The deadline to postmark an application to participate in the town’s lottery for eight affordable-housing units at the Quail Ridge condominium complex is 5 p.m. Friday. All applications should be mailed to JWO Consultant Services, PO Box 323, Westwood, MA 02090. Quail Ridge is an age-restricted development of 153 town houses being constructed at 354B Great Road. The area has 88 acres of open space and a nine-hole golf course. All units will have 2 bedrooms and 2½ baths. For more information about income-eligibility requirements and the application process, visit the town’s website, www.acton-ma.gov, or www.quailridgelottery.com.