Elderly Housing Development & Operations Corporation (EHDOC) | 1,312 followers on LinkedIn. EHDOC develops and manages safe, secure, and affordable housing for senior citizens across the United States. | Elderly Housing Development & Operations Corporation (EHDOC) develops and manages safe, secure, and affordable housing for senior citizens across the United States. EHDOC advocates for the highest quality of life for the seniors of today and tomorrow. EHDOC currently sponsors and manages 56 affordable senior housing communities and has one project under development, comprising nearly 5000 apartments in 15 states as well as Washington DC and Puerto Rico.