20803 Missionary Ridge St, Walnut, CA 91789

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Off market may 2009 for $683K

$1,499,538

Est. refi paymentEst. refi $3,176/mo

•

2,972

sq ft

20803 Missionary Ridge St, Walnut, CA 91789

About this home

Desirable location in Walnut school district. Walking distance to Diamond Bar High. S. pointe middle and evergreen elementary schools. Open floor plan with 4 large bedrooms and 1 huge bonus room which could be used as 5th bedroom. Wood flooring at 1st and 2nd floor. Granite counter tops in the kitchen. Dual fireplaces and 3 car attached garage. cul-de-sac. Goos size backyard. best deal in the area.

Single-familyProperty Type

1980Year Built

0.41 acresLot Size

$505Est. Price/Sq.Ft.

3 car garageParking

Listed by Cathy Cheng •DRE #01270713 • ReMax 2000 Realty

Bought with Cathy Cheng •DRE #01270713 • ReMax 2000 Realty

Redfin checked: 2 minutes ago

•Source:CRMLS #H08174585

Redfin Estimate

$1,499,538

$816K since sold in May 2009$44K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% higher than the average sale price ($1.43M) of 6 comparable homes.

BOUGHT WITH REDFIN SEP 14, 2026
$1,360,000
A
4 beds3 baths2,404 sq ft
20111 Evening Breeze Dr, Walnut, CA 91789
SOLD SEP 28, 2026
$1,380,000
B
4 beds3 baths2,712 sq ft
21504 Cold Spring Ln, Diamond Bar, CA 91765
SOLD MAY 5, 2026
$1,556,000
C
4 beds3 baths2,978 sq ft
1389 S Lemon, Walnut, CA 91789
SOLD SEP 28, 2026
$1,435,000
D
4 beds2 baths2,455 sq ft
2016 Peaceful Hills Rd, Walnut, CA 91789
SOLD SEP 28, 2026
$1,110,000
E
4 beds2 baths2,108 sq ft
3147 Fallow Fld, Diamond Bar, CA 91765
SOLD SEP 22, 2026
$1,748,000
F
4 beds3 baths2,690 sq ft
22105 Birds Eye Dr, Diamond Bar, CA 91765
Latitude 33 Real Estate

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Earn from this home

Sell

$1,110,227

Est. take-home

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Refinance

Est. cash available

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Rent

$4,777/mo

Redfin rental estimate

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Market trends in 91789, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

98.8%

0.5% MoM

Median sale price

$1.3M

$21K MoM

Avg. days on market

41d

9 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN SAT, 12PM TO 4PM
$1,550,000
4 beds3 baths1,874 sq ft
322 La Tortola, Walnut, CA 91789
OPEN SAT, 1PM TO 4PM
$1,450,000
4 beds2 baths2,053 sq ft
20092 Wildcat Canyon Rd, Walnut, CA 91789
Century 21 Masters
OPEN SAT, 2PM TO 4PM
$1,488,888
4 beds2 baths2,053 sq ft
20859 E Yellow Feather Cir, Walnut, CA 91789
OPEN SAT, 1PM TO 4PM
$1,588,000
4 beds3.5 baths2,473 sq ft
19935 Camino De Rosa, Walnut, CA 91789
$1,758,000
4 beds3 baths2,548 sq ft
838 Streamview, Walnut, CA 91789
$1,899,990
4 beds4 baths2,330 sq ft
22138 Portofino Dr, Walnut, CA 91789
OPEN SAT, 1PM TO 4PM
$777,000
3 beds2.5 baths1,846 sq ft
1034 E Romney Dr, Walnut, CA 91789
$1,200,000
4 beds3 baths2,763 sq ft
950 Coronel Ct, Walnut, CA 91789
OPEN SAT, 1PM TO 4PM
$310,000
3 beds2 baths1,740 sq ft
20739 LYCOMING St #44, Walnut, CA 91789
OPEN NOV 14, 11AM TO 5PM
$949,000
3 beds3 baths1,840 sq ft
826 Francesca, Walnut, CA 91789
See all

