646 W Mendocino Street Altadena, CA ^$ 649,000

646 W Mendocino Street

^$ 649,000

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Recently Listed

646 W Mendocino Street

Altadena, CA, 91001

^$ 649,000

Bedrooms2 Baths1.1 Sq 1,495

Monthly Estimate*

^$ 3,996

Listed by Keller Williams Realty

646 W Mendocino Street, Altadena, CA 91001 - Image 1

646 W Mendocino Street, Altadena, CA 91001 - Image 2

646 W Mendocino Street, Altadena, CA 91001 - Image 3

646 W Mendocino Street, Altadena, CA 91001 - Image 4

646 W Mendocino Street, Altadena, CA 91001 - Image 5

646 W Mendocino Street, Altadena, CA 91001 - Image 6

646 W Mendocino Street, Altadena, CA 91001 - Image 7

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Single Family Home for sale in Altadena, CA

for $649,000 with 2 bedrooms and 1 full bath, 1 half bath. This 1,495 square foot home was built in 1948 on a lot size of 0.21.

Altadena fixer with tremendous upside and opportunity. This property is ideal for investors, contractors, or buyers looking to create value through renovation. The home needs significant cleanout and updating, but offers a compelling chance to reimagine the space in a desirable Altadena setting. The property also features a converted garage currently being used as a studio, offering potential flexibility for creative use, work-from-home space, or future improvement. Generous outdoor areas, mature landscaping, and a long driveway add to the property's possibilities. Bring your vision and explore the potential this Altadena opportunity has to offer.

Single Family Active

Price

^$ 649,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Lot Size

0.21

Year Built

1948

Town/City

Altadena

County/Region

Los Angeles

MLS | Web ID

P127325

Days on Market

Features

General

Living Area 1495

Sewer Public Sewer

Heating None

Cooling None

Appliances Dishwasher Gas Range Refrigerator

Garage Spaces 0

Patio/Porch Features None

Architectural Style Traditional

Pool Features None

Construction Materials Stucco

Year Built 1948

View None

Stories Count 1

Levels One

Property Subtype Single Family Residence

Community Features Suburban

County Los Angeles

Property Type Residential

HOA false

Facing Direction North

Garage Y/N false

Other Structures Guest House

Full Baths 1

Special Listing Conditions Standard Trust

Status Active

Directions South side of Mendocino St. Cross street is Lincoln Ave.

City Altadena

Senior Community Y/N false

MLS Area 604 - Altadena

Lot Size Units Square Feet

Lot Size Square Feet 9146

Listing Terms Cash

Spa Features None

Property Attached Y/N false

Land Lease Y/N false

Lease Considered Y/N false

Virtual Tour https://www.tourfactory.com/idxr3244264 https://www.tourfactory.com/idxr3244264

Structure Type House

Living Area Units Square Feet

Standard Status Active

Occupancy Type Owner

Year Built Source Assessor

Tax Lot 41

Property Sub Type Additional Single Family Residence

Interior

Interior Amenities Crown Molding

Flooring Carpet Vinyl Wood

Fireplace Features Living Room

Common Walls No Common Walls

Air Conditioning Y/N false

Heating Y/N false

Fireplace Y/N true

Half Baths 1

1/4 Baths 0

3/4 Baths 0

Laundry Features None

Total Bedrooms 2

Total Baths 2

Exterior

Fencing None

Parking Features Driveway

Lot Features Sprinklers None

Water Source Public

Total Parking 0

Inclusions The seller intends to remove select personal belongings prior to closing. Any remaining items currently on the property at the close of escrow shall be included in the sale in their present condition.

Lot Size Area 9146

Spa false

Lot Size Acres 0.21

Private Pool false

Lot Size Source Assessor

* Excluded Features

List By

Keller Williams Realty

Broker

daveknightrealestate@gmail.com

Affordability Calculator

$3,996

Per Month

Monthly Principal & Interest: $3,996
Monthly Property Taxes: --
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Altadena, CA

Average List Price ^$1,761,185

Percent of Sale Price 171%

About Altadena, CA

42,892 Population

1% Since 2002

^$89,392 Median Income

43.89 Median Age

25% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

4827337 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/27/2026	$649,000		Listed Price

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646 W Mendocino Street, Altadena, CA, 91001 is a Single Family Home for sale at $649,000 with 1,495 sqft and a lot size of 0.21. 646 W Mendocino Street has 2 bedrooms, 1.1 baths, and was built in 1948. The property's zip code is 91001 which is in Altadena, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 5/28/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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646 W Mendocino Street

Single Family Home for sale in Altadena, CA

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