| Primary address | 1821 Harding Avenue, Altadena |
| Alternate address(es) | 1821 N Harding Ave |
| Zip code | 91001 |
| County | Los Angeles |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 04/19/2021 |
| Sale price | $1,150,000 |
| Arm's length | Register |
| Current property tax | $14,704 |
| Building sqft | 1,718 |
| Building class | Single Family Residence (0100) |
| Acreage | 0.172
|
| Units | 1 |
| Year built | 1945 |
| Year last altered | Register |
| Bedrooms | 3 |
| Bathrooms | 2 |
| Heating/AC | Central heating |
| Zoning district | Single-Family Residence (R-1-7500) |
| Weed hazard | No |
| School district | Pasadena Unified School District |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
1821 Harding Avenue, Altadena, CA 91001 was built in 1945 and has a total of 1,718 square feet.
What is the assessed value of 1821 Harding Avenue, Altadena, CA 91001 and the property tax paid?Assessed at $1,269,690, the tax amount paid for 1821 Harding Avenue, Altadena, CA 91001 is $13,870.
When was 1821 Harding Avenue, Altadena, CA 91001 last sold and what was the last sale price?1821 Harding Avenue, Altadena, CA 91001 was last sold in 04/19/2021 for $1,150,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 1821 Harding Avenue, Altadena, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 1821 Harding Avenue, Altadena, CA 91001. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $13,870 |
| Current property tax | $14,704 |
| Market value | $1,269,690 |
| Tax per sqft | $8 |
Abatements, financial assistance programs and non-ad valorem taxes levied as special taxes/direct assessments are applicable for this property.
| Code | Description | Tax levied |
|---|---|---|
| 05713 | Altadena Library District Cfd No. 2020-1 | Register |
| 06217 | County Sanitation District #17 | Register |
| 03694 | La County Regional Park And Open Space District | Register |
| 00744 | Los Angeles County Fire Department | Register |
| 03071 | Los Angeles County Flood Control | Register |
Here's the assessment & property tax history for 1821 Harding Avenue, Altadena, 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 | $1,269,690 | 1.0924 | $13,870 | +1.76% |
| 2024-2025 | $1,244,795 | 1.095 | $13,631 | +0.83% |
| 2023-2024 | $1,220,388 | 1.1077 | $13,518 | +3.68% |
| 2022-2023 | $1,196,460 | 1.0897 | $13,038 | +40.24% |
| 2021-2022 | $872,043 | 1.0661 | $9,297 | +4.38% |
The complete history of permits filed for 1821 Harding Avenue, Altadena, 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.
Create a free account to unlock extended information for 1821 Harding Avenue, Altadena, 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 | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 1821 Harding Avenue, Altadena 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 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Weizmann Day School | NR | Private | K-8 | 26 | 0.50 |
| Stratford School- Altadena Allen | NR | Private | PK-3 | 128 | 0.58 |
| Stratford School- Altadena Allen | NR | Private | PK-3 | 128 | 0.58 |
| High Point Academy | NR | Private | K-8 | 351 | 0.59 |
| Daniel Webster | 6 | Public | K-5 | 303 | 0.61 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Weizmann Day School | NR | Private | K-8 | 26 | 0.50 |
| High Point Academy | NR | Private | K-8 | 351 | 0.59 |
| The Peace & Justice Academy | NR | Private | 6-12 | 22 | 0.68 |
| Shiloh Academy | NR | Private | 1-12 | 41 | 0.82 |
| Judson International School | NR | Private | K-12 | 123 | 0.91 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| The Peace & Justice Academy | NR | Private | 6-12 | 22 | 0.68 |
| Shiloh Academy | NR | Private | 1-12 | 41 | 0.82 |
| Judson International School | NR | Private | K-12 | 123 | 0.91 |
| Sovereign Grace Academy | NR | Private | 1-12 | 22 | 1.01 |
| Frostig School | NR | Private | 2-12 | 122 | 1.02 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 1821 Harding Avenue, Altadena.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 1811 Harding Ave, Altadena | 1,794 | 01/19/1996 | $190,000 |
| 1837 Harding Ave, Altadena | 1,394 | 05/23/2022 | |
| 1854 N Grand Oaks Ave, Altadena | 1,260 | 03/05/2026 | |
| 1765 Harding Ave, Altadena | 1,350 | 04/29/2008 | |
| 1779 Harding Ave, Altadena | 1,746 | 12/04/2025 | $1,500,000 |
| 1771 Harding Ave, Altadena | 1,060 | 02/09/2004 | |
| 1755 Harding Ave, Altadena | 1,555 | 03/10/2014 | |
| 1843 Harding Ave, Altadena | 1,460 | 01/23/2012 | $116,000 |
| 1795 Harding Ave, Altadena | 1,766 | 10/15/2025 | |
| 1862 Grand Oaks Ave, Altadena | 2,077 | 11/10/2011 | |
| 1838 Grand Oaks Ave, Altadena | 1,674 | 05/11/2017 | |
| 1805 Harding Ave, Altadena | 2,256 | 12/24/2009 | |
| 1829 Harding Ave, Altadena | 1,690 | 05/06/2021 | |
| 1846 Grand Oaks Ave, Altadena | 1,868 | 10/28/2022 | |
| 1822 Grand Oaks Ave, Altadena | 1,480 | 12/11/2007 | $675,000 |
| 1789 Harding Ave, Altadena | 1,436 | 08/29/2013 | $670,000 |
| 1741 Harding Ave, Altadena | 1,354 | 09/19/2005 | |
| 2458 Berendo St, Altadena | 2,233 | 05/26/2021 | |
| 1830 Grand Oaks Ave, Altadena | 1,111 | 06/12/2006 | |
| 1747 Harding Ave, Altadena | 1,309 | 03/24/2008 |