627 Mount Street

Off Market

627 Mount Street

Diamond Bar CA 91765

2324 sq. ft.

12184 sq. ft.

Single-Family

Last sold for $1,040,000

Whit Prouty, last sold this property on 04 September 2026 after 119 days on market.

Overview

***Probate sale, court confirmation date changed to August 6, 2026, 8:30AM, Superior Court, 111 N Hill Street, Department 610, Los Angeles, CA 90012. Case Number 24STPB08388. First Overbid $1,092,500.*** 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.

Features

4 bedrooms

3 bathrooms

6 carspaces

3 open car spaces

3 garage spaces

2324 sq. ft. floor area

12184 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Diamond Bar over the last 12 months, the estimated median property value of 627 Mount Street is $1.24m.

Median value

$1.24m

Estimated value range

$755k - $2.55m

Median days on market

Estimated value trend

increase over the last 12 months

Average days on market is based on recent, comparable sales in Diamond Bar. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 627 Mount Street

2026

Sold

$1,040,000

04 Sep 2026 by Whit Prouty, of Compass

Happy sellers in Diamond Bar

85%

85% of sellers in Diamond Bar reported that their sale price either exceeded or met their price expectations.

Diamond Bar stands out for consistently delivering exceptional satisfaction and strong market results for homeowners.

This is based on voluntary sentiment collected from 4 reviews in Diamond Bar over the last 12 months.

Local market activity for 4 bedroom single-family properties in Diamond Bar

In the last 12 months, 128 four-bedroom single-family properties similar to 627 Mount Street, have been sold.

This represents a 10% increase in four-bedroom single-family properties sales when compared to the previous 12 months.

Sold

For Sale

Interested in selling?

People are reaching out to these agents in Diamond Bar for a market analysis.

Mauricio Rodriguez

(1 review)

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Stanley Escobar

at REMAX Dynasty | Whittier

(33 reviews)

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Lan "Gloria" Xiao

at REMAX Elite Realty | Alhambra

(110 reviews)

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George Najem

at Dreamworks Real Estate

(4 reviews)

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Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Diamond Bar

Mauricio Rodriguez

Mauricio Rodriguez is a recommended agent for Diamond Bar. They have 1 local sale and collected 1 local review across the last 12 months.

5 (1 review)
1 Review in Diamond Bar
1 Sale in Diamond Bar

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Stanley Escobar

Stanley Escobar is a recommended agent for Diamond Bar. They have 1 local sale and collected 1 local review across the last 12 months.

5 (33 reviews)
1 Review in Diamond Bar
1 Sale in Diamond Bar

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Lan "Gloria" Xiao

Lan "Gloria" Xiao is an award winning recommended agent for Diamond Bar. They have 1 local sale and collected 1 local review across the last 12 months.