617 N Humphreys Street OFFICE FOR LEASE IN DOWNTOWN FLAGSTAFF. Premium Office Space for Lease. Great Street exposure on Humphreys St. Lower level office. Approximately 785ft. Two private offices, small kitchenette, bathroom, carpet, large windows, central air conditioning/heating, comes with two parking spaces. Best suited for any professional office use: tax accountants, real estate professionals, therapist, psychotherapists, medical professionals, attorneys, consultants, and insurance agents. Two year minimum lease, Tenant pays electricity, phone and internet. Landlord pays water, sewer and trash. Sorry no hair, nail or lash salons.