374 S 21st St, San Jose, CA, 95116
About This Home
Exceptional investment and development opportunity in the heart of San Jose! Potentially 4 rental units situated on an approximately 7,800 sq.ft. lot, currently this property has total 1,493 SqFt features a newly renovated 1B1B main residence (744 SqFt) that has been fully updated with modern finishes. Additionally tremendous value is a newly constructed, detached 2B2B ADU (749 SqFt), offering excellent potential for rental income, multigenerational living, or owner-occupancy flexibility. The opportunity extends even further with plans approved by the City for an additional development DUPLEX with 2 stories 2 units 6B6B 2,376 Sfqft total (Each unit has 3beds 3baths; Approximately 1,200 SqFt per unit). Permit review is currently in progress, buyers can move directly toward permitting and construction by saving months (often 6-12+) of design review and approval time. Whether you are an investor, developer, or owner-user seeking multiple income streams, this rare property combines existing cash flow, brand-new improvements, and future development upside on a generously sized lot in a desirable San Jose location with convenient access to major highways, Downtown, major tech companies, and commuter routes, shopping, and dining. Welcome to check this gem in San Jose!
Getting Around
Very Walkable
Good Transit
Very BikeableSchools
Construction
Condition
- Year built: 1930
Materials
- Foundation: Concrete Perimeter
- Roof: Composition
Type & Style
- Home type: SingleFamily
- Property subType: Single Family Residence,Residential
Interior
Appliances
- Appliances included: Dishwasher
- Laundry features: In Utility Room
Basement
- Has basement: Yes
- Basement: Unfinished
Bedrooms & Bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 3
Dining Room
- Features: DiningAreainLivingRoom, EatinKitchen
Family Room
- Features: NoFamilyRoom
Features
- Flooring: Hardwood,Laminate,Vinyl Linoleum
Heating & Cooling
- Heating features: Wall Furnace
- Cooling features: Wall/Window Unit(s)
Interior Area
- Total structure area: 744
- Total interior livable area: 744 sqft
Property
Details
- Parcel number: 46737030
- Zoning: R2
- Special condition: Standard
Features
- Stories: 1
Lot
- Lot size: 7,800 sqft
Parking
- Parking features: Carport
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Heat Wave
- Inland Flooding
How This Home’s Risks Compare
FEMA Declared Disasters in Santa Clara County and California
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $6,902 | $82,824 |
| Home Insurance * | $162 | $1,944 |
| Property Taxes | $1,631 | $19,572 |
| Electricity | $398 | $4,786 |
| Total | $9,093 | $109,116 |
Income You'd Need if You Spent...
California FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-06-30 | Price change | $1,365,000 |
| 2026-06-12 | Listed for sale | $1,425,000 |
| 2025-05-20 | Listing removed | $3,000 |
| 2025-04-25 | Listed for rent | $3,000 |
| 2025-04-09 | Sold | $1,050,000 |
| 2024-12-10 | Sold | $880,000 |
| 2024-10-03 | Pending sale | $899,950 |
| 2024-08-20 | Listed for sale | $899,950 |
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