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City of San Mateo Municipal Code.

27.21.050 Lands Not Subject to the Two-Unit Development Residential Overlay District

The following lands classified as R1-A, R1-B, and R-C are not subject to the Two-Unit Development Overlay District:

(a) Any parcel that would require the demolition or alteration of any of the following housing types:

(1) Housing that is subject to a recorded covenant, ordinance, or law that restricts rents to levels affordable to persons and families of moderate, low, or very low incomes; or,

(2) Housing that is subject to any form of rent or price control through a public entity's valid exercise of its police power; or,

(3) Housing that has been occupied by a tenant within the last three years; or,

(4) A parcel(s) on which an owner of residential real property has exercised the owner's rights under Government Code Chapter> 12.75 (commencing with Section 7060) of Division 7 of Title 1 (Ellis Act) to withdraw accommodations from rent or lease within 15 years prior to an SB 9 application submittal.

(b) On any parcel designated an historic district or property, or located in a resource or hazard area such as high fire areas, wetlands, fault zones, hazardous waste sites or lands under conservation easements per Government Code Sections 65913.4(a)(6)(B-K), as amended.