LOCALLA

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Sold for $999,000

$999,000

4 beds · 3 baths · 2,324 sqft

627 Mount St Diamond Bar CA 91765

Residential

Built 1972

N/A

$430/sqft

No HOA

N/A

What's Special

Swimming PoolHills, Tree Top ViewsFireplace3-Car Garage6 Parking SpacesFurnishedFamily RoomCarpet, Ceramic Tile, Parquet FloorsSingle Family ResidenceDishwasherMicrowaveRangeOvenRefrigerator

***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.

Days On Market: 28

Listing updated: September 5, 2026 at 05:37 PM

Listed by: Whit Prouty DRE #01303275, Compass

whit.prouty@compass.com

Source: CLAW    MLS#: 26831225

Features & Facts

Interior

  • Bedrooms: 4
  • Bathrooms: 3
  • Square Feet: 2324
  • Year Built: 1972
  • Flooring: Carpet, Ceramic Tile, Parquet
  • Fireplaces: 1
  • Family Room: Yes

Contact a Buyer's Agent

Connect with Tony O'Brien — REALTOR, The Sher Group & LOCALLA

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The Sher Group and Tony O'Brien are not mortgage brokers or lenders and do not provide financing. If you opt in, we may refer you to a third-party licensed mortgage professional. We do not guarantee loan approval, rates, or terms.

MLS

© 2026 The MLS™ - Combined L.A. Westside MLS (CLAW). All rights reserved. Based on information from The MLS™ - Combined L.A. Westside MLS (CLAW) as of 10/10/2026, 10:22:22 AM. 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. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Tony O'Brien DRE #02200838 | The Sher Group DRE #02022464

Equal Housing Opportunity