This rare vintage and vacant-at-close South-Central Berkeley Duplex is close to all renown Berkeley amenities and ready for reinvention by the next owners as a wonderful family compound, owner-occupied rental hybrid or investment property! 2123 Byron Street boasts a freestanding 1300 Sq Ft+ 2BD/1BA 1920's Craftsman home in the front, with a bonus unfinished basement ready for possible expansion, and a charming 700 Sq Ft+ 1BD/1BA freestanding home with bonus rooms down in the back. Both homes, which are nestled on a roomy 4,800 Sq Ft lot steps to University and San Pablo Avenue shopping and dining, include separate meters for all utilities including water, and feature lots of period charm and expansion possibilities for the next owners (Buyers to verify). Excellent location close to markets, restaurants, coffee, Downtown Berkeley, BART, Cal Berkeley campus, local schools, parks, and easy freeway commute access. Bring our tape measure and imagination and come see the opportunity on Byron! Broker's Note: Buyers to verify all square footage for themselves.
Multi-familyProperty Type
1929Year Built
4,800 sq ftLot Size
$661Est. Price/Sq.Ft.
2 spacesParking
Listed by Andrew de Vries•DRE #DRE #01368031• Berkshire Hathaway-Franciscan
•415-585-5200 (agent)
•andrew@probateagent.com (agent)
•415-664-9400 (broker)
Bought with Mahnaz Westerberg•DRE #DRE #01308200• Mahnaz Westerberg, Broker
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
3
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
4,800 Sq. Ft.
Year renovated
1929
Sq. Ft.
2,038
Year built
1929
Style
Single Family Residential
County
Alameda County
APN
056 198502600
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 16, 2026.
R-2
Restricted Two-Family Residential District
The purpose of the Restricted Two-Family Residential (R-2) district is to: Implement the General Plan by encouraging the development of low medium-density residential areas characterized by a reasonably open and spacious type of development with a pattern of housing types ranging from single-family to duplexes and small apartment structures; Make available housing for persons who desire a range of housing choice with a relatively large amount of open space; and Protect adjacent properties from unreasonable obstruction of light and air.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Other
Park & open space
Nov 19, 2024 • Active
Minor
Remove and replace a water heater with a similar unit in the garage.
Plumbing
Water heater
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Garage Information
Has Garage
Has Attached Garage
Has Carport
# of Carport Spaces: 1
Parking Information
Parking Features: Attached
# of Parking Total: 2
Interior
Virtual Tour Information
Bedrooms Information
# of Bedrooms: 3
Bathroom Information
Count of Bathrooms: 2
# of Full Bathrooms: 1
# of Partial Bathrooms: 1
Interior Features
Interior Features: Formal Entry
Flooring: Tile, Vinyl, Wood
Rooms Information
Basement: Full
Exterior
Building Information
Living Area: 2038
Living Area Units: Square Feet
Living Area Source: Assessor Auto-Fill
Building Area Total: 2038
Building Area Units: Square Feet
Building Area Source: Assessor Auto-Fill
# of Stories Total: 0
Construction Materials: Wood
Architectural Style: Craftsman
Year Built: 1929
Roof: Composition, Shingle
Foundation Details: Concrete Perimeter
Mobile Home Information
Mobile Dim Units: Feet
Property Type
Property Type: Residential Income
Property SubType: Duplex
Property Information
# of Buildings: 0
Lot Information
Lot Features: Garden
Lot Size Sq. Ft.: 4800.312
Lot Size Acres: 0.1102
Lot Size Area: 4800.312
Lot Size Units: SqFt
Lot Size Units: Square Feet
Elevation: 0
Elevation Units: Feet
Utilities
Utility Information
Gas: Separate Meter
Electric: Separate Meter
Sewer: Public Sewer
Water Source: Separate Meter, Public
Location
Multi-Family General Information
Units Furnished: None
# of Units Total: 2
# of Units Vacant: 2
# of Tandem Parking Spaces: 2
Studio Annual Occupancy: 0
1 Bedroom Annual Occupancy: 0
2 Bedroom Annual Occupancy: 0
3 Bedroom Annual Occupancy: 0
4 Bedroom Annual Occupancy: 0
Unit 1 Information
Unit 1 Description: 2123 Byron Street
Unit 2 Information
Unit 2 Description: 2123 1/2 Byron
HOA Information
Association Fee: 0
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,038
Stories: 1.0
Lot Size: 4,800 square feet
Style: Single Family Residential
Year Built: 1929
Year Renovated: 1929
County: Alameda County
APN: 056 198502600
Home facts updated by county records on Sep 16, 2026
Around this home
Schools
Oxford Elementary School
Public K-5 • Assigned • 0.1mi
9/10
Martin Luther King Middle School
Public 6-8 • Assigned • 1.2mi
9/10
Berkeley High School
Public 9-12 • Assigned • 1.0mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
3/10 Heat Factor
7 days above 82° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Berkeley, CA • 94702
Average low and high temperatures (°F)
62
46
63
48
68
50
65
51
68
53
68
55
69
57
71
58
72
60
72
56
63
50
60
47
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.28M – $1.55M
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