Provided by Redfin

Sale history for 20803 Missionary Ridge St

Date

Event

Price

Public Records

May 27, 2009

Sold

$684,000

$230/sq ft

CRMLS #H08174585

May 27, 2009

Sold

$683,800

$230/sq ft

Apr 30, 2009

Listing Removed

—

Feb 9, 2009

Price Changed

$729,900

$246/sq ft

Dec 19, 2008

Listed

$759,000

$255/sq ft

CRMLS #H684113

Mar 8, 2007

Listing Removed

—

Jan 27, 2007

Listed

$859,888

$289/sq ft

CRMLS #H613308

Mar 4, 2007

Listing Removed

—

Sep 22, 2006

Listed

$859,888

$289/sq ft

Public Records

Aug 7, 1998

Sold

$347,000

$117/sq ft

Public Records

Aug 19, 1993

Sold

$325,000

$109/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$11,300 (+5.7%)

$457,621 + $440,546

$898,167

2024

$10,695 (+2.4%)

$448,649 + $431,908

$880,557

2023

$10,440 (+2.1%)

$439,852 + $423,440

$863,292

2022

$10,224 (+1.9%)

$431,228 + $415,138

$846,366

2021

$10,029 (+1.3%)

$422,773 + $406,999

$829,772

2020

$9,902 (+2.0%)

$414,484 + $399,019

$813,503

2019

$9,712 (+4.2%)

$410,234 + $394,928

$805,162

2018

$9,323 (+4.8%)

$402,191 + $387,185

$789,376

2017

$8,897 (+3.1%)

$386,574 + $372,151

$758,725

2016

$8,627 (−0.6%)

$386,574 + $372,151

$758,725

2015

$8,680 (−0.1%)

$378,995 + $364,854

$743,849

2014

$8,690 (+1.0%)

$365,991 + $352,335

$718,326

2012

$8,600 (+3.0%)

$364,337 + $350,743

$715,080

2011

$8,353 (+0.7%)

$357,194 + $343,866

$701,060

2010

$8,292 (+57.1%)

$350,191 + $337,124

$687,315

2009

$5,277 (+2.8%)

$347,574 + $334,605

$682,179

2008

$5,135

$178,831 + $243,596

$422,427

Tax history for 20803 Missionary Ridge St

Year

Property tax

Land + Additions

Assessment*

2025

$11,300 (+5.7%)

$457,621 + $440,546

$898,167

2024

$10,695 (+2.4%)

$448,649 + $431,908

$880,557

2023

$10,440 (+2.1%)

$439,852 + $423,440

$863,292

2022

$10,224 (+1.9%)

$431,228 + $415,138

$846,366

2021

$10,029 (+1.3%)

$422,773 + $406,999

$829,772

2020

$9,902 (+2.0%)

$414,484 + $399,019

$813,503

2019

$9,712 (+4.2%)

$410,234 + $394,928

$805,162

2018

$9,323 (+4.8%)

$402,191 + $387,185

$789,376

2017

$8,897 (+3.1%)

$386,574 + $372,151

$758,725

2016

$8,627 (−0.6%)

$386,574 + $372,151

$758,725

2015

$8,680 (−0.1%)

$378,995 + $364,854

$743,849

2014

$8,690 (+1.0%)

$365,991 + $352,335

$718,326

2012

$8,600 (+3.0%)

$364,337 + $350,743

$715,080

2011

$8,353 (+0.7%)

$357,194 + $343,866

$701,060

2010

$8,292 (+57.1%)

$350,191 + $337,124

$687,315

2009

$5,277 (+2.8%)

$347,574 + $334,605

$682,179

2008

$5,135

$178,831 + $243,596

$422,427

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

0.45 Acres

Year renovated

1980

Sq. Ft.

2,972

Year built

1980

Style

Single Family Residential

County

Los Angeles County

APN

8765002017

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 7, 2026.

Low Density Residential District

The RL zoning district is intended primarily for parcels developed with existing detached single-family dwellings. The maximum allowed density for new residential subdivisions within this zoning district will be three dwellings per gross acre. The RL zoning district is consistent with the low density residential land use category of the general plan.

