627 Mount Street Diamond Bar, CA ^$ 999,000

627 Mount Street

^$ 999,000

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627 Mount Street

Diamond Bar, CA, 91765

^$ 999,000

Bedrooms4 Baths3.0 Sq 2,324

Monthly Estimate*

^$ 6,151

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Single Family Home for sale in Diamond Bar, CA

for $999,000 with 4 bedrooms and 3 full baths. This 2,324 square foot home was built in 1972 on a lot size of 0.28.

Nestled in highly desirable Diamond Bar, 627 Mount Street is a stunning two-story home that perfectly blends comfort and potential. With four spacious bedrooms and three bathrooms, this home's open floor plan is highlighted by vaulted ceilings in the living room, a statement fireplace, and a welcoming family room off the kitchen made for gatherings. Upstairs, a generous den offers endless possibilities, whether as a game room, second family room, or your personal retreat. Step outside to a large lot complete with a sparkling pool, brick patio and cooking area, and breathtaking hill views, perfect for relaxing or entertaining. Add in a three-car garage and an expansive driveway, and you have a home that's as practical as it is beautiful. Don't miss your chance to live the Southern California dream. This is a probate sale with court confirmation required. Offers to be received and responded to on June 1, 2026.

Single Family Active

Price

^$ 999,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 0

Style

Single Family Residence

Lot Size

0.28

Year Built

1972

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

0026831225

Features

General

Living Area 2324

Heating Central

Cooling Central Air

Zoning LCR18000*

Pool Features Above Ground

Year Built 1972

View Hills

Levels Two

Property Subtype Single Family Residence

County Los Angeles

New Construction false

Property Type Residential

HOA false

Attached Garage true

Status Active

City Diamond Bar

Senior Community Y/N false

MLS Area 616 - Diamond Bar

Lot Size Units Square Feet

Lot Size Square Feet 12184

Spa Features Gunite In Ground

Standard Status Active

Interior

Flooring Carpet

Fireplace Features Living Room

Total Stories 2

Air Conditioning Y/N true

Heating Y/N true

Fireplace Y/N true

Laundry Features In Garage

Total Baths 3

Exterior

Parking Features Direct Garage Access

Lot Size Area 12184

Spa true

Building Area Total 2324

Lot Dimensions 86x140

Lot Size Acres 0.28

* Excluded Features

List By

Whit Prouty

Listing Agent

Compass

Broker

whit.prouty@compass.com

Affordability Calculator

$6,151

Per Month

Monthly Principal & Interest: $6,151
Monthly Property Taxes: --
Monthly Home Insurance: --

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Yearly Home Insurance

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 Diamond Bar, CA

Average List Price ^$2,438,093

Percent of Sale Price 144%

About Diamond Bar, CA

55,654 Population

0% Since 2002

^$90,714 Median Income

42.58 Median Age

32% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

4827338 Elementary School

0 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/13/2026	$999,000		Listed Price

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627 Mount Street, Diamond Bar, CA, 91765 is a Single Family Home for sale at $999,000 with 2,324 sqft and a lot size of 0.28. 627 Mount Street has 4 bedrooms, 3.0 baths, and was built in 1972. The property's zip code is 91765 which is in Diamond Bar, 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 Desert Association of Realtors.

Based on information from the California Desert Association of REALTORS® as of 5/20/2026. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange Program of the California Desert Association of Realtors. Real Estate listings held by brokerage firms (licensees) other than Weichert Realtors include the name of the listing brokers.

The information being provided is for consumers' personal, non-commercial use and may not be reproduced or redistributed. Its sole purpose is to be used to identify prospective properties consumers may be interested in purchasing.

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627 Mount Street

Single Family Home for sale in Diamond Bar, CA

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