Los Angeles County  »  23603 Decorah Rd

23603 Decorah Road, Diamond Bar, CA 91765 Property Information

23603 Decorah Road, Diamond Bar, CA 91765 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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23603 Decorah Road, Diamond Bar, CA 91765
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Address

Primary address 23603 Decorah Road, Diamond Bar
Zip code 91765
County Los Angeles
Municipality Diamond Bar

Sales & Tax Overview for 23603 Decorah Road, Diamond Bar

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 07/28/2015
Sale price $540,000
Arm's length
Current property tax $8,786

Lot & Building Information for 23603 Decorah Road, Diamond Bar

Building sqft 1,859
Building class Single Family Residence (0100)
Acreage 0.185
Units 1
Year built 1964
Year last altered
Bedrooms 4
Bathrooms 2
Heating/AC Central heating
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Low Density Residential (RL)
Weed hazard No
School district Pomona Unified School District

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 23603 Decorah Road, Diamond Bar

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  • • Improvements for 23603 Decorah Road, Diamond Bar , including their type, square footage, grade and when they were built.
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About 23603 Decorah Road, Diamond Bar

What is the year built & the total sq. ft. for 23603 Decorah Road, Diamond Bar, CA 91765?

23603 Decorah Road, Diamond Bar, CA 91765 was built in 1964 and has a total of 1,859 square feet.

What is the assessed value of 23603 Decorah Road, Diamond Bar, CA 91765 and the property tax paid?

Assessed at $652,027, the tax amount paid for 23603 Decorah Road, Diamond Bar, CA 91765 is $8,162.

When was 23603 Decorah Road, Diamond Bar, CA 91765 last sold?

23603 Decorah Road, Diamond Bar, CA 91765 was last sold in 01/06/2025.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 23603 Decorah Road, Diamond Bar

Create a free account to view the complete sales history for 23603 Decorah Road, Diamond Bar, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
07/28/2015 $540,000
11/21/2014 $410,000
09/17/2002 $299,002
       
       
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*Here are the three most recent sales for this property.


Title Documents for 23603 Decorah Road, Diamond Bar

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
01/06/2025 Interspousal Transfer Deed
(File correction)
01/06/2025 Assignment of Rents
Trust Deed
12/23/2024 Grant Deed
11/02/2023 Modify Trust Deed 10/01/2063
08/12/2015 Quitclaim Deed
(File correction - Single parcel sale)
07/28/2015 Trust Deed 08/01/2045
07/28/2015 Grant Deed
(Sale for consideration - full DTT - Single parcel sale)
12/29/2014 Cancellation Notice of Default
12/09/2014 Release Government Lien
12/09/2014 Release Government Lien
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R: Recorded date
D: Document date

Property Taxes for 23603 Decorah Road, Diamond Bar

Access detailed property tax data for 23603 Decorah Road, Diamond Bar, CA 91765. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $8,163
Current property tax $8,786
Market value $652,027
Tax per sqft $4

Special Assessments And Penalties for 23603 Decorah Road, Diamond Bar

Special Assessments

Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.

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

Assessment History for 23603 Decorah Road, Diamond Bar

Here's the assessment & property tax history for 23603 Decorah Road, Diamond Bar, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $652,027 1.2519 $8,163 +7.58%
2024-2025 $639,244 1.187 $7,588 +2.08%
2023-2024 $626,711 1.1861 $7,433 +1.49%
2022-2023 $614,424 1.192 $7,324 +2.16%
2021-2022 $602,377 1.1901 $7,169 +0.30%

Permits for 23603 Decorah Road, Diamond Bar

The complete history of permits filed for 23603 Decorah Road, Diamond Bar, including new construction or demolition permits, complaints, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Diamond Bar residential market stats

Median Sale Price
$949,500
-3.1% YoY
Median Price/Sqft
$553
0.5% YoY
Los Angeles County Median Sale Price
$872,000
0.2% YoY

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 County.

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

Risk

Create a free account to unlock extended information for 23603 Decorah Road, Diamond Bar, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 23603 Decorah Road, Diamond Bar to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Diamond Bar Montessori Academy NR Private PK-K 33 0.21
Diamond Bar Montessori Academy NR Private PK-K 33 0.21
Diamond Bar Montessori Academy NR Private K-3 0 0.24
Golden Springs Elementary School 7 Public K-6 413 0.45
Village Montessori Academy NR Private K 24 0.56

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Lorbeer Middle School 5 Public 7-8 623 0.66
Mt. Calvary Lutheran School NR Private PK-8 192 0.68
Wisdom Kids College NR Private K-8 0 1.86
Chaparral Middle School 9 Public 6-8 1,133 2.11
Suzanne Middle School 8 Public 6-8 1,120 2.34

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Diamond Ranch High School 7 Public 9-12 1,547 1.77
Walnut High School 10 Public 9-12 2,158 2.40
International Polytechnic High School 9 Public 9-12 483 2.42
Institute of Knowledge NR Private K-10 265 2.49
Adult And Career Education NR Public 0 2.87

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 23603 Decorah Road, Diamond Bar

Here are the neighbors for 23603 Decorah Road, Diamond Bar.

Address Square feet Purchase date Purchase price
23545 Decorah Rd, Diamond Bar 1,503 03/26/2021 $797,000
23615 Decorah Rd, Diamond Bar 1,859 03/08/2022 $996,000
23641 Decorah Rd, Diamond Bar 1,272 10/28/2024 $835,000
217 N Platina Dr, Diamond Bar 1,503 03/26/2025 $1,025,000
220 Navajo Springs Rd, Diamond Bar 1,346 10/21/2005
23555 Decorah Rd, Diamond Bar 1,503 12/28/2020 $545,000
23511 Decorah Rd, Diamond Bar 3,352 04/26/2021
208 Navajo Springs Rd, Diamond Bar 1,599 11/05/2020
23647 Decorah Rd, Diamond Bar 1,620 01/22/2002
23557 Decorah Rd, Diamond Bar 2,263 06/09/2021 $830,000
23523 Decorah Rd, Diamond Bar 1,404 01/11/2023
23609 Decorah Rd, Diamond Bar 1,503 03/01/2017
215 N Platina Dr, Diamond Bar 2,240 12/29/2016
23629 Decorah Rd, Diamond Bar 1,859 12/06/2002 $369,503
23621 Decorah Rd, Diamond Bar 1,272 04/22/2010 $425,004
23635 Decorah Rd, Diamond Bar 1,346 01/30/2023
213 N Platina Dr, Diamond Bar 1,346 08/04/2005
23549 Decorah Rd, Diamond Bar 2,012 04/21/2006
23547 Decorah Rd, Diamond Bar 1,859 09/22/2023 $910,000
23537 Decorah Rd, Diamond Bar 1,272 09/10/2020 $588,000

Nearby ZIP Codes for 23603 Decorah Road, Diamond Bar

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