Dianne Feinstein minimum net worth $45.3 million,  The California senator's wealth remained stable in 2010, dipping by a nearly imperceptible 1.5%.

Feinstein's largest single asset remained her $5 million to $25 million investment in San Francisco's Carlton Hotel Properties, which she shares with her husband, Richard Blum. The couple reported no income from the property in 2010.

The couple also owns a Kauai, Hawaii, condominium valued at $1 million to $5 million, which generated $15,000 to $50,000 in rental income in 2010.

Much of Feinstein's reported wealth was generated by her spouse's numerous investment partnerships and limited liability corporations. Blum reported 19 accounts -- including partnerships, LLCs, brokerage accounts and a checking account -- valued at "over $1 million."