Polk County Public Works
5885 NE 14
th
Street
Des Moines, IA 50313
publicworks@polkcountyiowa.gov
515-286-3705
Detached Garage Building Permit Application and Checklist
JOB SITE ADDRESS: _______________________________________________________ GEO PARCEL#: ______________________________
OWNER: ________________________________________________________________ PHONE: __________________________________
ADDRESS: ________________________________________ CITY: _________________________ STATE: ______ ZIP: __________________
EMAIL: ______________ ___________________________________ ______________________________________
CONTRACT
OR: ___________________________________________
________________ PHONE: __________________________________
COMPANY
: _______________________________________
_____
__
ADDRE
SS: ________________________________________ CITY: ________________________ STATE: ______ ZIP:
__________________
EMAIL: _______________________________________________________________________________________
Size of proposed building (dimensions) ____________X_____________ Total square feet______________________
Height of proposed building to peak ________ *Height can be no greater than 24’ or height of principal structure, whichever is greater
Closest distance to the house _________ *Must be a minimum of 10’
Description of proposed building and use: _______________________________________________________________________________
_________________________________________________________________________________________________________________.
Is any portion of the proposed building to be used for commercial or other business activities? YES/NO
*Must apply for home occupation permit if yes
Is the building going to be connected to water? YES/NO - If yes, for what purpose (toilet, sink, outside spigot, etc.)?____________________
- If adding a restroom - is the property on septic or sewer? ____________________________
Checklist of items to be filled out or completed prior to submitting application packet:
Detached Garage Building Permit Application and checklist
Building Spec Sheet
Engineered Truss Specifications
Detailed Construction Plans- 2 Copies: PDF & hard copy
Detailed Site Plan Drawing
Proposed building staked
-No
construction shall start until the permit is issued.
-All work must be permitted prior to inspections.
-Unresolved Zoning, Subdivision, Floodplain, Health items may delay the issuance of any permit. No structure should be used or
occupied until the certificate of occupancy is issued.
-If an electrical, mechanical, or plumbing permit is needed, they must be applied for separately by a state licensed contractor.
Contractor/Owner/Applicant Statement:
Work must commence within 180 days from permit issuance date, and be completed and inspected within one year from the permit
issuance date, or the building permit will be nu
ll and void. I understand all work must be inspected and approved by Polk County prior to
concealing any installation and that I must call for a final inspection. I further un
d
erstand that a Certificate of Compliance or Certificate of
Occupancy/Use is required in accordance with applicable codes and ordinances.
I have included all of the above checked items and I understand that all the items listed above must be reviewed and fees paid before a
permit will be issued. I further understand that construction work cannot begin
until the building permit has been issued. All information
supplied by me is true and correct, and to the best of my knowledge and belief.
*Please allow 5-7 business days for permit review and approval
____________________________________________ __________________________________________ _____________________
Print Name Signature Date
Permit #______________________
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signature
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DETACHED GARAGE BUILDING SPEC SHEET
Job Address:
Type of Use (Including size):
1. Footings: (42” minimum frost depth) (if over 1008 sq. ft.)
Depth below grade:
Size of footing or trench:
Size and type of reinforcement:
2. Foundation wall:
Thickness and type:
Type of waterproofing:
Spacing of anchor bolts: (1/2” dia. Min.)
3. Slab system:
Thickness of slab:
Type of reinforcement:
Spacing of anchor bolts: (1/2” dia. min.)
4. Wall framing: (list size and grade of lumber)
Size and spacing of wall studs:
Type of wind bracing:
Thickness and type of insulation:
Type of siding:
Type of interior wall covering:
5. Roof and ceiling: (List size and grade of lumber)
Size, span and spacing of ceiling joists:
Size, span and spacing of roof rafters:
Truss rafters: Must provide design data from manufacturer
Thickness and type of insulation:
Type of ceiling covering:
Type of attic ventilation:
Comments/ Additional Information
Questions or to schedule inspections after the permit is issued 286-3352
Polk County Public Works Detailed Site Plan Drawing
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signature
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Narrow Wall Bracing Requirements for Detached Garages
4 feet or greater in width on either side of the garage door(s) does not require continuous
header
For application less than 4 feet in width on either side of the garage door(s) are required to
follow the diagram below
FIGURE R602.10.3.4 METHOD PFG PORTAL FRAME AT GARAGE DOOR OPENINGS IN
SEISMIC DESIGN CATEGORIES A, BAND C