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Off Market Sep 2016 for $1.7M

$2,825,073

Est. refi paymentEst. refi $9,573/mo

•

2,502

sq ft

646 Old Mill Rd, Pasadena, CA 91108

About this home

San Marino Schools! Situated on a desirable tree-lined street just one block from the prestigious Langham Huntington Hotel & popular Mission district, this beautifully-remodeled traditional has it all - a fantastic location, a flowing floor plan, spacious rooms, a private backyard with pool & award-winning San Marino public schools! A formal entry welcomes guests into a charming LR with hardwood floors, crown moldings & a handsome fireplace, and a formal DR. The adjacent garden room captures scenic pool & greenery views. The modern kitchen features abundant cabinets, stainless steel appliances and opens to a darling breakfast room with glass cabinetry and a laundry room. Three comfortable BRs & three tiled BAs complete the main level. The cozy lower level features a large paneled family room with fireplace. An adjacent BA, basement storage & direct garage access provide added convenience. Perfect for entertaining & outdoor enjoyment, the walled backyard showcases a sparkling pool, fountains, koi pond & an expansive patio area for alfresco dining & relaxation. Only a stone's throw from restaurants, boutiques, Parks, the historic Old Mill, Langham Hotel, and easy freeway access to downtown LA, this is a special Pasadena gem with coveted San Marino schools.

Single-familyProperty Type

1937Year Built

7,770 sq ftLot Size

$1,129Est. Price/Sq.Ft.

2 car garageParking

Listed by Carol Chua •DRE #00908699 • Coldwell Banker Realty

Bought with Zhongmin Su •DRE #01936028 • Re/Max Omega

Redfin checked: a minute ago

•Source:CRMLS #P0-316006868

Redfin Estimate

$2,825,073

$1.1M since sold in September 2016$40K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4% higher than the average sale price ($2.72M) of 6 comparable homes.

SOLD JUN 23, 2026
$3,501,181
A
4 beds4 baths3,450 sq ft
1181 Old Mill Rd, San Marino, CA 91108
SOLD MAY 26, 2026
$2,635,500
B
3 beds3 baths2,258 sq ft
1620 S Euclid Ave, San Marino, CA 91108
Berkshire Hathaway Home Servic
SOLD JUL 13, 2026
$2,600,000
C
3 beds3 baths2,641 sq ft
2225 El Molino Pl, San Marino, CA 91108
Keller Williams Realty
SOLD JUN 23, 2026
$2,700,000
D
4 beds3 baths2,662 sq ft
1874 S Euclid Ave, San Marino, CA 91108
SOLD MAY 26, 2026
$2,010,777
E
3 beds2 baths1,479 sq ft
777 Old Mill Rd, Pasadena, CA 91108
SOLD MAR 13, 2026
$2,850,000
F
4 beds3 baths2,630 sq ft
1730 S Euclid Ave, San Marino, CA 91108
The Agency

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Earn from this home

Sell

$1,575,984

Est. take-home

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Refinance

Est. cash available

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Rent

$4,803/mo

Redfin rental estimate

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Market trends in 91108, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

109.8%

+1.2% MoM

Median sale price

$3.3M

$472K MoM

Avg. days on market

26d

2 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN TODAY, 1PM TO 5PM
$3,880,000
4 beds3 baths2,946 sq ft
1439 Wembley Rd, San Marino, CA 91108
Re/Max Premier Properties
$3,175,000
4 beds4 baths2,824 sq ft
2490 Cumberland, San Marino, CA 91108
OPEN TODAY, 1PM TO 4PM
$2,999,000
5 beds4 baths4,022 sq ft
2245 E California, San Marino, CA 91108
COMING SOON
$2,750,000
4 beds4 baths3,451 sq ft
2968 Gainsborough Dr, San Marino, CA 91108
COMING SOON
$2,980,000
5 beds5 baths2,906 sq ft
1334 Sierra Madre Blvd, San Marino, CA 91108
Wetrust Realty
$3,280,000
5 beds4 baths3,095 sq ft
2136 S El Molino, San Marino, CA 91108
Re/Max Premier Prop SanMarino
$4,390,000
5 beds5.5 baths4,989 sq ft
1203 Patton Way, San Marino, CA 91108
$1,990,000
3 beds2 baths1,709 sq ft
2380 Sherwood Rd, San Marino, CA 91108
REAL BROKERAGE TECHNOLOGIES
$4,988,000
3 beds3.5 baths4,022 sq ft
1230 Winston Ave, San Marino, CA 91108
See all

