Cecil County Maryland Apartments For Rent . Coldwell banker realty can help you find cecil county, md real estate, homes and apartments for rent. Find your next apartment in cecil county md on zillow. 644 Ragan Rd, Conowingo, MD 21918 Trulia from www.trulia.com This is a list of all of the rental listings in cecil county md. In addition to the rent cost, you need to also account for costs of basic utilities consisting of water, garbage, electric and natural gas. 117 apartments for rent in cecil county, md.