417 Dianne Court, South San Francisco, California 94080, South San Francisco, 94080 - 4 bed, 3 bath
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417 Dianne Court
South San Francisco, California 94080
ACTIVE
CONDITION: GOOD
4Beds
3Baths
2,050Sq Ft
7,281Lot Size
Property Price
LIST PRICE$1,688,000
EST. MARKET VALUE
$1,718,842
SUMMARY
This Spacious Multi-Level Residence is a Strong Value Opportunity, listed at $1,688,000—positioned well below the $1,718,842 Fair Market Value by 1.8%. This valuation gap offers $30,842 in Instant Equity. Featuring a Condition Rating of 3, the home includes modern updates, a private deck, and a large 7,281 sqft lot with ADU potential. Its versatile layout is ideal for Buy-and-Hold Investors or Owner-Occupants seeking a commuter-friendly home near major transit hubs and the South San Francisco Unified district.
Estimated Market Value
$1,718,842
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 |
|---|---|---|---|---|---|---|
★ 417 Dianne Court Subject 4 bd · 3 ba · 2,050 sqft · $838 | $1,688,000* List Price | 4 | 3 | 2,050 | $838 | - |
A 2200 Delvin Way Sold 4 bd · 3 ba · 2,230 sqft · $807 · 0.6 mi | $1,800,000 | 4 | 3 | 2,230 | $807 | 0.6 mi |
B 34 Capay Circle Sold 5 bd · 2 ba · 1,960 sqft · $679 · 0.9 mi | $1,330,000 | 5 | 2 | 1,960 | $679 | 0.9 mi |
C 437 Almanor Avenue Sold 4 bd · 2 ba · 1,660 sqft · $1,018 · 0.4 mi | $1,690,000 | 4 | 2 | 1,660 | $1,018 | 0.4 mi |
D 439 Yellowstone Drive Sold 3 bd · 2 ba · 1,670 sqft · $979 · 0.5 mi | $1,635,000 | 3 | 2 | 1,670 | $979 | 0.5 mi |
E 404 Hazelwood Drive Sold 3 bd · 2 ba · 1,490 sqft · $916 · 0.1 mi | $1,365,000 | 3 | 2 | 1,490 | $916 | 0.1 mi |
F 47 Greenwood Drive Sold 3 bd · 2 ba · 1,505 sqft · $1,047 · 0.3 mi | $1,575,000 | 3 | 2 | 1,505 | $1,047 | 0.3 mi |
G 2231 Delvin Way Pending 5 bd · 3 ba · 2,000 sqft · $799 · 0.6 mi | $1,598,000 List Price | 5 | 3 | 2,000 | $799 | 0.6 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 built in 1967, the property has undergone significant interior updates including modern wide-plank flooring, fresh neutral paint, and renovated bathrooms with contemporary marble-patterned tile and updated fixtures. The home appears well-maintained, functional, and move-in ready, fitting the 5-15 year renovation profile.
PROSSTRENGTHS & OPPORTUNITIES
- Expansive Lot & ADU Potential
The property features a generous 7,281 sqft lot with nearly double the street frontage of neighboring homes, providing ample space for outdoor entertaining or the potential to build a detached ADU.
- Versatile Multi-Level Layout
The floor plan includes a lower level with a separate entrance, family room, and fourth bedroom, making it ideal for multi-generational living, guest quarters, or a dedicated home office.
- Prime Commuter Location
Situated in a quiet cul-de-sac within the desirable Avalon neighborhood, the home offers exceptional accessibility to Highways 101 and 280, BART, and Caltrain for easy Peninsula and Silicon Valley commutes.
CONSRISKS & DEFICIENCIES
- Dated Infrastructure
Built in 1967, the property may require significant capital investment for cosmetic modernizations and system upgrades to align with contemporary luxury standards.
- Moderate School Ratings
The assigned public schools currently hold mid-range ratings (5-6/10), which may be a drawback for families prioritizing top-tier academic performance scores in their home search.
About 417 Dianne Court
More spaces, more possibilities and a peaceful cul-de-sac setting in South San Francisco's desirable Avalon neighborhood, 417 Diane Ct offers an exceptional combination of spacious living, an expansive backyard and prime Peninsula convenience. What truly sets this property apart is its exceptionally generous lot, featuring nearly double the street frontage of many neighboring homes. The expansive outdoor space offers incredible possibilities for entertaining, gardening, recreation, or exploring the potential for a detached ADU, subject to city approval. Situated in one of the sunnier pockets, the home enjoys a quiet residential setting without sacrificing accessibility. Nearby parks, schools, shopping, and dining make everyday life convenient with easy access to Highways 101, 280, BART, and Caltrain provides connectivity to SF, the Peninsula, and Silicon Valley. Upstairs: 3 beds, 2 baths on one level, bright living room, kitchen & dining with private deck offers a peaceful retreat. Downstairs: family room, 4th bed, half bath, utility room & separate backyard entrance ideal for guests, extended living or office. For those seeking more space, a peaceful neighborhood, and exceptional value without compromising convenience, 417 Diane Ct presents a compelling opportunity.
Property Details
Public Facts
- Property Type
- Single Family Residence
- Year Built
- 1967
- Lot Size
- 7,281 Sq. Ft.
Interior
- Total Bedrooms
- 4
- Total Bathrooms
- 3 (3 Full, 0 Half)
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
South San Francisco Unified Schools
Ponderosa Elementary School
Grades K-5 • 0.6 mi
6/10
Hillside Elementary
Grades PK-5 • 2.2 mi
0/10
Alta Loma Middle School
Grades 6-8 • 1.7 mi
5/10
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 3.1 |
| Baths | 3.0 | 1.5 |
| Square foot | 2,050 | 1,294.231 |
| Lot Size | 7,281 | 4,869.692 |
| Price | $1.69M | $1.37M |
| Price per sq ft | $823 | $965 |
| Built year | 1967 | 1954 |
| HOA | $0 | $246 |
| Days on market | 2 | 34 |
Pricing History
Listed for Sale
Oct 22, 2026
$1,688,000
Initial Listing