Just give one of the city clerk the "address" of the subject property than they will provide you ALL the permits available for the subject property. Good luck...
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I would advise you to go to city hall and the building and planning department. There they should be able to help you to find out what is or is not permitted.
Joan Patterson, B.A., G.R.I., A.S.P., Realtor, License #01431647
Keller Williams Realty