Find 10 two-bedroom apartments for rent in Boulder, CO. A two-bedroom apartment has two distinct bedrooms that share a common living space and kitchen. Depending on the floor plan, each room may share or have its own bathroom. Renters can benefit from a two-bedroom apartment by converting the second bedroom into a home gym, setting up an office, or hosting overnight guests. Financially conscious renters can split rent with a roommate to enjoy the extra storage space and square footage without paying full price. Finding cost-effective living options in Boulder, CO is made easier with 10 apartments for rent under $900. These budget-friendly rental options offer a variety of floor plans and amenities while adhering to your financial preferences. Opting for an apartment under $900 in Boulder means enjoying a balanced lifestyle where price does not compromise the quality of living.