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

627 Mount Street

^$ 999,000

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Open House 5/16 1pm - 4pm

627 Mount Street

Diamond Bar, CA, 91765

^$ 999,000

Bedrooms4 Baths3.0 Sq 2,324

Monthly Estimate*

^$ 6,151

Listed by Compass

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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 0.2797.

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.

Open House

5/16/2026 1:00 PM - 4:00 PM

627 Mount Street Diamond Bar, CA

* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

^$ 999,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 0

Style

Lot Size

0.2797

Year Built

1972

Town/City

Diamond Bar

County/Region

Los Angeles

MLS | Web ID

26831225

Days on Market

Features

General

Living Area 2324

Heating Central

Cooling Central Air

Possession Close Of Escrow

Appliances Dishwasher Microwave Refrigerator

Zoning LCR18000*

Garage Spaces 3

Pool Features Gunite In Ground

Year Built 1972

View Hills

Stories Count 2

Levels Two

Property Subtype Single Family Residence

County Los Angeles

New Construction false

Property Type Residential

HOA false

Attached Garage true

Garage Y/N true

Full Baths 1

Special Listing Conditions Probate Listing

Status Active

Directions Golden Springs Dr to Golden Prados Dr to Mount Street.

City Diamond Bar

Senior Community Y/N false

Open Parking Spaces 3

MLS Area 616 - Diamond Bar

Lot Size Units Square Feet

Lot Size Square Feet 12184

Spa Features Above Ground

Property Attached Y/N false

Lease Considered Y/N false

Standard Status Active

Property Sub Type Additional Single Family Residence

Interior

Interior Amenities Jack and Jill Bath

Flooring Carpet

Furnished Y/N Unfurnished

Fireplace Features Living Room

Total Stories 2

Common Walls No Common Walls

Air Conditioning Y/N true

Heating Y/N true

Fireplace Y/N true

Half Baths 0

1/4 Baths 0

3/4 Baths 2

Laundry Features In Garage

Total Bedrooms 4

Total Baths 3

Exterior

Parking Features Door-Multi Direct Access Garage

Total Parking 6

Lot Size Area 12184

Spa true

Building Area Total 2324

Lot Dimensions 86x140

Lot Size Acres 0.2797

* Excluded Features

List By

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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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 ^$2,484,830

Percent of Sale Price 149%

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

4827337 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/8/2026	$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 0.2797. 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 Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 5/13/2026. 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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627 Mount Street

Single Family Home for sale in Diamond Bar, CA

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