Looking for specifics about Napa? Here are some useful links:
Local Services:
Where to find utilities, services, city and country offices
Market Trends
An Analysis of Recent Sales in Napa County
Napa Chamber of Commerce
Useful site with demographics, maps, etc.
Local Newspaper--Napa
Valley Register
Largest daily newspaper in Napa Valley
Local Title Company
First American Title offers escrow and title insurance products
California Association of Realtors