I would suggest getting a

[XBoxBoy]

I would suggest getting a assesor’s parcel map which is available from the county recorder’s website for $2.

http://arcc.co.san-diego.ca.us/services/parcelmap/search.aspx

The plot map should have dimensions on it. Using the dimensions, you should be able to calculate the lot sq footage for yourself. (Hopefully it won’t be too irregular of a shape.)

XBoxBoy