Los Angeles County  »  1233 Blenarm Dr

1233 Blenarm Drive, Walnut, CA 91789 - Property report

Also known as: 1233 Blenarm Dr

Property image for 1233 Blenarm Drive, Walnut, CA 91789
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Property type

Single Family Residence with Pool (0101)

Year built

1979

Acreage

0.204

Sale price

$398,003

General Information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
1233 Blenarm Dr
Walnut, CA 91789
Zip code
91789
County
Los Angeles
Municipality
Diamond Bar

Owner

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Building
Property type
Single Family Residence with Pool
Building sq. ft.
2,250
Buildings on lot
1
Year built
1979
Last altered
Bedrooms
3
Bathrooms
3
HVAC
Central refrigeration & heating
Pool
Yes
Sales
Sale date
02/19/2003
Sale price
$398,003
Arm's length
Tax
Tax year
2025-2026
Property tax
$6,885
Tax per sq. ft.
$3
Zoning & use
Zoning
Low Density Residential (RL)
Units
1
Lot
Acreage
0.204

Area overview

Walk score
69 /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

Ownership information for 1233 Blenarm Drive, Walnut, CA

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

Sales history for 1233 Blenarm Drive, Walnut, CA 91789

Sale date Sale price Buyer name Seller name
02/19/2003 $398,003 XXXXXX, XXX X X XXXXXX, XXXX & XXXXXX
04/06/1992 $298,500 XXXXXX, XXXX & XX X X XXXXXXXXXX X
07/12/1991 $368,512 XX XXXXXXXXXX X XXX, XXX X

*Most recent sales on record for this property.

More about Los Angeles County property records.

Title documents

Date Type Amount Party 1 Party 2
05/27/2021 Trust Deed XXXXXX XXX XXXX XXXX X XXX X XXXX XXXXXX XXXXXXXX XXX
07/24/2012 Trust Deed XXXXXX XXX XXXX XXXX X XXX X XXXX XXXXXX XXXXXXXX XXX
09/26/2011 Trust Deed XXXXXX XXX XXXX XXXX X XXX X XXXX XXXXXX XXXXXXXX XXX
03/12/2009 Trust Deed XXXXXX XXX XXXX XXXX XXXXX XXXXX XXXX
03/12/2009 Deed
(File correction - Single parcel sale)		 XXXXXX XXX XXXX XXXX XXXXXX XXX XXXX XXXX
02/19/2003 Deed
(Sale for consideration - full DTT - Single parcel sale)		 XXXXXX, XXXX & XXXXXX XXXXXX, XXX X X
04/06/1992 Deed X X XXXXXXXXXX X XXXXXX, XXXX & XX
07/12/1991 Deed XXX, XXX X XX XXXXXXXXXX X
06/13/1989 Deed XX XXX XXX X
02/28/1989 Deed XXXX XXXX X XXX XX XXXXX X & XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 1233 Blenarm Drive, Walnut, CA

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

Current property tax
Tax year
2025-2026
Base tax
$6,885
Current property tax
$7,611
Tax per sq. ft.
$3
Recent tax assessments
Market value
$587,942
Land value
$372,415
Building value
$215,527

More about Los Angeles County property taxes

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 $587,942 1.1711 $6,885 +3.43%
2024-2025 $576,414 1.1549 $6,657 +2.57%
2023-2024 $565,112 1.1485 $6,490 +2.10%
2022-2023 $554,033 1.1474 $6,357 +1.74%
2021-2022 $543,170 1.1502 $6,248 +1.32%
2020-2021 $537,602 1.147016 $6,166 +4.07%
2019-2020 $516,727 1.146694 $5,925 +3.17%
2018-2019 $506,596 1.1337 $5,743 +5.02%
2017-2018 $496,664 1.1011 $5,469 +2.71%
2016-2017 $486,927 1.0935 $5,325 -0.69%

Special assessments & penalties for 1233 Blenarm Drive, Walnut, CA

Code Description Tax levied
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
Permits

Permit information for 1233 Blenarm Drive, Walnut, CA

No recently recorded permits for this property.

