Allegan County Apartments For Rent . Use our detailed filters to find the perfect place, then get in touch with the property manager. Apartment is a 0 bed, 1.0 bath unit. 1026 15th St, Otsego, MI 3 Bed, 2 Bath SingleFamily Home 27 Photos from www.trulia.com How to find cheap apartments for rent in allegan county, mi? View photos, floor plans, amenities, and more. 1 to 2 bedroom $855 to $985.