Provided by Redfin

Sale history for 646 Old Mill Rd

Date

Event

Price

CRMLS #P0-316006868

Sep 19, 2016

Sold

$1,739,500

$695/sq ft

Aug 15, 2016

Listing Removed

—

Jul 27, 2016

Listed

$1,750,000

$699/sq ft

CRMLS #P213910

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 25, 2012

Price Changed

$239,000

$96/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Dec 14, 2000

Price Changed

$775,000

$310/sq ft

Oct 29, 2000

Listed

$239,000

$96/sq ft

Public Records

Aug 17, 2001

Sold

$727,500

$291/sq ft

CRMLS #2213921

Jul 26, 2001

Delisted

—

May 25, 2001

Listed

$298/sq ft

CRMLS #2213910

May 25, 2001

Listed

$775,000

$310/sq ft

Public Records

Feb 18, 1998

Sold

$522,500

$209/sq ft

CRMLS #2708935

Dec 20, 1997

Delisted

—

Oct 31, 1997

Listed

$219/sq ft

Public Records

Jun 30, 1983

Sold

$258,500

$103/sq ft

** Price available after signing in.

Year

Property tax

Land + Additions

Assessment*

2025

$23,259 (+4.9%)

$1,615,069 + $403,764

$2,018,833

2024

$22,177 (+0.8%)

$1,615,069 + $403,764

$2,018,833

2023

$21,992 (+3.6%)

$1,583,401 + $395,848

$1,979,249

2022

$21,220 (+4.3%)

$1,552,354 + $388,087

$1,940,441

2021

$20,352 (+4.3%)

$1,521,916 + $380,478

$1,902,394

2020

$19,515 (−0.3%)

$1,492,075 + $373,018

$1,865,093

2019

$19,573 (−2.3%)

$1,476,776 + $369,194

$1,845,970

2018

$20,033 (−1.3%)

$1,447,820 + $361,955

$1,809,775

2017

$20,303 (+86.3%)

$1,391,600 + $347,900

$1,739,500

2016

$10,895 (+1.3%)

$1,391,600 + $347,900

$1,739,500

2015

$10,760 (+2.1%)

$518,387 + $389,475

$907,862

2014

$10,538 (−9.0%)

$500,600 + $376,111

$876,711

2012

$11,578 (+5.9%)

$498,338 + $374,412

$872,750

2011

$10,934 (+1.7%)

$488,567 + $367,071

$855,638

2010

$10,754 (+10.6%)

$478,988 + $359,874

$838,862

2009

$9,726 (+3.2%)

$475,409 + $357,185

$832,594

2008

$9,428

$476,539 + $358,034

$834,573

Tax history for 646 Old Mill Rd

Year

Property tax

Land + Additions

Assessment*

2025

$23,259 (+4.9%)

$1,615,069 + $403,764

$2,018,833

2024

$22,177 (+0.8%)

$1,615,069 + $403,764

$2,018,833

2023

$21,992 (+3.6%)

$1,583,401 + $395,848

$1,979,249

2022

$21,220 (+4.3%)

$1,552,354 + $388,087

$1,940,441

2021

$20,352 (+4.3%)

$1,521,916 + $380,478

$1,902,394

2020

$19,515 (−0.3%)

