131 Marathon Rd is a 1,490 square foot house on a 6,311 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on June 27, 1997 for $167,000. Based on Redfin's Altadena data, we estimate the home's value is $991,664.
Single-familyProperty Type
1947Year Built
6,311 sq ftLot Size
$666Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$991,664
$825K since sold in June 1997$49K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 65.1% higher than the average sale price ($600K) 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
Nov 17, 2026 • Active
Electrical permit (simple) - county
Perform electrical work for a new one-story accessory dwelling unit. The project includes wiring for two bedrooms and two bathrooms.
ADU
Electrical
Nov 17, 2026 • Active
Sewer permit (simple) - county
Install a new sewer line for a single-story accessory dwelling unit. The project is part of a fire rebuild.
ADU
Plumbing
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: 12607
Living Sq. Ft: 1,490
# of Units: 1
Legal Description: TRACT # 12607 LOT 33
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,311
Legal Lot Number: 33
Acres: 0.1449
Depth Footage: 115
Front Footage: 53
Zoning Code: LCR17500*
County Use Description: SINGLE FAMILY RESID
Location Information
Parcel Location Influence: Corner
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,490
Stories: —
Lot Size: 6,311 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1949
County: Los Angeles County
APN: 5833009019
Home facts updated by county records on Apr 23, 2026
Around this home
Schools
Altadena Elementary School
Public K-5 • Assigned • 1.1mi
5/10
Eliot Arts Magnet
Public 6-8 • Assigned • 1.3mi
2/10
John Muir High School
Public 9-12 • Assigned • 1.8mi
4/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
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