This excellent investor owner user opportunity located at 519 -521 San Mateo Ave in San Bruno is a 3 Unit mixed use Residential / Retail Property featuring an expansive 2nd floor residential flat and two ground floor retail spaces. The spacious (approx. 2000 SQ FT) renovated 3 bedroom 2 bath Residential Flat features its own private entrance, is recently renovated with a large eat-in Kitchen, spacious Living Room, Primary Bedroom and Bath, Large Foyer, double-pane windows, central heating and natural light. The ground floor has two retail spaces of approximately 850 SQ FT each. 519 San Mateo Ave is a quaint antique shop Fabulously Antiques and Wonderful Things, and 521 San Mateo Ave is a Salon Salon 11. The property has a Total Square footage of approximately 5708 SQ FT including a 1965 SQ FT Basement (see floor plan).

Based on information submitted to CRMLS as of May 20, 2026 10:51 PM EDT . 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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Property Details of 521 San Mateo Avenue

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Property Details of 521 San Mateo Avenue

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Luxury Malibu Property | Pinnacle Estate Properties Malibu