Google street view image for 123 Marathon Rd, Altadena, CA 91001

Off market sep 1980 for $69K

$902,461

Est. refi paymentEst. refi $519/mo

•

2 ba

•

1,648

sq ft

123 Marathon Rd, Altadena, CA 91001

About this home

123 Marathon Rd is a 1,648 square foot house on a 6,043 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on September 24, 1980 for $69,500. Based on Redfin's Altadena data, we estimate the home's value is $902,461.

Single-familyProperty Type

1947Year Built

6,043 sq ftLot Size

$548Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$902,461

$833K since sold in September 1980$33K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 34.5% higher than the average sale price ($671K) of 6 comparable homes.

SOLD SEP 11, 2026
$600,000
A
Land— sq ft
102 W Poppyfields Dr, Altadena, CA 91001
Compass
SOLD APR 24, 2026
$550,000
B
Land— sq ft
105 W Mariposa, Altadena, CA 91001
SOLD SEP 30, 2026
$600,000
C
Land— sq ft
2713 Marengo Ave, Altadena, CA 91001
SOLD SEP 2, 2026
$550,000
D
Land— sq ft
3324 Raymond Ave, Altadena, CA 91001
SOLD JUL 14, 2026
$475,000
E
Land— sq ft
125 W Mariposa St, Altadena, CA 91001
Compass
SOLD FEB 25, 2026
$1,250,000
F
3 beds2 baths1,518 sq ft
178 Twilight Vista Dr, Altadena, CA 91001

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Earn from this home

Sell

$852,481

Est. take-home

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Refinance

Est. cash available

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Rent

$4,668/mo

Redfin rental estimate

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Market trends in 91001, CA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.5%

0.1% MoM

Median sale price

$1.6M

$31K MoM

Avg. days on market

45d

5 days MoM

Recently sold homes

0 MoM

New listings for sale

$1,689,999
3 beds2 baths2,041 sq ft
1890 Homewood, Altadena, CA 91001
OPEN SUN, 1PM TO 4PM
$2,350,000
3 beds3 baths2,419 sq ft
1211 E Palm St, Altadena, CA 91001
OPEN SAT, 2PM TO 4PM
$1,595,000
4 beds3 baths1,932 sq ft
4369 El Prieto Rd, Altadena, CA 91001
Compass
OPEN SAT, 1PM TO 4PM
$1,099,000
3 beds2 baths1,810 sq ft
93 Reever Way, Altadena, CA 91001
OPEN SAT, 12PM TO 3PM
$1,398,000
3 beds2 baths1,408 sq ft
1856 Harding Ave, Altadena, CA 91001
OPEN SAT, 1PM TO 3PM
$2,388,000
5 beds5.5 baths3,806 sq ft
2195 Mendocino Ln, Altadena, CA 91001
The Agency
OPEN SAT, 2PM TO 4PM
$2,295,000
3 beds2.5 baths2,474 sq ft
2062 New York Dr, Altadena, CA 91001
OPEN SAT, 2PM TO 4PM
$1,898,000
4 beds4 baths2,469 sq ft
2391 Catherine Rd, Altadena, CA 91001
$2,848,000
6 beds5 baths4,180 sq ft
2098 Roosevelt, Altadena, CA 91001
$1,089,000
3 beds1 bath1,264 sq ft
200 W Terrace St, Altadena, CA 91001
See all

Provided by Redfin

Sale history for 123 Marathon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,872 (−19.9%)

$575,854 + $292,256

$868,110

2024

$12,318 (+0.9%)

$564,563 + $286,526

$851,089

2023

$12,210 (+361.0%)

$691,866 + $374,544

$1,066,410

2022

$2,648 (+7.5%)

$678,300 + $367,200

$1,045,500

2021

$2,463 (+3.5%)

$73,424 + $113,100

$186,524

2020

$2,380

$71,985 + $110,883

$182,868

2019

$2,378 (+1.9%)

$71,247 + $109,747

$180,994

2018

$2,334 (+1.1%)

$69,850 + $107,596

$177,446

2017

$2,308 (+2.9%)

$67,139 + $103,419

$170,558

2016

$2,242 (+1.1%)

$67,139 + $103,419

$170,558

2015

$2,217 (+1.6%)

$65,823 + $101,392

$167,215

2014

$2,183 (+1.5%)

$63,565 + $97,913

$161,478

2012

$2,152 (+2.6%)

$63,278 + $97,471

$160,749

2011

$2,097 (+1.7%)

$62,038 + $95,560

$157,598

2010

$2,063 (−0.1%)

$60,822 + $93,687

$154,509

2009

$2,066 (+6.2%)

$60,368 + $92,987

$153,355

2008

$1,945

$60,512 + $93,208

$153,720

Tax history for 123 Marathon Rd

Year

Property tax

Land + Additions

Assessment*

2025

$9,872 (−19.9%)

