99 Most Expensive Houses Sold in Alameda County

Feast your eyes on the 99 most expensive houses sold in Alameda County…from Piedmont to Pleasanton and beyond.

What do these fabulous homes have in common? They are all in highly-rated school districts.

Many of these multi-million mansions and estates are situated on very large or multiple acre lots. New California building laws give aspiring luxury homeowners more potential than ever to build additional dwellings such as ADUs as a family compound or as rental income. Or even as a horse property!

However, it is especially important before clicking “buy it now” to check the laws in the towns in which you find such wonderful estates. They often prefer to keep housing less dense.

Want to find the 100th home together? Or find a grand estate at a great price? Let’s get started.

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(all data current as of 6/2/2023)

Listing information deemed reliable but not guaranteed. Read full disclaimer.