Los Angeles County  »  21223 Gerndal St

21223 Gerndal Street, Walnut, CA 91789 - Property report

Also known as: 21223 Gerndal St

Property image for 21223 Gerndal Street, Walnut, CA 91789
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Property type

Single Family Residence with Pool (0101)

Year built

1966

Acreage

0.188

Sale price

$1,030,000

General Information

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Address
Primary address
21223 Gerndal St
Walnut, CA 91789
Zip code
91789
County
Los Angeles
Municipality
Diamond Bar

Owner

Find out who owns 21223 Gerndal Street, Walnut, CA 91789. Uncover corporate and individual owners with a free account.

Building
Property type
Single Family Residence with Pool
Building sq. ft.
2,210
Buildings on lot
1
Year built
1966
Last altered
Bedrooms
4
Bathrooms
3
HVAC
Central refrigeration & heating
Pool
Yes
Sales
Sale date
03/13/2023
Sale price
$1,030,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$13,057
Tax per sq. ft.
$6
Zoning & use
Zoning
Low Medium Density Residential (RLM)
Units
1
Lot
Acreage
0.188

Area overview

Walk score
70 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
46 /100.  Somewhat Bikeable
School district
Walnut Valley Unified School District
Weed hazard
No

Ownership information for 21223 Gerndal Street, Walnut, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 21223 Gerndal Street, Walnut, CA 91789

Sale date Sale price Buyer name Seller name
03/13/2023 $1,030,000 XXXXX XXXXX XXXX; XXX XXXXXX XX XXXX XX
04/22/2005 $500,005 XX XXXX XX XXXXXXXXXX XXXXX X XXXX XXXXX; XXXXXXXXXX XXXXX X XXXXXXX

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
03/13/2023 Assignment of Rents
Trust Deed
XXXXX XXXXX XXXX XXXXXX XXXX XXXX XXXXX
03/13/2023 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)
XX XXXX XX XXXXX XXXXX XXXX
06/10/2008 Modify Trust Deed XX XXXX X
05/01/2006 Trust Deed XX XXXX X XXXX XX XXXXXXX XXXXXXXX XXXXX XXX XXXXXXX XXXXXXXXXXX
04/22/2005 Deed
(Sale for consideration - full DTT - Single parcel sale)
XXXXXXXXXX XXXXX X XXXX XXXXX XX XXXX XX
12/22/2003 Deed XXXXXXXXXX, XXXXX X XXXXXXXXXX, XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 21223 Gerndal Street, Walnut, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Base tax
$13,057
Current property tax
$13,987
Tax per sq. ft.
$6
Recent tax assessments
Market value
$1,114,903
Land value
$764,954
Building value
$349,949

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $1,093,043 1.1711 $12,801 +3.43%
2024-2025 $1,071,611 1.1549 $12,376 +57.71%
2023-2024 $683,276 1.1485 $7,847 +2.10%
2022-2023 $669,879 1.1474 $7,686 +1.75%
2021-2022 $656,745 1.1502 $7,554 +1.32%
2020-2021 $650,012 1.147016 $7,456 +4.07%
2019-2020 $624,773 1.146694 $7,164 +3.17%
2018-2019 $612,524 1.1337 $6,944 +5.02%
2017-2018 $600,515 1.1011 $6,612 +2.71%
2016-2017 $588,741 1.0935 $6,438 -0.69%

Special assessments & penalties for 21223 Gerndal Street, Walnut, CA

Code Description Tax levied
00747 Consolidated Fire Protection District Of La County- Measure E
06221 County Sanitation District #21
14651 Diamond Bar District #38
02824 Diamond Bar Lighting District
06181 Greater L.A. County Vector Control District
03694 La County Regional Park And Open Space District
00744 Los Angeles County Fire Department
03071 Los Angeles County Flood Control
04000 Los Angeles County Sewer Maintenance
00170 Los Angeles County Trauma/Emerg Srvs
33011 Mwd Water Standby Charge #2
00177 Safe Clean Water Program Funding Measure W
36551 Three Valleys Mwd Standby Charge
37092 Walnut Valley Water Standby

Permit information for 21223 Gerndal Street, Walnut, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Diamond Bar residential market stats

Access a detailed real estate market overview of Diamond Bar so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Diamond Bar and compare it to other neighborhoods in Los Angeles.

Median sale price

$1,012,500

10.3% Y-o-Y

Median price/sq. ft.

$566

0.4% Y-o-Y

Los Angeles county median sale price

$870,000

-0.6% Y-o-Y

Check out recently sold homes in Diamond Bar and see how their prices compare.

Risk

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FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map
Crime incidents map

Transportation

Daily traffic map

Access the detailed traffic volume map for 21223 Gerndal Street, Walnut, CA 91789 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Institute Of Knowledge NR Private K-8 127 0.22
Institute of Knowledge NR Private K-10 265 0.23
Discovery World Montessori School NR Private K-6 70 0.33
Discovery World Montessori NR Private K-4 19 0.33
Walnut Elementary School 8 Public K-5 671 0.69
Walnut Valley Adult NR Public 0 0.70
Maple Hill Elementary School 9 Public K-5 562 1.01
International Cross Academy NR Private 1-12 0 1.14
Evergreen Elementary School 9 Public K-5 719 1.50
Vejar Elementary School 8 Public K-5 642 1.62
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Institute Of Knowledge NR Private K-8 127 0.22
Institute of Knowledge NR Private K-10 265 0.23
South Pointe Middle School 8 Public 6-8 879 0.70
Walnut Valley Adult NR Public 0 0.70
International Cross Academy NR Private 1-12 0 1.14
Chaparral Middle School 9 Public 6-8 1,133 1.46
Wisdom Kids College NR Private K-8 0 1.71
Suzanne Middle School 8 Public 6-8 1,120 1.76
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.85
Elite Open School NR Private 5-12 43 1.89
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Institute of Knowledge NR Private K-10 265 0.23
Walnut Valley Adult NR Public 0 0.70
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 1.04
International Cross Academy NR Private 1-12 0 1.14
Diamond Bar High School 10 Public 9-12 2,557 1.41
Walnut High School 10 Public 9-12 2,158 1.58
Elite Open School NR Private 5-12 43 1.89
Aims Academy NR Private 1-12 0 1.91
Nogales High School 5 Public 9-12 1,668 2.71
John A. Rowland High School 8 Public 9-12 2,025 2.76

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 21223 Gerndal Street, Walnut, CA 91789?

The development at 21223 Gerndal Street, Walnut, CA 91789 was built in 1966.

What is the total square footage of 21223 Gerndal Street, Walnut, CA 91789?

21223 Gerndal Street, Walnut, CA 91789 has a total of 2,210 square feet.

When was 21223 Gerndal Street, Walnut, CA 91789 last sold and what was the sale price?

21223 Gerndal Street, Walnut, CA 91789 was last sold on 03/13/2023 for $1,030,000.

What is the assessed value of 21223 Gerndal Street, Walnut, CA 91789?

21223 Gerndal Street, Walnut, CA 91789 is currently assessed at $1,093,043.

What are the property taxes for 21223 Gerndal Street, Walnut, CA 91789?

The property taxes for 21223 Gerndal Street, Walnut, CA 91789 total $12,800.

Disclaimer

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