$1,250,000
SOLD MAY 13, 2026

20899 Starshine Rd Walnut, CA 91789

4 Beds
3 Baths
2,150 Sq Ft
5,941 Sq Ft Lot Lot

Sale Details

Date Sold: May 13, 2026

$581 Per Sq Ft

900% Above List Price

12 Days on Market

Highlights

  • Peek-A-Boo Views
  • Den
  • Living Room
  • Evergreen Elementary School Rated A
  • 2 Car Attached Garage
  • 3-minute walk to Star Shine Park

About This Home

As of May 2026

Welcome to this beautifully cared-for home in the heart of Diamond Bar! Located in a highly desirable neighborhood and within the award-winning Walnut Valley Unified School District, this residence offers a rare combination of location, comfort, and functionality.Featuring a well-planned layout with one bedroom downstairs, this home is ideal for multi-generational living, guests, or work-from-home flexibility. High Ceiling in the living Room and Formal Dining Room. The interior showcases wood flooring, spacious living areas, and a large primary bedroom that offers both comfort and privacy. Appraiser Mesured 2150sqft. Tax Record show 1970sqft. Lovingly maintained by the owner and enhanced by professional landscaping, this home offers excellent curb appeal and true move-in ready condition. Enjoy the convenience of being close to schools, parks, shopping, restaurants, and freeway access, all while living in one of Diamond Bar’s most desirable communities. Walking distance to Evergreen Elementary, Diamond Bar High School and Starshine Park and Ronald Reagan Park. Walnut mailing Zip Code and Diamond Bar City.

Last Agent to Sell the Property

Cathy Cheng

CC Royal Realty Brokerage Phone: 626-222-3050 License #01270713 Listed on: 03/27/2026

Last Buyer's Agent

Ning Wang

Real Broker License #02235972

Home Details

Home Type

  • Single Family

Year Built

  • Built in 1983

Lot Details

  • 5,941 Sq Ft Lot
  • Density is up to 1 Unit/Acre

HOA Fees

  • $61 Monthly HOA Fees

Parking

  • 2 Car Attached Garage

Home Design

  • Entry on the 1st floor

Interior Spaces

  • 2,150 Sq Ft Home
  • 2-Story Property
  • Formal Entry
  • Family Room with Fireplace
  • Living Room
  • Den
  • Peek-A-Boo Views
  • Laundry in Garage

Bedrooms and Bathrooms

  • 4 Bedrooms | 1 Main Level Bedroom
  • 3 Full Bathrooms

Schools

  • Evergreen Elementary School
  • Diamond Bar High School

Utilities

  • Central Heating and Cooling System

Listing and Financial Details

  • Tax Lot 17
  • Tax Tract Number 35742
  • Assessor Parcel Number 8765004017
  • $822 per year additional tax assessments

Community Details

Overview

  • Pathfinder Community Association, Phone Number (714) 285-2626
  • The Management Trust HOA

Amenities

  • Picnic Area

Recreation

  • Community Playground

Home Details

Home Type

Single Family

Year Built

Built in 1983

Lot Details

5,941 Sq Ft Lot

HOA Fees

$61 per month

Parking

2

Listing Details

  • Structure Type: House
  • Assessments: Yes
  • Property Attached: No
  • View: Yes
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Parcel Number: 8765004017
  • Year Built: 1983
  • Special Features: None

Interior Features

  • Fireplace: Yes
  • Living Area: 2150.00 Square Feet
  • Stories: 2
  • Common Walls: No Common Walls
  • Full Bathrooms: 3
  • Total Bedrooms: 4
  • Entry Level: 1
  • Fireplace Features: Family Room
  • Levels: Two
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1
  • Price Per Square Foot: 581.40
  • Room Type: Formal Entry, Entry, Living Room, Family Room, Den

Exterior Features

  • View: Peek-A-Boo
  • Pool Private: No

Garage/Parking

  • Attached Garage: Yes
  • Garage Spaces: 2.00
  • Total Parking Spaces: 2.00

Utilities

  • Heating: Yes
  • Laundry: Yes
  • Heating Type: Central
  • Laundry Features: In Garage
  • Sewer: Public Sewer
  • Water Source: Public
  • Cooling: Central Air
  • Cooling: Yes

Condo/Co-op/Association

  • Association: Yes
  • Amenities: Playground, Picnic Area
  • Association Fee: 61.00
  • Association Fee Frequency: Monthly
  • Association Name: pathfinder community
  • Phone: 7142852626
  • Senior Community: No
  • Community Features: Curbs
  • Association Management: The Management Trust

Schools

  • Elementary School: Evergreen
  • High School: Diamond Bar
  • Elementary School #2: EVERGR
  • High School2: DIABAR

Lot Info

  • Additional Parcels: No
  • Land Lease: No
  • Lot Features: 0-1 Unit/Acre
  • Lot Size Sq Ft: 5941.00
  • Lot Size Acres: 0.1364

Multi Family

  • Lease Considered: No
  • Lot Size Area: 5941.0000 Square Feet
  • Number Of Units Total: 1

Tax Info

  • Tax Lot: 17
  • Tax Tract Number: 35742
  • TaxOtherAnnualAssessmentAmount: 822.00

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 27, 2026
Closed on
Apr 27, 2026
Sold by
Bought by
Seller's Agent
Cathy Cheng
CC Royal Realty
Buyer's Agent
Ning Wang
Real Broker
List Price
$125,000
Sold Price
$1,250,000
Premium/Discount to List
$1,125,000
900%
Views
36

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-18.83%
Original Mortgage
$750,000
Outstanding Balance
$749,253
Interest Rate
6%
Mortgage Type
New Conventional
Estimated Equity
$487,775

Purchase Details

Closed on
Apr 29, 2024
Sold by
Bought by

Purchase Details

Closed on
Apr 19, 2024
Sold by
Bought by
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Grant Deed $1,250,000 California Best Title
Deed -- None Listed On Document
Deed -- None Listed On Document
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $750,000 New Conventional
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
05/13/2026 05/13/26 Sold $1,250,000 +900.0% $581 / Sq Ft
03/27/2026 03/27/26 For Sale $125,000 -- $58 / Sq Ft
Source: California Regional Multiple Listing Service (CRMLS)

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

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 $5,816 $433,390 $184,232 $249,158
2024 $5,501 $424,893 $180,620 $244,273
2023 $5,373 $416,563 $177,079 $239,484
2022 $5,260 $408,396 $173,607 $234,789
2021 $5,156 $400,389 $170,203 $230,186
2019 $4,995 $388,514 $165,155 $223,359
2018 $4,761 $380,897 $161,917 $218,980
2016 $4,405 $366,109 $155,631 $210,478
2015 $4,429 $360,611 $153,294 $207,317
2014 $4,435 $353,548 $150,292 $203,256
Source: Public Records

Agents Affiliated with this Home

  • Section Image
  • Section Image
See All Agents

Map

Source: California Regional Multiple Listing Service (CRMLS)

MLS Number: TR26066727

California Regional Multiple Listing Service (CRMLS)

APN: 8765-004-017

Your Personal Tour Guide

Ask me questions while you tour the home.