Los Angeles County  »  840 Adamsgrove Ave

840 Adamsgrove Avenue, Walnut, CA 91789 Property Information

840 Adamsgrove Avenue, Walnut, CA 91789 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

840 Adamsgrove Avenue, Walnut, CA 91789
static Mapbox map

Address

Primary address 840 Adamsgrove Avenue, Walnut
Zip code 91789
County Los Angeles
Municipality Diamond Bar

Sales & Tax Overview for 840 Adamsgrove Avenue, Walnut

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

Current property tax $1,834

Lot & Building Information for 840 Adamsgrove Avenue, Walnut

Building sqft 1,778
Building class Single Family Residence (0100)
Acreage 0.205
Units 1
Year built 1964
Year last altered
Bedrooms 5
Bathrooms 2
Heating/AC Central heating
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Low Medium Density Residential (RLM)
Weed hazard No
School district Walnut Valley Unified School District

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

Other Property Data for 840 Adamsgrove Avenue, Walnut

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 840 Adamsgrove Avenue, Walnut , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 840 Adamsgrove Avenue, Walnut

What is the year built & the total sq. ft. for 840 Adamsgrove Avenue, Walnut, CA 91789?

840 Adamsgrove Avenue, Walnut, CA 91789 was built in 1964 and has a total of 1,778 square feet.

What is the assessed value of 840 Adamsgrove Avenue, Walnut, CA 91789 and the property tax paid?

Assessed at $102,771, the tax amount paid for 840 Adamsgrove Avenue, Walnut, CA 91789 is $1,203.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 840 Adamsgrove Avenue, Walnut

Create a free account to view the complete sales history for 840 Adamsgrove Avenue, Walnut, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 840 Adamsgrove Avenue, Walnut

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
07/10/2014 Trust Deed
               
               
               
               
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 840 Adamsgrove Avenue, Walnut

Access detailed property tax data for 840 Adamsgrove Avenue, Walnut, CA 91789. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $1,204
Current property tax $1,834
Market value $102,771
Tax per sqft $1

Special Assessments And Penalties for 840 Adamsgrove Avenue, Walnut

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 840 Adamsgrove Avenue, Walnut

Here's the assessment & property tax history for 840 Adamsgrove Avenue, Walnut, 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 $102,771 1.1711 $1,204 +3.43%
2024-2025 $100,757 1.1549 $1,164 +2.57%
2023-2024 $98,783 1.1485 $1,135 +2.10%
2022-2023 $96,847 1.1474 $1,111 +1.76%
2021-2022 $94,949 1.1502 $1,092 +1.30%

Permits for 840 Adamsgrove Avenue, Walnut

The complete history of permits filed for 840 Adamsgrove Avenue, Walnut, 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.

Walnut residential market stats

Median Sale Price
$1,103,500
-8% YoY
Median Price/Sqft
$621
4% YoY
Los Angeles County Median Sale Price
$872,000
0.2% YoY

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

Risk

Create a free account to unlock extended information for 840 Adamsgrove Avenue, Walnut, 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 840 Adamsgrove Avenue, Walnut 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)
Walnut Elementary School 8 Public K-5 671 0.18
Discovery World Montessori NR Private K-4 19 0.23
Discovery World Montessori School NR Private K-6 70 0.23
Walnut Valley Adult NR Public 0 0.24
International Cross Academy NR Private 1-12 0 0.73

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Walnut Valley Adult NR Public 0 0.24
South Pointe Middle School 8 Public 6-8 879 0.72
International Cross Academy NR Private 1-12 0 0.73
Institute Of Knowledge NR Private K-8 127 0.73
Institute of Knowledge NR Private K-10 265 0.74

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Walnut Valley Adult NR Public 0 0.24
Ron Hockwalt Academies (Continuation) School NR Public 9-12 41 0.59
International Cross Academy NR Private 1-12 0 0.73
Institute of Knowledge NR Private K-10 265 0.74
Walnut High School 10 Public 9-12 2,158 1.39

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

Neighbors for 840 Adamsgrove Avenue, Walnut

Here are the neighbors for 840 Adamsgrove Avenue, Walnut.

Address Square feet Purchase date Purchase price
840 Cambon Ave, Walnut 2,129 05/13/2013
835 Darius Dr, Walnut 1,188 05/10/2011 $385,003
850 Cambon Ave, Walnut 1,753 02/16/2022
835 Cambon Ave, Walnut 1,188 11/03/2023
861 Darius Dr, Walnut 1,389 11/17/2014
835 Adamsgrove Ave, Walnut 1,387 09/16/1993 $180,000
851 Cambon Ave, Walnut 1,753 03/18/2009
839 Darius Dr, Walnut 2,203 09/26/2000
845 Darius Dr, Walnut 1,188 02/23/2024 $500,000
20823 Moonlake St, Walnut 1,389 11/26/2024
845 Cambon Ave, Walnut 1,753 11/09/1995
857 Darius Dr, Walnut 1,266 11/19/2015
834 Cambon Ave, Walnut 2,078 06/17/1998
841 Cambon Ave, Walnut 1,753 11/18/2024
834 Adamsgrove Ave, Walnut 1,688 05/04/2022
851 Darius Dr, Walnut 1,389 09/13/2018
20829 Moonlake St, Walnut 1,753 05/29/2015
841 Adamsgrove Ave, Walnut 1,746 09/27/2022
844 Cambon Ave, Walnut 1,757 05/31/2023 $760,000
865 Darius Dr, Walnut 2,133 10/18/2019

Nearby ZIP Codes for 840 Adamsgrove Avenue, Walnut

Not sure if we cover all the data-points you need? View sample full report View sample full report