Sec. 59-B-5.3. One-family dwelling on a single lot.

Any one-family dwelling in a residential zone or agricultural zone that was built on a lot legally recorded by deed or subdivision plat before June 1, 1958 is not a nonconforming building. The dwelling may be altered, renovated, enlarged, or replaced by a new dwelling on the single lot, under the zoning development standards in effect when the lot was recorded, except that:

   (a)   a one-family dwelling on a lot recorded before March 16, 1928 in the original Maryland- Washington Metropolitan District must meet the front, side, and rear yard provisions of the 1928 Zoning Ordinance;*

      *Editor’s note—The 1928 Zoning Ordinance follows Article 59-B.

   (b)   one-family dwellings and accessory structures on a lot legally recorded by deed or subdivision plat before June 1, 1958, in the Upper Montgomery County Planning District must comply with the setback, yard, and area coverage standards applicable to the lot in the 1956 Zoning Ordinances for the Upper Montgomery Planning District;

   (c)   the maximum building height and maximum building coverage in effect when the building is altered, renovated, enlarged, or replaced by a new dwelling applies to the building; and

   (d)   an established building line setback must conform to the standards for determining the established building line in effect for the lot when any alteration, renovation, enlargement, or replacement by a new dwelling occurs.  Any building permit issued before November 23, 1997 must conform to the development standards in effect when the lot was recorded.

(Legislative History: Ord. No. 11-79, § 2; Ord. No. 13-69, § 2; Ord. No. 13-98, § 4; Ord. No. 16-04, § 1; Ord. No. 17-33, § 1.)