Technical
Financial
Distress signals
Property profile

20353 Park Way Castro Valley, CA 94546

OFF-MARKET
Apartment buildings
Property ID
US09-8503344
45,476 SF 1.88 ac lot Built 1964
Individually Owned ~ Est. High Equity
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Property summary

AI-generated overview

This exceptional 52-unit apartment building presents a compelling value-add investment opportunity in Castro Valley, CA. Boasting a 6.15% cap rate and a pro-forma cap rate of 6.85%, this property offers significant upside potential. The 45,476 square foot building, constructed in 1964, sits on a 1.88-acre lot and features 81 parking spaces. The property comprises a mix of apartment and townhome-style units, with over half featuring 2-bedroom/1.5-bathroom or 3-bedroom/2.5-bathroom layouts. Units average approximately 1808 square feet. Currently, 89% of the units have been renovated, with an average in-place rent of $2,371 per unit. Six units remain to be renovated, presenting a clear path to increase NOI. The property benefits from its location adjacent to Sutter Health Eden Medical Center, a major local employer, and the absence of local rent control, subject only to AB 1482 restrictions. The current NOI is $1,014,516, with a pro-forma NOI of $1,130,742. The asking price is $16,500,000, translating to a price per unit of $317,307.69 and a price per square foot of $362.83. The property also offers potential for additional unit creation through ADU conversions. Castro Valley's strong rental market, with average rent growth of 80% over the last 10 years and an average occupancy rate of 96%, further enhances the investment appeal. This property represents a rare opportunity to acquire a substantial multifamily asset in a desirable location with considerable growth potential. The property's APN is 084A-0181-042.

Property profile

Verified
Property type Apartment buildings
Use group APARTMENT HOUSE (5+ UNITS)
Year built 1964
Construction WOOD
Total area 45,476 SF
Lot 1.88 ac (81,700 SF)
APN 84A-181-42
UPID US09-8503344

Cap rate & NOI

Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors

Location

20353 Park Way Castro Valley, CA 94546-5330
Castro Valley metro Census 430900 SAN FRANCISCO-OAKLAND-FREMONT, CA METROPOLITAN STATISTICAL AREA
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Value estimations

Realmo proprietary · 4 methods
AI Approach AI
by Request
CAP Approach CAP
$10.14M
Comparable Approach Comparable
$16.84M
Blend (final) Blend
$15.00M

Owner & transaction history

since 2025
Last sale
$16.5M
7 recorded transactions
2025
$492,500
2025
$16.5M
2021
Price N/A
2015
$11.9M
2014
Price N/A
2011
Price N/A
1969
Price N/A

Zoning & alternative use

Top alternative use upside
Restaurant $22.9M +85.4%
Neighborhood: shopping center $19.3M +56.5%
Medical building $18.0M +45.6%

Comparables

6 recent transactions · within 1.5 mi
Comparable in this city
6 recent transactions
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
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