$1,492,075 + $373,018

$1,865,093

2019

$19,573 (−2.3%)

$1,476,776 + $369,194

$1,845,970

2018

$20,033 (−1.3%)

$1,447,820 + $361,955

$1,809,775

2017

$20,303 (+86.3%)

$1,391,600 + $347,900

$1,739,500

2016

$10,895 (+1.3%)

$1,391,600 + $347,900

$1,739,500

2015

$10,760 (+2.1%)

$518,387 + $389,475

$907,862

2014

$10,538 (−9.0%)

$500,600 + $376,111

$876,711

2012

$11,578 (+5.9%)

$498,338 + $374,412

$872,750

2011

$10,934 (+1.7%)

$488,567 + $367,071

$855,638

2010

$10,754 (+10.6%)

$478,988 + $359,874

$838,862

2009

$9,726 (+3.2%)

$475,409 + $357,185

$832,594

2008

$9,428

$476,539 + $358,034

$834,573

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

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

7,532 Sq. Ft.

Year renovated

1940

Sq. Ft.

1,815

Year built

1937

Style

Single Family Residential

County

Los Angeles County

APN

5325008032

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 30, 2026.

RS-4

Single-Family Residential District

The purposes of the RS zoning districts are to: Provide appropriately located areas for single-family residential neighborhoods that are consistent with and implement the Single-Family Residential land use designation of the General Plan, and that are consistent with the standards of public health and safety established by this Zoning Code; and Ensure adequate light, air, privacy, and open space for each dwelling, and protect residents from the harmful effects of excessive noise, population density, traffic congestion, and other adverse environmental effects. The designation of property in the RS zoning district shall include the Zoning Map showing a numerical suffix to the RS map symbol (e.g., RS-2) which shall note the maximum number of dwelling units allowed per acre of site area.

Zone overlays

Hillside Overlay District

Permitted uses

Include but are not limited to:

Day care facility
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Infrastructure

Property details

Parking

Parking / Garage Information
# of Garage Spaces: 2
Garage - Single Door, Side by Side
Has Parking
# of Parking Spaces: 2

Interior

Laundry Information
Has Laundry
Individual Room, Inside

Kitchen Information
Appliances: Convection Oven, Dishwasher, Garbage Disposal, Double Oven, Gas Cooktop, Range/Stove Hood, Refrigerator
Has Appliances
Remodeled Kitchen, Tile Counters

Bathroom Information
# of Baths (Full): 1
# of Baths (3/4): 3
Remodeled, Tile Counters

Cooling Information
Gas
Has Cooling

Room Information
Formal Entry, Living Room, Primary Bedroom, Separate Family Room, Utility Room

Fireplace Information
Family Room, Living Room, Raised Hearth
Has Fireplace

Flooring Information
Stone, Wood

Heating Information
Forced Air, Natural Gas
Has Heating

Interior Features
Sliding Glass Door(s)
Entry Level: 2
Entry Location: Top Level
Built-Ins, Crown Moldings, Recessed Lighting, Storage Space
Levels: Two
Security Features: Carbon Monoxide Detector(s), Smoke Detector
Window Features: Custom Covering, Plantation Shutters

Exterior

Exterior Information
Roof: Composition
Construction Materials: Stucco

Foundation Information
Foundation Details: Raised

Exterior Features
Rain Gutters
Patio And Porch Features: Covered, Patio Open
Has Patio
Pool Features: In Ground, Private
Has Pool
Has Sprinklers

Green Property Infomration
Location: Transportation, Walkability

Lot Information
Lot Size Source: Taped
Lot Size Dimensions: 68 x 135
Lot Features: Landscaped, Near Public Transit, Park Nearby, Paved, Lot Shape-Rectangular, Sprinkler System, Sprinklers Timer

Property Information
Common Walls: No Common Walls
Direction Faces: North
Parcel Number: 5325008032
Property Condition: Updated/Remodeled
Total # of Stories: 2
Has View
Year Built Source: Assessor

