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ORDINANCE NO. 4151
AN ORDINANCE TO AMEND THE MUNICIPAL CODE OF THE CITY OF
AMES,IOWA,BY ENACTING A NEW SECTION 29.408(7)(d) THEREOF,
FOR THE PURPOSE OF THE ADDITION OF REGULATIONS TO
ALLOW FOR THE CONSTRUCTION OF SHARED COMMON LOT LINE
GARAGES; REPEALING ANY AND ALL ORDINANCES OR PARTS OF
ORDINANCES IN CONFLICT TO THE EXTENT OF SUCH CONFLICT;
PROVIDING A PENALTY;AND ESTABLISHING AN EFFECTIVE DATE.
BE IT ENACTED,by the City Council for the City of Ames,Iowa,that:
Section One. The Municipal Code of the City of Ames,Iowa shall be and the same is hereby amended by
enacting a new Section 29.408(7)(d)as follows:
Sec.29.408. OTHER GENERAL DEVELOPMENT STANDARDS.
Section 29.408(7)(d):
(d) The following requirements apply to shared common lot line garages and accessory buildings in Agricultural,
Residential and Hospital/Medical districts:
(i)Location Within Setbacks.
a. Shared common lot line garages shall be permitted only on lots where an existing common lot line
garage exists,or on lots where substantial proof can be submitted indicating a shared common lot
line garage had previously existed.
b. No detached garage or accessory building is allowed in the front yard, or within the side yard
setback adjacent to public right-of-way in the case of corner lots.
(ii)Height.
a. A detached garage or accessory building on the same lot with a one story principal building shall
not exceed the height of that principal building.
b. Detached garage or accessory buildings on the same lot with a principal building that is taller than
one story shall not exceed 80% of the height of the principal building or 20 feet,whichever is
lower.
(iii) Size.
a. Detached garages and accessory buildings in the rear yard shall not occupy more than 25%of the
combined rear yard of the two subject lots.
b. The structure should not exceed a maximum of 1,200 square feet shared between the two
properties.
c. In any Agricultural or Residential district the cumulative garage door width shall not exceed
eighteen (18) feet per lot. Doors less than eight feet in width, such as for lawn and garden
equipment, are exempted from this requirement.
(iv)General Requirements.
a. Driveways to streets.The driveway leading from a street to the entrance of a detached or attached
garage shall be at least 20 feet long measured from the property line.
b. Driveways to alleys.The driveway leading from an alley to the entrance of a detached or attached
garage shall be at least 8 feet long.
c. No detached garage or accessory building shall contain habitable space and/or a bathroom, except
for recreational uses requiring plumbing such as a pool house.
d. The construction of a detached garage or accessory building shall not precede the construction
of the principal building on the same lot.
(v) Special Setbacks.
a. In cases in which the rear yard of a lot abuts the front yard of an adjoining lot,a detached garage
or accessory building in the rear yard shall be not less than 6 feet from the adjoining property line
for the distance of the required front yard setback on the adjoining lot.
b. In no case shall a detached garage or an accessory building in the rear yard be placed closer than
15 feet to any lot line that abuts a street.
(vi)Agreement. All shared driveways and shared common lot line garages shall be acknowledged as such and
the respective owners of the affected lots shall have the right to use such driveways and shared common
lot line garages jointly. Cross easements shall be granted over, across and under that portion of each
owner's lot where such shared driveway is located. In addition, the rights and responsibilities for the
construction, maintenance, repair and rebuilding of such driveway and shared lot line garage shall be
addressed in the cross easement documents and submitted to staff.
Section Two. Violation of the provisions of this ordinance shall constitute a municipal infraction punishable
as set out by law.
Section Three. All ordinances,or parts of ordinances,in conflict herewith are hereby repealed to the extent of
such conflict,if any.
Section Four. This ordinance shall be in full force and effect from and after its passage and publication as
required by law.
ADOPTED this 9"day of July,2013.
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Diane R. Voss, City Clerk Ann H. Campbell,Mayor