Los Angeles County  »  20558 Gernside Dr

20558 Gernside Drive, Walnut, CA 91789 - Property report

Also known as: 20558 Gernside Dr

Property image for 20558 Gernside Drive, Walnut, CA 91789
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Property type

Single Family Residence (0100)

Year built

1975

Acreage

0.187

Sale price

$717,500

General Information

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Address
Primary address
20558 Gernside Dr
Walnut, CA 91789
Zip code
91789
County
Los Angeles
Municipality
Diamond Bar

Owner

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Building
Property type
Single Family Residence
Building sq. ft.
2,107
Buildings on lot
1
Year built
1975
Last altered
Bedrooms
4
Bathrooms
2
HVAC
Central refrigeration & heating
Sales
Sale date
07/10/2019
Sale price
$717,500
Arm's length
Tax
Tax year
2026-2027
Property tax
$9,555
Tax per sq. ft.
$5
Zoning & use
Zoning
Low Density Residential (RL)
Units
1
Lot
Acreage
0.187

Area overview

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

Ownership information for 20558 Gernside Drive, Walnut, CA

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

Sales history for 20558 Gernside Drive, Walnut, CA 91789

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
07/25/2019 Reconveyance
Substitution Trustee
XXXXXXXXX XXXXX X XXXXXXX XXXXXXXXX XXXXX X XXXXXXX
07/10/2019 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)
XXXXXXXXX XXXXX X XXXXXXX XXX XXXX XXXXXX XXXXXXX
02/14/2013 Reconveyance XXXXXXXX XXXXXXX XXXXXX XXXXX XXXXXXXXX XXXXX X XXXXXXX
02/14/2013 Substitution Trustee XXXXXXXXX XXXXX X XXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
03/25/2011 Trust Deed XXXXXXXXX XXXXX X XXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
06/03/2005 Deed XXXXXXXXX XXXXX X XXXXXXXXX XXXXX X XXXXXXXXX XXXXXX XXXXX
06/03/2005 Affidavit Succession Interest XXXXXXXXX XXXXXX XXXXXX XXXXXX XXXXXXXXX XXXXX X
01/02/1997 Deed XXXXX XXXXX XXXXXXXXX, XXXXX X XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 20558 Gernside Drive, 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
$9,555
Current property tax
$10,350
Tax per sq. ft.
$5
Recent tax assessments
Market value
$815,932
Land value
$551,617
Building value
$264,315

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 $799,934 1.1711 $9,368 +3.43%
2024-2025 $784,250 1.1549 $9,057 +2.57%
2023-2024 $768,873 1.1485 $8,831 +2.10%
2022-2023 $753,798 1.1474 $8,649 +1.75%
2021-2022 $739,018 1.1502 $8,500 +1.31%
2020-2021 $731,442 1.147016 $8,390 +133.09%
2019-2020 $313,890 1.146694 $3,599 +3.17%
2018-2019 $307,736 1.1337 $3,489 +5.02%
2017-2018 $301,703 1.1011 $3,322 +2.71%
2016-2017 $295,788 1.0935 $3,234 -0.69%

Special assessments & penalties for 20558 Gernside Drive, 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 20558 Gernside Drive, 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 20558 Gernside Drive, 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)
International Cross Academy NR Private 1-12 0 0.33
Walnut Valley Adult NR Public 0 0.34
Walnut Elementary School 8 Public K-5 671 0.48
Discovery World Montessori NR Private K-4 19 0.72
Discovery World Montessori School NR Private K-6 70 0.72
Wisdom Kids College NR Private K-8 0 0.88
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.00
Tzu Chi Elementary School - Walnut NR Private K-5 53 1.01
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
International Cross Academy NR Private 1-12 0 0.33
Walnut Valley Adult NR Public 0 0.34
South Pointe Middle School 8 Public 6-8 879 0.48
Wisdom Kids College NR Private K-8 0 0.88
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.00
Institute Of Knowledge NR Private K-8 127 1.02
Elite Open School NR Private 5-12 43 1.05
Institute of Knowledge NR Private K-10 265 1.05
Telesis Academy Of Science & Math 4 Public K-8 635 1.83
Rowland Unified Community Day School NR Public 7-12 31 2.05
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
International Cross Academy NR Private 1-12 0 0.33
Walnut Valley Adult NR Public 0 0.34
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 0.90
Elite Open School NR Private 5-12 43 1.05
Institute of Knowledge NR Private K-10 265 1.05
Diamond Bar High School 10 Public 9-12 2,557 1.38
Aims Academy NR Private 1-12 0 1.78
Walnut High School 10 Public 9-12 2,158 1.86
John A. Rowland High School 8 Public 9-12 2,025 1.92
Rowland Unified Community Day School NR Public 7-12 31 2.05

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

Frequently asked questions

What is the year built for 20558 Gernside Drive, Walnut, CA 91789?

The development at 20558 Gernside Drive, Walnut, CA 91789 was built in 1975.

What is the total square footage of 20558 Gernside Drive, Walnut, CA 91789?

20558 Gernside Drive, Walnut, CA 91789 has a total of 2,107 square feet.

When was 20558 Gernside Drive, Walnut, CA 91789 last sold and what was the sale price?

20558 Gernside Drive, Walnut, CA 91789 was last sold on 07/10/2019 for $717,500.

What is the assessed value of 20558 Gernside Drive, Walnut, CA 91789?

20558 Gernside Drive, Walnut, CA 91789 is currently assessed at $799,934.

What are the property taxes for 20558 Gernside Drive, Walnut, CA 91789?

The property taxes for 20558 Gernside Drive, Walnut, CA 91789 total $9,368.

Disclaimer

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