Listed by Derek Vaughan of South Pasadena Homes (626-437-6800)

Listing Sold by Engel & Voelkers Pasadena
Incredible development potential seldom seen in South Pasadena! This RARE single family home and huge gently sloping lot is a blank canvas waiting for a visionary new owner. This is a fixer upper with boundless potential and immediate upside! Some demo has been done and the house needs to be rebuilt. Perfect developer opportunity. Surrounded by homes selling for $2,000,000 to $3,000,000! Enormous gently sloping 10,441 square foot lot spanning an entire city block from Diamond Avenue all the way to Meridian Avenue! There is room for anything from a huge pool to the maximum sized ADU plus plenty of room left over for impressive grounds and gardens! There is a truly huge separate garage structure at the rear with its own street entrance from Meridian Avenue. Check with the city on ADU conversion. The location is impeccable - literally just steps to South Pasadena High School. This may be the last large lot with boundless development opportunity on Diamond Avenue by South Pasadena High School. Don't miss out - because once it's gone there will never be another property of this scale at this price.

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Property Details of 1555 Diamond Avenue

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Based on information submitted to CRMLS as of June 14, 2026 5:19 AM UTC . All data is deemed reliable but is not guaranteed accurate by the MLS. All information should be independently reviewed and verified for accuracy. IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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