Permitted uses

Include but are not limited to:

Livestock production
Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure
Fire house
Police station
Park & open space

Property details

Parking

Parking / Garage Information
Attached Garage
# of Garage Spaces: 3
Direct Garage Access
Has Parking

Interior

Laundry Information
Has Laundry
In Garage

Kitchen Information
Appliances: Dishwasher, Oven, Range, Stove
Has Appliances
Breakfast Nook

Bathroom Information
# of Baths (Full): 3

Cooling Information
Central
Has Cooling

Room Information
Family Room

Fireplace Information
Family Room, Living Room, Primary Bedroom
Has Fireplace

Flooring Information
Wood

Heating Information
Forced Air
Has Heating

Interior Features
Levels: Two

Exterior

Exterior Information
Roof: Concrete
Fencing: Blockwall
Has Fence
Construction Materials: Stucco

Exterior Features
Pool Features: None
Has Sprinklers

Lot Information
Lot Size Source: Assessor's Data
Lot Features: Cul-De-Sac, Landscaped, Sprinklers Timer

Property Information
Living Area Source: Assessor's Data
Parcel Number: 8765002017

Utilities

Utilities Information
Electric: 220V In Laundry
Water Source: District/Public

Location

Homeowners Association
Association Fee: $47
Association Amenities: Trash

School Information
High School District: Walnut Valley Unified

Location Information
Latitude: 33.98422100
Longitude: -117.85115100

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 2,972
Stories: —
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 1980
Year Renovated: 1980
County: Los Angeles County
APN: 8765002017

Home facts updated by county records on Oct 7, 2026

Other

Listing Information
Days Active in MLS: 132
Continuous Days Active in MLS: 132

Listing Agent Information
List Agent First Name: Cathy
List Agent Last Name: Cheng

Listing Office Information
List Office Name: ReMax 2000 Realty

Selling Agent Information
Buyer Agent First Name: Cathy
Buyer Agent Last Name: Cheng

Selling Office Information
Buyer Office Name: ReMax 2000 Realty

Around this home

Schools

K - 12
Preschool & daycare

Evergreen Elementary School

Public K-5 • Assigned • 1.0mi

9/10

Chaparral Middle School

Public 6-8 • Assigned • 2.0mi

10/10

Diamond Bar High School

Public 9-12 • Assigned • 0.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Diamond Bar market is shifting, creating new opportunities for both buyers and sellers. Buyers have a bit more negotiating room, while well-priced, well-maintained homes can still attract strong interest. If you’re considering a move, I’d be...
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

3% chance of being in a wildfire in next 30 years

5/10 Heat Factor

5 days above 99° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

13 unhealthy days expected this year, 14 days in 30 years

Provided by First Street

Historical weather

Walnut, CA • 91789

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9.5 hours in June and 6.9 hours in December, placing it above the U.S. average for solar exposure.

9.5 hrs

6.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.43M – $1.73M

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Home values near 20803 Missionary Ridge St

Data from public records.

Address	Redfin Estimate
20836 Missionary Ridge Street, Walnut, CA 2 Beds \| 2 Baths \| 1817 Sq. Ft.	$1,049,624
20818 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,370,346
20804 Missionary Ridge Street, Walnut, CA 5 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,827,496
20815 Missionary Ridge Street, Walnut, CA 3 Beds \| 2 Baths \| 1817 Sq. Ft.	$1,137,833
20831 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,353,612
2060 Peaceful Hills Road, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,354,936
2080 Peaceful Hills Road, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,311,467

Address	Redfin Estimate
20830 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2275 Sq. Ft.	$1,269,372
20812 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,399,827
20800 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,368,717
20819 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2275 Sq. Ft.	$1,225,121
20837 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,420,906
2068 Peaceful Hills Road, Walnut, CA 4 Beds \| 4 Baths \| 2475 Sq. Ft.	$1,344,180
2086 Peaceful Hills Road, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,416,919

Address	Redfin Estimate
20824 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2509 Sq. Ft.	$1,235,479
20808 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2275 Sq. Ft.	$1,267,704
20809 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2583 Sq. Ft.	$1,310,947
20825 Missionary Ridge Street, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,496,830
2050 Peaceful Hills Road, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,437,622
2074 Peaceful Hills Road, Walnut, CA 4 Beds \| 3 Baths \| 2972 Sq. Ft.	$1,417,188
2092 Peaceful Hills Road, Walnut, CA 3 Beds \| 2 Baths \| 2157 Sq. Ft.	$1,250,539

Property information provided by CRMLS when last listed in 2008. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 91789, CA

Sale history for 20803 Missionary Ridge St

Tax history for 20803 Missionary Ridge St

Public record

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 91789

Home values near 20803 Missionary Ridge St

More real estate resources