Location

Location Information
Latitude: 34.11827800
Longitude: -118.13670300
Other Subdivision Name: Not Applicable - 1007242
Directions: Cross Street: E of El Molino; W of Ardmore; From Huntington Drive, go north on Oak Knoll and make a left on Old Mill Road. From 210 freeway, exit Lake. Go south on Lake to Oak Knoll. Make a right on Old Mill Road. From 110 freeway, exit Fair Oaks. Go straight onto Grevelia/Garfield. Then left on Mission, left on El Molino and right on Old Mill.
Road Frontage Type: Access via City Streets
Road Surface Type: Paved
Subdivision Name: Not Applicable
Zoning: PSR4

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,815
Stories: —
Lot Size: 7,532 square feet
Style: Single Family Residential
Year Built: 1937
Year Renovated: 1940
County: Los Angeles County
APN: 5325008032

Home facts updated by county records on Aug 30, 2026

Other

Listing Information
Days Active in MLS: 19
Continuous Days Active in MLS: 19

Listing Agent Information
List Agent First Name: Carol
List Agent Last Name: Chua

Listing Office Information
List Office Name: Coldwell Banker Realty

Selling Agent Information
Buyer Agent First Name: Zhongmin
Buyer Agent Last Name: Su

Selling Office Information
Buyer Office Name: Re/Max Omega

Around this home

Schools

McKinley School

Public K-8 • Assigned • 1.5mi

2/10

Blair High School

Public 6-12 • Assigned • 0.8mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The real estate market is becoming more balanced. Buyers have more inventory, more data, and more time to make informed decisions than they did a year ago. Well-priced homes are still moving quickly, but today’s market rewards preparation, strategy,...
2 months ago • Los Angeles County
Peter Santos
Redfin Premier agent
82 deals
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Climate risks

1/10 Flood Factor

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 20 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

6/10 Air Factor

10 unhealthy days expected this year, 10 days in 30 years

Provided by First Street

Historical weather

Pasadena, CA • 91108

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 9.7 hours in June and 6.8 hours in December, placing it above the U.S. average for solar exposure.

9.7 hrs

6.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.68M – $3.25M

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Nearby similar homes

$3,280,000

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COMPASS

New listings for sale in 91108

OPEN TODAY, 1PM TO 5PM

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OPEN TODAY, 1PM TO 4PM

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COMING SOON

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COMING SOON

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Wetrust Realty

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Re/Max Premier Prop SanMarino

$4,390,000

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REAL BROKERAGE TECHNOLOGIES

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3 beds3.5 baths4,022 sq ft

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Home values near 646 Old Mill Rd

Data from public records.

Address	Redfin Estimate
595 Old Mill Road, San Marino, CA 4 Beds \| 3 Baths \| 2526 Sq. Ft.	$3,207,536
580 Old Mill Road, San Marino, CA 4 Beds \| 3 Baths \| 2195 Sq. Ft.	$2,815,542

Address	Redfin Estimate
575 Old Mill Road, San Marino, CA 3 Beds \| 2.5 Baths \| 2174 Sq. Ft.	$2,499,391
670 Old Mill Road, Pasadena, CA 3 Beds \| 3 Baths \| 2527 Sq. Ft.	$2,600,294

Address	Redfin Estimate
555 Old Mill Road, San Marino, CA 4 Beds \| 3 Baths \| 2241 Sq. Ft.	$2,923,781
690 Old Mill Road, Pasadena, CA 3 Beds \| 2 Baths \| 1845 Sq. Ft.	$2,236,461

Property information provided by CRMLS when last listed in 2016. This data may not match . Learn more.

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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 91108, CA

Sale history for 646 Old Mill Rd

Tax history for 646 Old Mill Rd

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91108

Home values near 646 Old Mill Rd

More real estate resources