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Multifamily Property with Junior ADU

345 N 21st St, San Jose, CA 95112

For Sale
New
$1,249,000

Separate living areas, battery-backed solar, and dedicated workspace add flexibility to the residential layout.

Property Size1,719 SF
Price / SF$726.59
Days on Market5

Property Features for 345 N 21st St

General Information

Standard status Active
Size 1,719 SF
Property subtype Multi Family Home
Zoning R2

Site & Location

Neighborhood East Northside

Amenities

solar panels
Tesla Powerwall
Back Yard
Fenced
Sprinklers - Auto

Building Details

Building Size 1,719 SF
Year Built 1924
Buildings 1
Stories 1
Listing Agency: Joshua A. Michaelian, Broker
Listed By: Joshua A. Michaelian
Source: Hollisterrealty
Added: Nov 10 Changed: Nov 11 Last Checked: Nov 13 at 4:26PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Joshua A. Michaelian, Broker

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Investment Insights

Based on property information with market context.

This 1,719-square-foot property is configured as a 4-bedroom, 3-bathroom home, with potential to arrange a 2-bedroom, 1-bathroom main residence and a private 1-bedroom, 1-bathroom suite featuring its own kitchen and dining area. A separate junior ADU adds another 1-bedroom, 1-bathroom living space with a full kitchen, combined dining and living area, walk-in closet, and indoor laundry. The property also includes a detached finished garage and a separate office/workshop. Solar panels and a Tesla Powerwall provide on-site energy generation and battery backup. Extra parking is also noted. The property is in San Jose and is zoned R2.

Key Highlights

  • 1,719‑square‑foot property with a 4‑bedroom, 3‑bathroom home
  • Layout can accommodate a 2‑bedroom, 1‑bathroom main residence and a private 1‑bedroom, 1‑bathroom suite
  • Separate junior ADU has a full kitchen, combined dining and living area, walk‑in closet, and indoor laundry

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$35,755
Cap Rate
2.86%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$715,100 $715.1K
Cap Rate 7%
$510,786 $510.8K
Cap Rate 9%
$397,278 $397.3K
Market Conditions
NOI Build-Up for 1,719 SF
Gross rent
$68.1K $39.60/SF
− Vacancy
−$3.1K −$1.78/SF
EGI
$65.0K $37.82/SF
− OpEx
−$29.3K −$17.02/SF
NOI
$35.8K $20.80/SF
Area
San Jose, CA
Vacancy
4.50%
Lease Rate
$39.60 /SF/Yr
Expense Ratio
45.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$715,100
Cap Rate 7%
$510,786
Cap Rate 9%
$397,278

Alternative Uses

Best Use
Apartment 5plus
$510.8K
$446.9K – $595.9K (±1% cap)
NOI $35,755 @ 7.0% cap · market cap 2.86%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$1.04M
$908.4K – $1.21M (±1% cap)
NOI $72,671 @ 7.0% cap · market cap 5.82%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Location Intelligence

Trade Area within ½ mile

1,317
Businesses Nearby

Demographics for 95112, CA

60,754
Population
22,969
Households
2.6
Avg Household Size
33
Median Age
39%
College-Educated
82%
High-School Grad
7.3 sq mi
ZIP Area
8,322
Density / Sq Mi
$89,649
Median Household Income
$45,690
Median Earnings
$2,095
Median Rent
$956,300
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Average Price Trend$/SF for Multifamily properties in San Jose, CA

$557 Jul
$574 Aug
$600 Sep
$637 Oct

Properties on Market for Multifamily properties in San Jose

Jul
Aug
Sep
Oct

Vacancy Rate% for Multifamily in West region

7% 2022
7.8% 2023
8.6% 2024
8.6% 2025

Frequently Asked Questions

What type of property is this?
Multifamily property - Separate living areas, battery-backed solar, and dedicated workspace add flexibility to the residential layout.
Where is this multifamily property located?
The property is located at 345 N 21st St San Jose, CA.
What is the asking price?
The asking price for this property is $1,249,000.
What are key features of this property?
This property features: 1,719‑square‑foot property with a 4‑bedroom, 3‑bathroom home; Layout can accommodate a 2‑bedroom, 1‑bathroom main residence and a private 1‑bedroom, 1‑bathroom suite; Separate junior ADU has a full kitchen, combined dining and living area, walk‑in closet, and indoor laundry
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