Los Angeles County  »  23817 Decorah Rd

23817 Decorah Road, Diamond Bar, CA 91765 Property Information

23817 Decorah Road, Diamond Bar, CA 91765 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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23817 Decorah Road, Diamond Bar, CA 91765
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Address

Primary address 23817 Decorah Road, Diamond Bar
Zip code 91765
County Los Angeles
Municipality Diamond Bar

Sales & Tax Overview for 23817 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 01/23/2026
Sale price $800,000
Arm's length
Current property tax $3,592

Lot & Building Information for 23817 Decorah Road, Diamond Bar

Building sqft 2,240
Building class Single Family Residence with Pool (0101)
Acreage 0.188
Units 1
Year built 1964
Year last altered
Bedrooms 5
Bathrooms 3
Heating/AC Central refrigeration & heating
Pool Yes
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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

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Other Property Data for 23817 Decorah Road, Diamond Bar

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About 23817 Decorah Road, Diamond Bar

What is the year built & the total sq. ft. for 23817 Decorah Road, Diamond Bar, CA 91765?

23817 Decorah Road, Diamond Bar, CA 91765 was built in 1964 and has a total of 2,240 square feet.

What is the assessed value of 23817 Decorah Road, Diamond Bar, CA 91765 and the property tax paid?

Assessed at $233,242, the tax amount paid for 23817 Decorah Road, Diamond Bar, CA 91765 is $2,919.

When was 23817 Decorah Road, Diamond Bar, CA 91765 last sold and what was the last sale price?

23817 Decorah Road, Diamond Bar, CA 91765 was last sold in 01/23/2026 for $800,000.

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 23817 Decorah Road, Diamond Bar

Create a free account to view the complete sales history for 23817 Decorah Road, Diamond Bar, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
01/23/2026 $800,000

Title Documents for 23817 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
01/29/2026 Cancellation Notice of Default
01/28/2026 Reconveyance
Substitution Trustee
01/23/2026 Assignment of Rents
Financing Statement
Trust Deed
01/23/2026 Grant Deed
12/19/2025 Notice of Trustees Sale
10/17/2024 Notice Default
09/06/2024 Substitution Trustee
02/09/2023 Cancellation Notice of Default
01/18/2023 Notice Default
01/18/2023 Substitution Trustee
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R: Recorded date
D: Document date

Property Taxes for 23817 Decorah Road, Diamond Bar

Access detailed property tax data for 23817 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 $2,920
Current property tax $3,592
Market value $233,242
Tax per sqft $1

Special Assessments And Penalties for 23817 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 23817 Decorah Road, Diamond Bar

Here's the assessment & property tax history for 23817 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 $233,242 1.2519 $2,920 +7.58%
2024-2025 $228,670 1.187 $2,714 +2.08%
2023-2024 $224,187 1.1861 $2,659 +1.49%
2022-2023 $219,792 1.192 $2,620 +2.18%
2021-2022 $215,484 1.1901 $2,564 +0.28%

Permits for 23817 Decorah Road, Diamond Bar

The complete history of permits filed for 23817 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 23817 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 23817 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)
Golden Springs Elementary School 7 Public K-6 413 0.26
Diamond Bar Montessori Academy NR Private PK-K 33 0.39
Diamond Bar Montessori Academy NR Private PK-K 33 0.39
Diamond Bar Montessori Academy NR Private K-3 0 0.41
Village Montessori Academy NR Private K 24 0.71

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Lorbeer Middle School 5 Public 7-8 623 0.75
Mt. Calvary Lutheran School NR Private PK-8 192 0.82
Wisdom Kids College NR Private K-8 0 1.78
Chaparral Middle School 9 Public 6-8 1,133 2.24
Suzanne Middle School 8 Public 6-8 1,120 2.58

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 1.56
International Polytechnic High School 9 Public 9-12 483 2.41
Walnut High School 10 Public 9-12 2,158 2.64
Adult And Career Education NR Public 0 2.65
Institute of Knowledge NR Private K-10 265 2.71

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

Neighbors for 23817 Decorah Road, Diamond Bar

Here are the neighbors for 23817 Decorah Road, Diamond Bar.

Address Square feet Purchase date Purchase price
23841 Decorah Rd, Diamond Bar 2,366 08/05/2010 $460,004
23846 Twin Pines Ln, Diamond Bar 1,503 08/02/2017
23836 Twin Pines Ln, Diamond Bar 2,240 08/07/2001 $260,002
337 El Encino Dr, Diamond Bar 2,033 09/24/2025 $950,000
23852 Bower Cascade Pl, Diamond Bar 2,204
23838 Bower Cascade Pl, Diamond Bar 1,859 12/20/2021 $830,000
319 El Encino Dr, Diamond Bar 1,916 04/24/2015 $599,000
325 El Encino Dr, Diamond Bar 1,951 12/22/2025 $905,000
23827 Decorah Rd, Diamond Bar 3,012 05/10/2021
23835 Decorah Rd, Diamond Bar 1,524 05/15/2012 $380,000
23847 Decorah Rd, Diamond Bar 1,279 05/05/2022
331 El Encino Dr, Diamond Bar 1,859 02/18/2005 $515,005
345 El Encino Dr, Diamond Bar 1,503 10/24/2023 $745,000
23823 Decorah Rd, Diamond Bar 1,404 03/01/2005 $485,004
23855 Decorah Rd, Diamond Bar 1,346 12/23/2019
23824 Twin Pines Ln, Diamond Bar 1,272 05/05/2015 $485,000
23830 Twin Pines Ln, Diamond Bar 1,859 03/21/2024
23846 Bower Cascade Pl, Diamond Bar 1,503 03/07/2024 $1,030,000
313 El Encino Dr, Diamond Bar 2,554 11/13/2020 $750,000
351 El Encino Dr, Diamond Bar 1,415 01/26/2016 $475,000

Nearby ZIP Codes for 23817 Decorah Road, Diamond Bar

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