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$1,450,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 3 Full Baths
  • 2,157 Sq. Ft.
  • 3 Car Garage
  • Updated 22 hours ago

Next open house:

Open House: 1:00 PM - 4:00 PM

Saturday 1/31 1:00 PM - 4:00 PM

21030 Riego,Diamond Bar, CA 91765

21030 RiegoDiamond BarCA91765

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Join us at 21030 Riego on:

  • Open House: 1:00 PM - 4:00 PM

    Sunday 2/1 1:00 PM - 4:00 PM

    21030 Riego,Diamond Bar, CA 91765
    21030 RiegoDiamond BarCA91765
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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. *** This home goes beyond cosmetic updates with a complete infrastructure overhaul *** Electrical - upgraded 200Amp MAIN PANEL & whole-house WIRE REPLACEMENT *** Plumbing - full repiping 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

Full Property Details for 21030 Riego

General

  • Price: $1,450,000
  • Status: Active
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: TR26018437
  • Updated: 1/27/2026
  • Days on Market: 2 days
  • Added to Site: 2 day(s) ago

Interior

  • Rooms/Areas: All Bedrooms Down, Great Room, Kitchen, Laundry, Main Floor Bedroom, Main Floor Primary Bedroom, Walk-In Closet
  • Interior Features: Copper Plumbing (Full), Quartz Counters, Recessed Lighting
  • Fireplace: Yes
  • Fireplace(s): Great Room
  • Eating Areas: Area, Breakfast Counter/Bar
  • Appliances: Dishwasher, Gas Oven, Gas Water Heater, Range Hood
  • Flooring: Vinyl

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 3

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Laundry: Individual Room

Additional Information

  • Pool: Yes
  • Pool Description: Private

Parking

  • Garage: Yes
  • Garage Spaces: 3
  • Parking: Garage (Direct Access), Driveway, Garage, Garage Faces Front, Garage (Two Doors), Garage Door Opener, Private, RV Access/Parking

Location

  • County: Los Angeles
  • Driving Directions: S Diamond Bar Blvd towards Fallow Field Dr towards E Riego Dr.

School Information

  • School District: Walnut Valley Unified
  • Elementary School: CASROC
  • Middle School: SOUTHP
  • High School: DIABAR

Community

  • Community Features: Sidewalks, Suburban

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Structure Type: Single Family Residence
  • Common Walls: No Common Walls
  • Entry Location: 1
  • Stories/Levels: One
  • Stories Description: One
  • Square Feet: 2,157
  • Sq. Ft. Source: Seller
  • Year Built: 1980
  • Year Built Source: Assessor

Lot Features

  • Property View: None
  • Lot Size (Acres): 0.1908
  • Lot Size (Sq. Ft.): 8,312
  • Lot Size Source: Assessor
  • Irrigation System: Sprinkler System
  • Lot Description: 0-1 Unit/Acre, Back Yard, Front Yard, Lot 6500-9999, Sprinkler System

Financial Considerations

  • Price Per Sq. Ft.: $672.23

Disclosures and Reports

  • Special Conditions: Standard

Listed by Pacific Sterling Realty, Yingqi Guan

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Listing agent

— 21030 Riego —

  • Yingqi Guan

    Pacific Sterling Realty

626-991-3801

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 21030 Riego

School District:Walnut Valley Unified School District
NameGradesDistance
Castle Rock Elementary School, Diamond Bar, CA
2975 Castlerock Road, Diamond Bar, CA 91765
K-50.2 mi
South Pointe Middle School
20671 Larkstone Drive, Walnut, CA 91789
6-81.3 mi
Diamond Bar High School
21400 Pathfinder Road, Diamond Bar, CA 91765
9-120.6 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 21030 Riego Get Price Alerts and Save Property

Date
Details
Price
Change
Source
1/26/2026
Listed
$1,450,000
46.46%
MLS
4/16/2024
Sold
$990,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 21030 Riego

Year
Property Taxes
Change
Tax Assessment
Change
2025
$12,703
192%
$1,009,800
211%
2023
$4,353
2%
$324,610
2%
2022
$4,261
2%
$318,246
2%
2021
$4,175
1%
$312,007
1%
2020
$4,124
2%
$308,809
2%
2019
$4,048
6%
$302,755
2%
2018
$3,814
5%
$296,820
2%
2017
$3,646
3%
$291,001
2%
2016
$3,529
—
$285,296
2%
2015
$3,546
—
$281,011
2%
2014
$3,553
1%
$275,508
—
2013
$3,519
—
$274,263
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 21030 Riego

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Listed by Pacific Sterling Realty, Yingqi Guan

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21030 Riego, Diamond Bar, CA 91765 (MLS# TR26018437) is a Single Family property with 5 bedrooms and 3 full bathrooms. 21030 Riego is currently listed for $1,450,000 and was received on January 26, 2026. Want to learn more about 21030 Riego? Do you have questions about finding other Single Family real estate for sale in Diamond Bar? You can browse all Diamond Bar real estate or contact a Coldwell Banker agent to request more information.

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