345 N 21st Street, San Jose, California 95112, San Jose, 95112 - 0 bed, 0 bath
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345 N 21st Street
San Jose, California 95112
ACTIVE
CONDITION: GOOD
0Beds
0Baths
1,719Sq Ft
5,625Lot Size
Property Price
LIST PRICE$1,249,000
EST. MARKET VALUE
$1,215,226
SUMMARY
This Versatile Mixed-Use Property represents a High-Potential Investment Opportunity, listed at $1,329,999—positioned above the $1,271,926 Fair Market Value. While priced at a premium, the property offers exceptional utility through its flexible multi-unit configuration, including a main residence with a private suite and a separate Junior ADU. Featuring modern solar panels, a Tesla Powerwall, and a Condition Rating of 3, this asset is optimized for energy efficiency and rental income. It is an ideal acquisition for Buy-and-Hold Investors or Owner-Occupants seeking a house-hack strategy in the San Jose Unified district.
Estimated Market Value
$1,215,226
Based on Realkey algorithm analyzing recent comparable sales in San Jose.
Condition Analysis
See Full ReportOVERALL CONDITION SCORE
Good
TeardownExcellent
Property is move-in ready.
While originally built in 1924, the property has been significantly updated and is move-in ready. The bathrooms and ADU kitchen feature modern, high-end finishes consistent with a recent renovation (<10 years). The main kitchen is functional and well-maintained but features slightly dated oak cabinetry (approx. 10-15 years). Systems are a major highlight, featuring modern solar panels, a Tesla Powerwall, and mini-split HVAC units.
PROSSTRENGTHS & OPPORTUNITIES
- Income Potential & Versatility
The property features a highly flexible layout including a main residence that can be split into two units plus a separate Junior ADU, offering significant rental income potential or multi-generational living options.
- Sustainable Energy Upgrades
Equipped with solar panels and a Tesla Powerwall, the home provides renewable energy and battery backup, significantly reducing utility costs and increasing energy independence for the owner.
- Bonus Functional Spaces
A detached finished garage and a separate dedicated office/workshop provide valuable additional square footage for remote work, hobbies, or storage, catering perfectly to modern lifestyle needs.
CONSRISKS & DEFICIENCIES
- Century-Old Construction
Originally built in 1924, the property may require more frequent maintenance or updates to aging infrastructure typical of homes from this era, which could lead to higher long-term ownership costs.
- Limited Outdoor Space
With a lot size of 5,625 square feet and multiple structures including the main house, JADU, and detached office, the remaining private yard space is limited for buyers seeking significant green space.
About 345 N 21st Street
Exceptional Opportunity in Desirable Downtown Neighborhood! This versatile 4-bedroom, 3-bathroom home can be easily reconfigured to create a 2-bedroom, 1-bathroom main residence with a private 1-bedroom 1-bathroom suite that includes its own kitchen and dining area offering excellent potential for multi-generational living, guests, or rental income. For added living space or income, this property also features a separate 1-bedroom, 1-bathroom Junior ADU with full kitchen and combined dining area and living room with walk in closet and indoor laundry. Additional highlights include a detached finished garage and separate office/workshop for extra workspace or storage, solar panels and a Tesla Powerwall, providing renewable energy and battery backup. With multiple living configurations, extra parking, finished garage, and dedicated office, this property offers exceptional flexibility for both homeowners and investors.
Property Details
Public Facts
- Property Type
- Mixed Use
- Year Built
- 1924
- Lot Size
- 5,625 Sq. Ft.
Interior
- Total Bedrooms
- 0
- Total Bathrooms
- -
Exterior & Parking
No exterior & parking available.
Utilities & Misc
- HOA Fee
- $0 / Month
Neighborhood Insights
Sensitive Facilities
No sensitive facilities data found.
Neighborhood Comparison
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 0.0 | 0.0 |
| Baths | 0.0 | 0.0 |
| Square foot | 1,719 | 1,740 |
| Lot Size | 5,625 | 21,669 |
| Price | $1.25M | $1.52M |
| Price per sq ft | $727 | $876 |
| Built year | 1924 | 1915 |
| HOA | $0 | $0 |
| Days on market | 27 | 3 |
Pricing History
Listed for Sale
Oct 20, 2026
$1,249,000
$1,329,999
-6% Price Drop
Initial Listing
Price Change
Sep 27, 2026
$1,329,999
Initial Listing
Sold
Jan 8, 2019
$825,000
Public Record
Sold
Jul 23, 2012
$380,000
Public Record