486 Concha St is a 1,749 square foot house on a 7,496 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on August 23, 1991 for $189,000. Based on Redfin's Altadena data, we estimate the home's value is $944,880.
Single-familyProperty Type
1949Year Built
7,496 sq ftLot Size
$540Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$944,880
$756K since sold in August 1991$62K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 60.6% higher than the average sale price ($588K) 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.
Permits
Mar 4, 2027 • Active
Electrical permit (simple) - county
Electrical
Mar 4, 2027 • Active
County disaster recovery permit – rebuild project
Addition
ADU
New construction
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
Interior
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: 6817
Living Sq. Ft: 1,749
# of Units: 1
Legal Description: TR=6817 LOT 18
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,496
Legal Lot Number: 18
Acres: 0.1721
County Use Description: SINGLE FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,749
Stories: —
Lot Size: 7,496 square feet
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1970
County: Los Angeles County
APN: 5841002035
Home facts updated by county records on Oct 8, 2026
Around this home
Schools
Altadena Elementary School
Public K-5 • Assigned • 1.0mi
5/10
Eliot Arts Magnet
Public 6-8 • Assigned • 1.2mi
2/10
John Muir High School
Public 9-12 • Assigned • 2.1mi
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
8/10 Fire Factor
31% chance of being in a wildfire in next 30 years
5/10 Heat Factor
4 days above 95° expected this year, 12 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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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
$898,000 – $1.09M
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