2139 Summit Ave is a 630 square foot multi-family home on a 8,903 square foot lot with 1 bedroom and 1 bathroom. - it last sold on March 22, 2004 for $385,000. Based on Redfin's Altadena data, we estimate the home's value is $888,938.
Multi-familyProperty Type
1949Year Built
8,903 sq ftLot Size
$1,411Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$888,938
$504K since sold in March 2004$35K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.5% lower than the average sale price ($903K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-2
Two-Family Residence Zone
Residential Zones preserve, protect, and enhance areas for residential land uses in a range of densities; provide for orderly, well-planned, and balanced growth of residential neighborhoods; and ensure adequate light, air, privacy, and open space for each dwelling. These zones also provide for the appropriate location of public and semi-public uses such as schools, parks, and religious facilities that can serve and complement residential uses.
Permitted uses
Include but are not limited to:
Agriculture-Other
Housing-Other
Infrastructure-Other
Aug 13, 2022 • Final
Express utility
Electrical
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
Exterior
Property Information
Subdivision Name: LARRABEE TR
Living Sq. Ft: 630
# of Units: 2
Legal Description: LARRABEE TRACT LOT 44
Lot Information
# of Buildings: 2
Land Sq. Ft: 8,903
Legal Lot Number: 44
Acres: 0.2044
Zoning Code: LCR2*
County Use Description: DUPLEX
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 630
Stories: —
Lot Size: 8,903 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 1949
Year Renovated: —
County: Los Angeles County
APN: 5837001005
Home facts updated by county records on Aug 28, 2026
Around this home
Schools
Altadena Elementary School
Public K-5 • Assigned • 0.8mi
5/10
Eliot Arts Magnet
Public 6-8 • Assigned • 1.0mi
2/10
John Muir High School
Public 9-12 • Assigned • 0.8mi
4/10
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
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
6/10 Heat Factor
7 days above 97° expected this year, 20 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
21 unhealthy days expected this year, 24 days in 30 years
Provided by First Street
Historical weather
Altadena, CA • 91001
Average low and high temperatures (°F)
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90
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86
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81
58
71
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69
50
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Sun exposure
In this area, properties receive around 10.2 hours in
June and 6.5 hours in December, placing it above the
U.S. average for solar exposure.
10.2 hrs
6.5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$845,000 – $1.02M
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