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square feet, whichever is smaller; and (iii) is subject to such additional restrictions as may be <br />imposed by the Town, under the provisions of § 174-45.4." <br />In §174-25 Table of Use Regulations, replace A.(8) "Accessory apartment, subject to the <br />provisions of § 174-45.4." with "Accessory dwelling unit, subj ect to the provisions of § 174-45.4." <br />Adjust §174-45.4 Accessory Dwelling Unit to read as follows: <br />§174-45.4 Accessory Dwelling Unit <br />A Building Permit authorizing one (1) accessory dwelling unit per lot shall be granted <br />provided that the following criteria have been satisfied: <br />History: Added 10-20-2003 ATM, Article 16, approved by Attorney General 11-14- <br />2003 <br />There shall be no more than one (1) accessory dwelling unit on a single lot. <br />A. The principal dwelling unit and accessory dwelling unit shall meet all wastewater <br />treatment requirements for the combined number of bedrooms. The principal dwelling <br />unit and accessory dwelling unit shall meet all Conservation Commission and historic <br />requirements if applicable. <br />History: Amended 10-21-2019 ATM, Article 26, approved by Attorney General <br />2-11-2020 <br />B. Unit Size. The design, installation and use of an accessory dwelling unit shall be <br />secondary and incidental to the principal use of the structure as a single family home. <br />An accessory dwelling unit may be located within the same structure as said home or <br />constructed within a new or pre-existing detached structure. The gross floor area of <br />the accessory dwelling unit shall be not less than four hundred (400') square feet unless <br />the gross floor area of said structure is less than eight hundred (800') square feet. The <br />gross floor area of the accessory dwelling unit shall not be more than fifty percent <br />(50%) of the gross floor area of said structure or nine hundred (900') square feet, <br />whichever is smaller, on the date the Building Permit application is filed. <br />Gross Floor Area shall be the sum of the areas of all floors of the building, including <br />basements, cellars, mezzanine and intermediate floored tiers and penthouses of <br />headroom height, measured from the exterior faces of exterior walls or from the <br />centerline of walls separating buildings, but excluding: (i) covered walkways, open <br />roofed -over areas, porches and similar spaces; and (ii) pipe trenches, exterior terraces <br />or steps, chimneys, roof overhands and similar features. <br />History: Amended 10-17-2005 ATM, Article 19, approved by Attorney General <br />3-7-2006 <br />History: Amended 10-21-2019 ATM, Article 26, approved by Attorney General <br />2-11-2020 <br />