515 S Fremont Street, San Mateo, California 94402, San Mateo, 94402 - 0 bed, 0 bath
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San Mateo, California 94402
This versatile duplex represents a High-Potential Investment Opportunity, listed at $1,799,000—positioned well below the $1,438,299 Fair Market Value by -25%. While the property requires modernization, its Fair Condition Rating and dual-unit layout offer significant value-add potential. The 2-bedroom, 2-bath front unit and 2-bedroom, 1-bath rear unit provide excellent rental income or multi-generational living options in the desirable Sunnybrae neighborhood. With its classic 1920s character and prime location near top-rated schools, this asset is ideal for Buy-and-Hold Investors or Owner-Occupants seeking to build long-term equity.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 515 S Fremont Street Subject | $1,799,000* List Price | 0 | 0 | 2,220 | $648 | - |
A 1017 10th Avenue Sold | $1,700,000 | 0 | 0 | 2,799 | $607 | 0.3 mi |
* Subject property listed price vs sold prices of comps.
Property is moderate renovation needed.
Built in 1920, this duplex is well-maintained but dated. While it features a new roof on the rear unit and fresh exterior paint, the interior kitchen and laundry areas show significant age with older cabinetry and appliances. The property requires cosmetic updates and modernization of systems to move beyond its current 20+ year renovation state.
This versatile duplex features two distinct 2-bedroom units, offering a rare opportunity for rental income or multi-generational living in a high-demand Peninsula market.
Situated in the desirable Sunnybrae neighborhood on a tree-lined street, the property boasts excellent proximity to downtown San Mateo, major transportation hubs, and top-rated schools.
The home maintains its 1920s charm with original oak hardwood floors and fireplaces, complemented by essential updates including a repainted exterior and a new roof on the rear unit.
Originally built in 1920, the property may require ongoing maintenance or modernization of older infrastructure systems typical of century-old homes.
With 49 days on the market and a recent $100,000 price reduction, the listing has faced some initial resistance, suggesting a need for competitive positioning in the current market.
Great location close to everything! You will love this charming duplex located on a wide, tree-lined street in the highly desirable Sunnybrae neighborhood of San Mateo. Exterior repainted. New roof on the rear unit. The front residence features 2 bedrooms and 2 bathrooms, two cozy fireplaces, original oak hardwood floors, and a large welcoming entryway, all thoughtfully updated while maintaining classic character. The separate dining room flows into a spacious kitchen with pantry space and an in-unit washer and dryer, creating a functional layout ideal for everyday living and entertaining. A detached 2-car garage and additional parking at the end of the driveway provide excellent convenience. Sunnybrae is known for its unique, solidly built homes and excellent access to transportation, shopping, and diningall within minutes. The property is also located in a strong local school district, adding to its long-term appeal. The rear unit offers a private 2-bedroom, 1-bath layout with its own kitchen and laundry room, making it perfect for extended family, guests, or rental income potential. This versatile duplex presents a rare opportunity for both owner-occupants and investors in one of the Peninsulas most sought-after neighborhoods.
No exterior & parking available.
No sensitive facilities data found.
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 0.0 | 0.0 |
| Baths | 0.0 | 0.0 |
| Square foot | 2,220 | 2,799 |
| Lot Size | 6,023 | 4,800 |
| Price | $1.80M | $1.61M |
| Price per sq ft | $810 | $172.8K |
| Built year | 1920 | 1939 |
| HOA | $0 | $0 |
| Days on market | 55 | 79 |
Jun 20, 2026
$1,799,000
$1,899,000
-5% Price Drop
Initial Listing
May 28, 2026
$1,899,000
Initial Listing