More about Los Angeles County property records

Neighborhood

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
View daily traffic map

Access the detailed traffic volume map for 1233 Blenarm 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)
Walnut Valley Adult NR Public 0 0.32
Walnut Elementary School 8 Public K-5 671 0.41
Discovery World Montessori NR Private K-4 19 0.42
Discovery World Montessori School NR Private K-6 70 0.42
Institute Of Knowledge NR Private K-8 127 0.66
International Cross Academy NR Private 1-12 0 0.66
Institute of Knowledge NR Private K-10 265 0.70
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.36
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Walnut Valley Adult NR Public 0 0.32
South Pointe Middle School 8 Public 6-8 879 0.40
Institute Of Knowledge NR Private K-8 127 0.66
International Cross Academy NR Private 1-12 0 0.66
Institute of Knowledge NR Private K-10 265 0.70
Wisdom Kids College NR Private K-8 0 1.23
Ybarra Academy For The Arts And Technology 7 Public K-8 596 1.36
Elite Open School NR Private 5-12 43 1.40
Chaparral Middle School 9 Public 6-8 1,133 1.89
Suzanne Middle School 8 Public 6-8 1,120 1.91
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Walnut Valley Adult NR Public 0 0.32
International Cross Academy NR Private 1-12 0 0.66
Institute of Knowledge NR Private K-10 265 0.70
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 0.88
Diamond Bar High School 10 Public 9-12 2,557 1.32
Elite Open School NR Private 5-12 43 1.40
Walnut High School 10 Public 9-12 2,158 1.71
Aims Academy NR Private 1-12 0 1.80
John A. Rowland High School 8 Public 9-12 2,025 2.27
Nogales High School 5 Public 9-12 1,668 2.36

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

Neighbors for 1233 Blenarm Drive, Walnut, CA

1222 Rapidview Dr, Walnut 1250 Rapidview Dr, Walnut 1254 Rapidview Dr, Walnut 1225 Blenarm Dr, Walnut 1228 Rapidview Dr, Walnut 1243 Blenarm Dr, Walnut 1261 Blenarm Dr, Walnut 1251 Blenarm Dr, Walnut 1302 Rangeton Dr, Walnut 1234 Rapidview Dr, Walnut 1316 Rangeton Dr, Walnut 1322 Rangeton Dr, Walnut 1310 Rangeton Dr, Walnut 20746 Greenside Dr, Walnut 1219 Blenarm Dr, Walnut 1203 Blenarm Dr, Walnut 1242 Rapidview Dr, Walnut 20738 Greenside Dr, Walnut 1211 Blenarm Dr, Walnut 1271 Blenarm Dr, Walnut

Nearby ZIP codes for 1233 Blenarm Drive, Walnut, CA

91722, Los Angeles County, CA 91723, Los Angeles County, CA 91724, Los Angeles County, CA 91744, Los Angeles County, CA 91745, Los Angeles County, CA 91748, Los Angeles County, CA 91768, Los Angeles County, CA 91773, Los Angeles County, CA 92821, Orange County, CA

Frequently asked questions

What is the year built for 1233 Blenarm Drive, Walnut, CA 91789?

The development at 1233 Blenarm Drive, Walnut, CA 91789 was built in 1979.

What is the total square footage of 1233 Blenarm Drive, Walnut, CA 91789?

1233 Blenarm Drive, Walnut, CA 91789 has a total of 2,250 square feet.

When was 1233 Blenarm Drive, Walnut, CA 91789 last sold and what was the sale price?

1233 Blenarm Drive, Walnut, CA 91789 was last sold on 02/19/2003 for $398,003.

What is the assessed value of 1233 Blenarm Drive, Walnut, CA 91789?

1233 Blenarm Drive, Walnut, CA 91789 is currently assessed at $587,942.

What are the property taxes for 1233 Blenarm Drive, Walnut, CA 91789?

The property taxes for 1233 Blenarm Drive, Walnut, CA 91789 total $6,885.

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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