Westchester Homeseeker Affordable Housing - Resources – Select Category Go back to directory. Add to Address Book. Westchester Homeseeker Affordable Housing Westchester Homeseeker Affordable Housing Work 148 Martine Ave White Plains NY 10601 work Work Phone: (914) 995-2000work Website: Homeseeker Housing Description Westchester County Housing Programs are designed to support Westchester County’s commitment to promoting fair and equitable housing across its six cities, 19 towns and 20 villages.