Two-Unit
New
For Sale
$799,000
3929 Ruby St, Oakland, CA 94609
Residential Income, Oakland, CA
Property Size1,548 SF
Lot Size0.05 Acres
Price / SF$516.15
Days on Market6
Property Features for 3929 Ruby St
General Information
Property type
Residential Multi Family
Property subtype
Duplex
Bedrooms
4
Rooms
Bedroom 3, Bedroom 2, Bedroom 4, Bedroom 1
Parking features
On Street
Security features
Security
Window features
Screens, Double Pane Windows
Interior features
Tub w/Shower Over
Exterior features
Back Yard, Garden/Play, Landscape Back, Low Maintenance, Yard Space
Fencing
Fenced
Appliances
Dryer, Washer, Gas Water Heater
Subdivision
MOSSWOOD
Lot features
Level, Back Yard, Garden, Landscaped, Security Gate
Standard status
Active
APN
1297271
Size
1,548 SF
Lot size
0.05 Acres
Utilities
Sewer type
Public Sewer
Heating system
Electric (Heating), Wall Furnace
Water source
Public
Amenities
backyard
Building Details
Year built
1923
Flooring type
Hardwood, Vinyl, Tile
Building materials
Wood Siding
Listing Agency:
KW Advisors East Bay · Keller Williams Realty
(510) 775-1079
Listed By:
Ann Podesta-Berkeley
(510) 414-0437
Added: Oct 23
Changed: Oct 25
Last Checked: Oct 28 at 6:06AM
MLS# 41152180
Copyright © 2026 bridgeMLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
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Investment Insights
Based on property information with market context.
This 1,548-square-foot Oakland duplex, built in 1923, contains two residences with two bedrooms and one bathroom apiece. The upper unit has a new kitchen and bathroom, refinished hardwood floors, and natural light. Hardwood, tile, and vinyl flooring are present in the property. Laundry appliances are included.
The 0.0522-acre parcel has a fenced backyard with garden and yard space. BART, restaurants, shopping, and daily conveniences are within walking distance. The property is served by public water and sewer.
The 0.0522-acre parcel has a fenced backyard with garden and yard space. BART, restaurants, shopping, and daily conveniences are within walking distance. The property is served by public water and sewer.
Key Highlights
- Two units, each with 2 bedrooms and 1 bathroom
- 1,548 square feet on a 0.0522‑acre parcel
- Upper unit updated with a new kitchen and bathroom
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$35,477
Cap Rate
4.44%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$709,540
$709.5K
Cap Rate 7%
$506,814
$506.8K
Cap Rate 9%
$394,189
$394.2K
Market Conditions
NOI Build-Up for 1,548 SF
Gross rent
$52.9K $34.20/SF
− Vacancy
−$2.3K −$1.46/SF
EGI
$50.7K $32.74/SF
− OpEx
−$15.2K −$9.82/SF
NOI
$35.5K $22.92/SF
Area
Oakland, CA
Vacancy
4.27%
Lease Rate
$34.20 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$709,540
Cap Rate 7%
$506,814
Cap Rate 9%
$394,189
Alternative Uses
Best Use
Multifamily LT 5
$506.8K
$443.5K – $591.3K
NOI $35,477 @ 7.0% cap · market cap 4.44%
Second Best
Apartment 5plus
$466.9K
$408.6K – $544.8K
NOI $32,686 @ 7.0% cap · market cap 4.09%
Theoretical Best
—
—
same as Best Use
Zoning and permitted uses should be independently verified with authorities.
How Realmo checks its estimates
Property Analytics
Who owns this building?
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Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
5,580
Businesses Nearby
Explore this area
Business Placement
Demographics for 94609, CA
23,578
Population
11,915
Households
2
Avg Household Size
36
Median Age
62%
College-Educated
95%
High-School Grad
1.7 sq mi
ZIP Area
13,869
Density / Sq Mi
$106,698
Median Household Income
$69,221
Median Earnings
$2,116
Median Rent
$1,147,900
Median Home Value
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Market
Vacancy Rate% for Multifamily in West region
Frequently Asked Questions
What type of property is this?
Duplex - Each residence has two bedrooms and one bathroom, and one unit has recently been updated.
Where is this duplex located?
The property is located at 3929 Ruby St Oakland, CA.
What is the asking price?
The asking price for this property is $799,000.
What are key features of this property?
This property features: Two units, each with 2 bedrooms and 1 bathroom; 1,548 square feet on a 0.0522‑acre parcel; Upper unit updated with a new kitchen and bathroom
