Colonial Investment and Management Co., Inc.

Colonial Investment and Management Co., Inc. is a Property Manager in Dover, DE. The company oversees a portfolio of fourteen residential apartment properties and thirteen commercial office buildings, all situated within the city limits of Dover and the broader Delmarva Peninsula. Serving a limited group of investors, Colonial provides apartments, townhouses, and commercial spaces, emphasizing well‑managed, well‑maintained, clean and safe homes for its residents. With more than four decades of experience in the Dover market, the firm has earned a 3.50‑star rating from its clientele.

Operating from Treadway Towers at 9 E Loockerman Street since its incorporation in 1979, Colonial’s management office and in‑house maintenance team are centrally located, enabling rapid response to resident needs. The company offers a 24‑hour emergency maintenance line and a 24/7 phone service for non‑emergency requests, and it maintains a strong working relationship with the Dover Community Police to promote safety. Colonial also welcomes military personnel from Dover Air Force Base, reflecting its commitment to the local community.

The office sits on E Loockerman St, just a short walk from several downtown landmarks. It is about a tenth of a mile from the First State Heritage Park Welcome Center and Galleries, Mirror Lake, the Dover Post Office, the Saint Jones River Corridor nature preserve, Loockerman Plaza, and the Delaware State Capitol, placing it in the heart of the city’s civic and cultural hub.

Backed by more than forty years of service to Dover residents and investors, Colonial Investment and Management Co., Inc. combines long‑standing local expertise with a focused property‑management approach, making it a trusted steward of Dover’s residential and commercial real estate.