$1,428,000 - 21030 Riego, Diamond Bar

  • 5Beds
  • 3Baths
  • 2,157SQ. Feet
  • 0.19Acres

Diamond Bar Home For Sale

This home goes beyond cosmetic updates with a complete infrastructure overhaul *** Electrical - upgraded 200Amp MAIN PANEL & whole-house WIRE REPLACEMENT *** Plumbing - full re-piping with durable Type-L COPPER *** New Insulation throughout the entire house & garage paired with New HVAC Ducting *** Interior defined by quality & safety, featuring ALL NEW FIRE-CODE drywall and ceilings, ALL NEW energy-efficient windows and patio door *** The chef-inspired kitchen showcases European-style cabinets, sleek Quartz countertop, an 18-gauge stainless steel single sink & all New appliances *** the curb appeal is enhanced by fresh paint, new garage door, new seamless gutters and a refurbished roof with new felt paper & reset tiles *** RV Parking available *** The backyard includes mature fruit trees and an established pool ready for its new owner’s personal touch *** easy access to freeway *** few minutes to market and school *** it's NOT a flip house *** Transformed 5-beds, 3-baths, Single-Story home, located in the highly sought-after Walnut School District. *** The residence has been renovated down to the studs, offering the peace of mind of a Brand-New home with the character of an established neighborhood. ***

Sales Agent

Sam Smith
  • Sam Smith
  • San Clemente Realtor ®
  • Phone: 949-204-5110
  • Cell: 949-204-5110
  • Contact Agent Now

Amenities

  • Parking Spaces3
  • ParkingDoor-Multi, Direct Access, Driveway, Garage Faces Front, Garage, Garage Door Opener, Private, RV Access/Parking
  • # of Garages3
  • GaragesDoor-Multi, Direct Access, Driveway, Garage Faces Front, Garage, Garage Door Opener, Private, RV Access/Parking
  • ViewNone
  • Has PoolYes
  • PoolPrivate
  • SecurityCarbon Monoxide Detector(s), Fire Rated Drywall, Smoke Detector(s)

School Information

  • DistrictWalnut Valley Unified
  • ElementaryCastle Rock
  • MiddleSouthpoint
  • HighDiamond Bar

Essential Information

  • MLS® #TR26018437
  • Price$1,428,000
  • Bedrooms5
  • Bathrooms3.00
  • Full Baths3
  • Square Footage2,157
  • Acres0.19
  • Year Built1980
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StatusPending
  • Listing AgentYingqi Guan
  • Listing OfficePacific Sterling Realty

Exterior

  • ExteriorCopper Plumbing
  • Exterior FeaturesRain Gutters
  • Lot DescriptionZeroToOneUnitAcre, Back Yard, Front Yard, Sprinkler System
  • ConstructionCopper Plumbing

Additional Information

  • Date ListedJanuary 26th, 2026
  • Days on Market43
  • Short SaleN
  • RE / Bank OwnedN

Community Information

  • Address21030 Riego
  • Area616 - Diamond Bar
  • CityDiamond Bar
  • CountyLos Angeles
  • Zip Code91765

Interior

  • InteriorVinyl
  • Interior FeaturesBreakfast Bar, Quartz Counters, Recessed Lighting, All Bedrooms Down, Bedroom on Main Level, Main Level Primary, Walk-In Closet(s)
  • AppliancesDishwasher, Gas Oven, Gas Water Heater, Range Hood
  • HeatingCentral
  • CoolingCentral Air
  • FireplaceYes
  • FireplacesGreat Room
  • # of Stories1
  • StoriesOne

Price Change History for 21030 Riego, Diamond Bar, (MLS® #TR26018437)

Date Details Price Change
Pending
Active Under Contract (from Active)
Price Reduced $1,428,000 $21,999 (1.52%)
Price Reduced (from $1,450,000) $1,449,999 $1 (0.00%)

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  • City:
    Diamond Bar
  • Price Range:
    $299,500 - $7,990,000
  • Current Listings:
    132
  • HOA Dues:
    $225
  • Average Price per Square Foot:
    $572

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Based on information from California Regional Multiple Listing Service, Inc. as of April 11th, 2026 at 12:36am PDT. 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.