$1,428,000
OPEN SAT 1PM - 4PM $22K PRICE DROP

21030 Riego Dr Diamond Bar, CA 91765

Estimated payment $7,706/month

Total Views 2,564
5 Beds
3 Baths
2,157 Sq Ft
$662 Price per Sq Ft

Highlights

  • Private Pool
  • RV Access or Parking
  • Main Floor Bedroom
  • Castle Rock Elementary School Rated A
  • Updated Kitchen
  • Great Room with Fireplace

About This Home

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. ***

Listing Agent

Amie Chen

Pacific Sterling Realty Brokerage Phone: 626-991-3801 License #01989489 Listed on: 01/26/2026

Pacific Sterling Realty

Open House Schedule

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1980

Lot Details

  • 8,312 Sq Ft Lot
  • Sprinkler System
  • Back and Front Yard
  • Density is up to 1 Unit/Acre

Parking

  • 3 Car Direct Access Garage
  • Parking Available
  • Front Facing Garage
  • Two Garage Doors
  • Garage Door Opener
  • Driveway
  • RV Access or Parking

Home Design

  • Entry on the 1st floor
  • Fire Rated Drywall
  • Copper Plumbing

Interior Spaces

  • 2,157 Sq Ft Home
  • 1-Story Property
  • Recessed Lighting
  • Great Room with Fireplace
  • Family Room Off Kitchen
  • Vinyl Flooring
  • Laundry Room

Kitchen

  • Updated Kitchen
  • Open to Family Room
  • Eat-In Kitchen
  • Breakfast Bar
  • Gas Oven
  • Range Hood
  • Dishwasher
  • Kitchen Island
  • Quartz Countertops

Bedrooms and Bathrooms

  • 5 Main Level Bedrooms
  • Walk-In Closet
  • Remodeled Bathroom
  • Bathroom on Main Level
  • 3 Full Bathrooms
  • Quartz Bathroom Countertops
  • Bathtub with Shower
  • Exhaust Fan In Bathroom

Home Security

  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Outdoor Features

  • Private Pool
  • Rain Gutters

Location

  • Suburban Location

Schools

  • Castle Rock Elementary School
  • Southpoint Middle School
  • Diamond Bar High School

Utilities

  • Central Heating and Cooling System
  • Gas Water Heater

Community Details

  • No Home Owners Association

Listing and Financial Details

  • Tax Lot 34
  • Tax Tract Number 33104
  • Assessor Parcel Number 8765013018
  • $705 per year additional tax assessments

Home Details

Home Type

Single Family

Year Built

Built in 1980

Lot Details

8,312 Sq Ft Lot

Parking

3

Listing Details

  • Structure Type: House
  • Assessments: Yes
  • Property Attached: No
  • Security: Carbon Monoxide Detector(s), Fire Rated Drywall, Smoke Detector(s)
  • View: No
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Parcel Number: 8765013018
  • Year Built: 1980
  • Special Features: OpenHouse

Interior Features

  • Fireplace: Yes
  • Living Area: 2157.00 Square Feet
  • Interior Amenities: Quartz Counters, Recessed Lighting, Copper Plumbing Full
  • Stories: 1
  • Common Walls: No Common Walls
  • Flooring: Vinyl
  • Appliances: Yes
  • Full Bathrooms: 3
  • Total Bedrooms: 5
  • Eating Area: Breakfast Counter / Bar, Area
  • Entry Level: 1
  • Fireplace Features: Great Room
  • Levels: One
  • Main Level Bathrooms: 3
  • Main Level Bedrooms: 5
  • Price Per Square Foot: 662.03
  • Room Type: Walk-In Closet, Laundry, All Bedrooms Down, Main Floor Primary Bedroom, Kitchen, Great Room, Main Floor Bedroom
  • Bathroom Features: Quartz Counters, Shower In Tub, Exhaust Fan(s), Main Floor Full Bath, Bathtub, Remodeled
  • Room Kitchen Features: Kitchen Open To Family Room, Quartz Counters, Remodeled Kitchen, Kitchen Island

Exterior Features

  • Exterior Features: Rain Gutters
  • Pool Features: Private
  • Pool Private: Yes

Garage/Parking

  • Attached Garage: Yes
  • Garage Spaces: 3.00
  • Parking: Yes
  • Parking Features: Garage, Direct Garage Access, RV Access/Parking, Garage Faces Front, Driveway, Private, Garage Door Opener, Garage - Two Door
  • Total Parking Spaces: 3.00

Utilities

  • Sprinklers: Yes
  • Heating: Yes
  • Laundry: Yes
  • Appliances: Gas Water Heater, Range Hood, Gas Oven, Dishwasher
  • Heating Type: Central
  • Laundry Features: Individual Room
  • Sewer: Public Sewer
  • Water Source: Public
  • Cooling: Central Air
  • Cooling: Yes

Condo/Co-op/Association

  • Association: No
  • Senior Community: No
  • Community Features: Sidewalks, Suburban

Schools

  • Elementary School: Castle Rock
  • High School: Diamond Bar
  • Middle Or Junior School: Southpoint
  • Elementary School #2: CASROC
  • High School2: DIABAR

Lot Info

  • Additional Parcels: No
  • Land Lease: No
  • Lot Features: Lot 6500-9999, 0-1 Unit/Acre, Front Yard, Sprinkler System, Back Yard
  • Lot Size Sq Ft: 8312.00
  • Lot Size Acres: 0.1908

Multi Family

  • Lease Considered: No
  • Lot Size Area: 8312.0000 Square Feet
  • Number Of Units Total: 1

Tax Info

  • Tax Lot: 34
  • Tax Tract Number: 33104
  • TaxOtherAnnualAssessmentAmount: 705.00

Map

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $4,454 $1,009,800 $706,452 $303,348
2024 $4,454 $331,101 $132,433 $198,668
2023 $4,353 $324,610 $129,837 $194,773
2022 $4,261 $318,246 $127,292 $190,954
2021 $4,175 $312,007 $124,797 $187,210
2019 $4,048 $302,755 $121,097 $181,658
2018 $3,814 $296,820 $118,723 $178,097
2016 $3,529 $285,296 $114,114 $171,182
2015 $3,546 $281,011 $112,400 $168,611
2014 $3,553 $275,508 $110,199 $165,309
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
03/03/2026 03/03/26 Price Changed $1,428,000 0.0% $662 / Sq Ft
03/03/2026 03/03/26 For Sale $1,428,000 -1.5% $662 / Sq Ft
03/01/2026 03/01/26 Off Market $1,449,999 -- --
02/19/2026 02/19/26 Price Changed $1,449,999 0.0% $672 / Sq Ft
01/26/2026 01/26/26 For Sale $1,450,000 -- $672 / Sq Ft
Source: California Regional Multiple Listing Service (CRMLS)

Purchase History

Date Type Sale Price Title Company
Grant Deed $990,000 California Best Title
Source: Public Records

Source: California Regional Multiple Listing Service (CRMLS)

MLS Number: TR26018437

California Regional Multiple Listing Service (CRMLS)

APN: 8765-013-018

California Los Angeles County Diamond Bar 91765

21030 Riego Dr, Diamond Bar, CA

For Sale

Detached

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California Regional Multiple Listing Service (CRMLS) The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. and /or other sources. 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

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Amie Chen
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Amie Chen
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Pacific Sterling Realty
(909) 442-5978
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