the landing platform to the loft floor.
f. 
Handrails shall comply with Section R311.7.8 of the International Residential Code.
g. 
Guards at open sides of stairways shall comply with Section R312.1 of the International Residential Code.
2. 
Ladders.
a. 
Ladders accessing lofts shall have a rung width of not less than twelve (12) inches (305 mm) and ten (10) inch (254 mm) to fourteen (14) inch (356 mm) spacing between rungs.
b. 
Ladders shall be capable of supporting a two hundred (200) pound (75 kg) load on any rung.
c. 
Rung spacing shall be uniform within three-eighths (3/8) inch (9.5 mm).
d. 
Ladders shall be installed between seventy degrees (70°) and eighty degrees (80°) from horizontal.
3. 
Alternating Tread Devices.
a. 
Alternating tread devices accessing lofts shall comply with Sections R311.7.11.1 and R311.7.11.2 of the International Residential Code.
b. 
The clear width at and below the handrails shall be not less than twenty (20) inches (508 mm).
4. 
Ships Ladders.
a. 
Ships ladders accessing lofts shall comply with Sections R311.7.12.1 and R311.7.12.2 of the International Residential Code.
b. 
The clear width at and below the handrails shall be not less than twenty (20) inches (508 mm).
C. 
Loft Guards.
1. 
Loft guards shall be located along the open sides of lofts.
2. 
Loft guards shall be not less than thirty-six (36) inches (914 mm) in height or one-half (1/2) of the clear height to the ceiling, whichever is less.
[R.O. 2008 § 520.030; Ord. No. 1532, 12-21-2020]
A. 
Tiny houses shall meet the requirements of Section R310 of the International Residential Code for emergency escape and rescue openings.
B. 
Egress roof access windows in lofts used as sleeping rooms shall be deemed to meet the requirements of Section R310 of the International Residential Code where installed such that the bottom of the opening is not more than forty-four (44) inches (1,118 mm) above the loft floor, provided the egress roof access window complies with the minimum opening area requirements of Section R310.2.1 of the International Residential Code.
[R.O. 2008 § 520.035; Ord. No. 1532, 12-21-2020]
A. 
Setback Requirements. Tiny houses shall, at a minimum, have the following setbacks:
Front
20 feet
Side
10 feet
Rear
15 feet
B. 
Lot Area Requirements.
1. 
Tiny house lots cannot be smaller than one thousand two hundred (1,200) square feet (112 m2) in area.
2. 
Tiny house lots must be between eighteen (18) feet (1.7 m) and thirty (30) feet (2.79 m) in width.
C. 
Prohibited Locations. Tiny houses are not permitted to be located in or on any of the following:
1. 
A Agricultural Zoning District.
2. 
R-1 Low Density Residential Zoning District.
3. 
R-2 Medium Density Residential Zoning District.
4. 
R-3 Two-Family Residential Zoning District.
5. 
R-4 Multi-Family Residential Zoning District.
6. 
PRD Planned Residential Development Zoning District.
7. 
B-1 Medium Density Business Zoning District.
8. 
B-2 High Density Business Zoning District.
9. 
I-1 Light Industrial Zoning District.
10. 
I-2 Heavy Industrial Zoning District.
11. 
PID Planned Industrial Zoning District.
12. 
WF Waterfront Zoning District.
13. 
Within fifty (50) feet (4.65 m) of any creek, river, creekbank, riverbank, or other waterway or its bank.
14. 
Any portion of a floodplain or floodway as illustrated on the most recent floodplain maps as published by the Federal Emergency Management Agency.
15. 
Any lot where a tiny house already exists.
D. 
General Regulations.
1. 
All tiny houses are required to have an occupancy inspection performed after the tiny house has been fully constructed or installed and before any residents move in. A new occupancy inspection will be required each time the tenant changes.
2. 
Short-term lodging in tiny houses is prohibited.
3. 
Each lot will only be permitted to have one (1) tiny house placed on said lot within a twelve-month period.
4. 
No tiny house shall be greater than two (2) stories tall.
5. 
Each tiny house will be required to have a minimum of one (1) parking space.
6. 
No more than two (2) occupants are permitted inside the tiny house at any time.
7. 
All mechanical equipment used in the operation of the tiny house shall be included into the structure of the tiny house and not simply placed on the roof.
8. 
Solar panels may be permitted on the roof of the tiny house upon approval by the Pevely Building Official.
[R.O. 2008 § 520.040; Ord. No. 1532, 12-21-2020]
A. 
In addition to the other rules and regulations listed within this Chapter, mobile tiny houses must also abide by the regulations listed in this Section.
B. 
Regulations.
1. 
All mobile tiny houses must be licensed and registered with the Missouri Department of Transportation.
2. 
Mobile tiny houses must not be movable under their own power.
3. 
When placed on a lot, the undercarriage components (wheels, axles, tongue, hitch, etc.) must be hidden from view with acceptable coverings as determined by the Pevely Building Official.
4. 
The mobile tiny house must sit on a paved surface pad that is at least six (6) inches (152 mm) thick, steel-reinforced, and large enough to fit the entire mobile tiny house.
5. 
The mobile tiny house must be anchored to the pad in such a way to withstand wind gusts of up to one hundred forty (140) miles per hour.