The locality shall not prohibit extension of water or sewer from an adjacent property to a cluster development provided the cluster development is located within an area designated for water and sewer service by a county, city, or town or public service authority.
For any "open space" or "conservation areas" established in a cluster development, the locality shall not (i) require in such areas identification of slopes, species of woodlands or vegetation and whether any of such species are diseased, the locations of species listed as endangered, threatened, or of special concern, or riparian zones or require the applicant to provide a property resource map showing such matters in any conservation areas, other than that which may be required to comply with an ordinance adopted pursuant to § 15.2-961 or 15.2-961.1 or applicable state law; (ii) require such areas be excluded from the calculation of density in a cluster development or exclude land in such areas because of prior land-disturbing activities; (iii) prohibit roads from being located in such areas for purposes of access to the cluster development, but the locality may require such roads be designed to mitigate the impact on such areas; (iv) prohibit stormwater management areas from being located in such areas; or (v) require that lots in the cluster development directly abut such areas or a developed pathway providing direct access to such areas.
For purposes of this section, "open space" or "conservation areas" shall mean the same as "open-space land" in § 10.1-1700.
The density calculation of the cluster development shall be based upon the same criteria for the property as would otherwise be permitted by applicable land use ordinances. As a locality provides for the clustering of single-family dwellings and the preservation of open space developments, it may vary provisions for such developments for each different residential zoning classification within the locality. For purposes of this section, "unimproved land" shall not include land owned or controlled by the locality, the Commonwealth or the federal government, or any instrumentality thereof or land subject to a conservation easement.
If proposals for the clustering of single-family dwellings and the preservation of open space developments comply with the locality's adopted standards, conditions, and criteria, the development and open space preservation shall be permitted by right under the local subdivision ordinance. The implementation and approval of the cluster development and open space preservation shall be done administratively by the locality's staff and without a public hearing. No local ordinance shall require that a special exception, special use, or conditional use permit be obtained for such developments. However, any such ordinance may exempt (a) developments of two acres or less and (b) property located in an Air Installation Compatible Use Zone from the provisions of this subdivision.
Va. Code § 15.2-2286.1