$575,854 + $292,256

$868,110

2024

$12,318 (+0.9%)

$564,563 + $286,526

$851,089

2023

$12,210 (+361.0%)

$691,866 + $374,544

$1,066,410

2022

$2,648 (+7.5%)

$678,300 + $367,200

$1,045,500

2021

$2,463 (+3.5%)

$73,424 + $113,100

$186,524

2020

$2,380

$71,985 + $110,883

$182,868

2019

$2,378 (+1.9%)

$71,247 + $109,747

$180,994

2018

$2,334 (+1.1%)

$69,850 + $107,596

$177,446

2017

$2,308 (+2.9%)

$67,139 + $103,419

$170,558

2016

$2,242 (+1.1%)

$67,139 + $103,419

$170,558

2015

$2,217 (+1.6%)

$65,823 + $101,392

$167,215

2014

$2,183 (+1.5%)

$63,565 + $97,913

$161,478

2012

$2,152 (+2.6%)

$63,278 + $97,471

$160,749

2011

$2,097 (+1.7%)

$62,038 + $95,560

$157,598

2010

$2,063 (−0.1%)

$60,822 + $93,687

$154,509

2009

$2,066 (+6.2%)

$60,368 + $92,987

$153,355

2008

$1,945

$60,512 + $93,208

$153,720

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

Permits

Jan 8, 2027 • Active

Mechanical permit (simple) - county

Replace the heating and air conditioning system with a similar unit.

HVAC

Jan 8, 2027 • Active

Electrical permit (simple) - county

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

Pool Information
Has Pool

Property Information
Subdivision Name: 12607
Living Sq. Ft: 1,648
# of Units: 1
Legal Description: TRACT # 12607 LOT 32

Lot Information
# of Buildings: 1
Land Sq. Ft: 6,043
Legal Lot Number: 32
Acres: 0.1387
Depth Footage: 115
Front Footage: 53
Zoning Code: LCR175
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 1,648
Stories: —
Lot Size: 6,043 square feet
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1947
County: Los Angeles County
APN: 5833009018

Home facts updated by county records on Oct 8, 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

Climate risks

1/10 Flood Factor

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

8/10 Fire Factor

28% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 96° expected this year, 18 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)

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

$847,000 – $1.02M

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Nearby similar homes

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Land— sq ft

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Land— sq ft

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Land— sq ft

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Compass

New listings for sale in 91001

$1,689,999

3 beds2 baths2,041 sq ft

1890 Homewood, Altadena, CA 91001

OPEN SUN, 1PM TO 4PM

$2,350,000

3 beds3 baths2,419 sq ft

1211 E Palm St, Altadena, CA 91001

OPEN SAT, 2PM TO 4PM

$1,595,000

4 beds3 baths1,932 sq ft

4369 El Prieto Rd, Altadena, CA 91001

Compass

OPEN SAT, 1PM TO 4PM

$1,099,000

3 beds2 baths1,810 sq ft

93 Reever Way, Altadena, CA 91001

OPEN SAT, 12PM TO 3PM

$1,398,000

3 beds2 baths1,408 sq ft

1856 Harding Ave, Altadena, CA 91001

OPEN SAT, 1PM TO 3PM

$2,388,000

5 beds5.5 baths3,806 sq ft

2195 Mendocino Ln, Altadena, CA 91001

The Agency

OPEN SAT, 2PM TO 4PM

$2,295,000

3 beds2.5 baths2,474 sq ft

2062 New York Dr, Altadena, CA 91001

OPEN SAT, 2PM TO 4PM

$1,898,000

4 beds4 baths2,469 sq ft

2391 Catherine Rd, Altadena, CA 91001

$2,848,000

6 beds5 baths4,180 sq ft

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Home values near 123 Marathon Rd

Data from public records.

Address	Redfin Estimate
157 Marathon Rd, Altadena, CA 3 Beds \| 2 Baths \| 1259 Sq. Ft.	$762,469
103 Marathon Rd, Altadena, CA 3 Beds \| 2 Baths \| 1508 Sq. Ft.	$908,122

Address	Redfin Estimate
163 Marathon Rd, Altadena, CA 4 Beds \| 2 Baths \| 1659 Sq. Ft.	$957,445
113 Marathon Rd, Altadena, CA 3 Beds \| 2 Baths \| 1470 Sq. Ft.	$902,681

Address	Redfin Estimate
95 Marathon Rd, Altadena, CA 3 Beds \| 2 Baths \| 1506 Sq. Ft.	$892,061
131 Marathon Rd, Altadena, CA 4 Beds \| 2 Baths \| 1490 Sq. Ft.	$935,837

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91001, CA

Sale history for 123 Marathon Rd

Tax history for 123 Marathon Rd

Permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91001

Home values near 123 Marathon Rd

More real estate resources