Local rules require you to be signed in to see more photos.

 or  for free with no obligation.

Off Market Oct 2025 for $686K
$585,133
Est. refi paymentEst. refi $4,415/mo
3
bd
1 ba
1,158
sq ft

55 Marathon Rd, Altadena, CA 91001

map-entry

About this home

Single-familyProperty Type
1947Year Built
6,560 sq ftLot Size
$505Est. Price/Sq.Ft.
Listed by Jeremy Hardy DRE #01369308 Craig Estates and Fine Properties
Bought with Daniel Beech DRE #01200466 Simple Property, Inc.
Source:CRMLS #P1-21059

Redfin Estimate

$585,133
$101K since sold in October 2025$25K since July

This home's estimate is 9.3% higher than the average sale price ($536K) of 6 comparable homes.

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell
$10,337
Est. take-home

List your home with Redfin and save $2,926

Refinance
$0
Est. cash available

Get cash now or lower your monthly rate

Rent
$3,651/mo
Redfin rental estimate

List your home for rent

Market trends in 91001, CA

Sale history for 55 Marathon Rd

Tax history for 55 Marathon Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Permits

Feb 11, 2027Active
Construction and demolition - deposit

Addition

ADU

Demolition

Jan 30, 2027Active
Construction and demolition - deposit

ADU

Demolition

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

Around this home

Altadena Elementary School

Public K-5 • Assigned • 1.1mi

5/10
Eliot Arts Magnet

Public 6-8 • Assigned • 1.4mi

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

Local insights from Redfin agents

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

8/10 Fire Factor

29% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 96° expected this year, 19 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)
68
49
70
52
73
54
71
52
75
56
81
59
83
59
90
63
86
63
81
58
71
51
69
50
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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
$556,000 – $673,000

Reach more buyers when you sell with Redfin. Save up to $5,851 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Download the Redfin App on the Apple App Store
Download the Redfin App from the Google Play Store
GreatSchools Ratings provided by GreatSchools.org.