523 Baden Avenue, South San Francisco, California 94080, South San Francisco, 94080 - 3 bed, 2 bath
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523 Baden Avenue
South San Francisco, California 94080
ACTIVE
CONDITION: GOOD
3Beds
2Baths
970Sq Ft
3,500Lot Size
Property Price
LIST PRICE$975,000
EST. MARKET VALUE
$957,552
SUMMARY
This Single Family Residence is a Strong Value Opportunity, listed at $1,050,000—positioned well below the $1,065,836 Fair Market Value by 1%. This valuation gap offers $15,836 in Instant Equity. Featuring a Condition Rating of 3, the home offers modern interior updates alongside a versatile basement for expansion. Located in the South San Francisco Unified district, it provides a strategic commuter location for Buy-and-Hold Investors or first-time buyers seeking a move-in ready home with long-term growth potential.
Estimated Market Value
$957,552
Based on Realkey algorithm analyzing recent comparable sales in South San Francisco.
Comparable Sales Map
Comparables within 1 miles sold in recently
Map unavailable.
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 523 Baden Avenue Subject | $975,000* List Price | 3 | 2 | 970 | $987 | - |
A 134 Claremont Avenue Sold | $1,038,000 | 2 | 1 | 900 | $1,153 | 0.9 mi |
B 107 Mulberry Avenue Active | $1,200,000 List Price | 3 | 1 | 980 | $1,224 | 0.5 mi |
* Subject property listed price vs sold prices of comps.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Good
TeardownExcellent
Property is move-in ready.
While originally built in 1910, the home has undergone significant interior updates including a fully renovated modern bathroom with contemporary tile and fixtures, fresh paint, and new carpeting. The property is well-maintained and move-in ready, though the presence of older windows and an unfinished utility basement with mixed-age systems keeps it from an excellent rating.
PROSSTRENGTHS & OPPORTUNITIES
- Versatile Bonus Space
The spacious basement provides significant potential for a workshop, home gym, or media room, offering valuable flexible space that complements the main living area.
- Strategic Commuter Location
Ideally situated in South San Francisco near major transit routes, shopping, and dining, this property offers excellent accessibility for Bay Area professionals.
- High-Utility Layout
The home features a functional 3-bedroom, 2-bathroom configuration that maximizes its footprint, making it an efficient choice for families or as a rental investment.
CONSRISKS & DEFICIENCIES
- Compact Interior Square Footage
With only 970 square feet of living space for a three-bedroom home, the individual room sizes may feel constrained compared to modern residential standards.
- Vintage Infrastructure
Built in 1910, the property's age may require additional scrutiny regarding seismic retrofitting and updates to century-old electrical or plumbing systems.
About 523 Baden Avenue
Just reduced $50,000. This charming 3-bedroom, 2-bathroom home in South San Francisco offers a bright, easy layout ideal for everyday living. Downstairs, a spacious basement invites endless possibility a workshop, gym, media room, or extra storage, whatever suits your vision. Tucked in a convenient location near shops, dining, and commuter routes, this is a home ready to welcome its next chapter.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1910
- Lot Size
- 3,500 Sq. Ft.
Interior
- Total Bedrooms
- 3
- Total Bathrooms
- 2 (2 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
South San Francisco Unified Schools
Spruce Elementary School
Grades K-5 • 0.3 mi
5/10
Los Cerritos Elementary School
Grades K-5 • 0.6 mi
4/10
Martin Elementary School
Grades K-5 • 0.7 mi
5/10
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 3.0 | 3.0 |
| Baths | 2.0 | 1.2 |
| Square foot | 970 | 1,153 |
| Lot Size | 3,500 | 4,630.5 |
| Price | $975.0K | $1.33M |
| Price per sq ft | $1.0K | $952 |
| Built year | 1910 | 1952 |
| HOA | $0 | $235 |
| Days on market | 42 | 35 |
Pricing History
Listed for Sale
Aug 21, 2026
$975,000
$1,025,000
-5% Price Drop
Initial Listing
Price Change
Aug 11, 2026
$1,025,000
$1,050,000
-2% Price Drop
Initial Listing
Price Change
Jul 29, 2026
$1,050,000
Initial Listing