Happy Valley
- In 1998 the City adopted the 860-acre Specific Plan for Happy Valley.
- Area consists of both incorporated and unincorporated land.
- Includes a municipal golf course, open space and agricultural lands, as well as land for development of low, medium and semi-rural-density homes.
- The Callippe Preserve Golf Course opened in 2005 and several golf-course custom homes have been developed.