| Primary address | 637 Hartwell Court, Altadena |
| 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 | 12/23/2009 |
| Sale price | $847,008 |
| Arm's length | Register |
| Current property tax | $13,496 |
| Building sqft | 2,507 |
| Building class | Single Family Residence - Planned Unit Development (010D) |
| Acreage | 0.192 |
| Units | 1 |
| Year built | 1998 |
| Year last altered | Register |
| Bedrooms | 4 |
| Bathrooms | 3 |
| Heating/AC | Central refrigeration & heating |
| Zoning district | Specific Plan (SP) |
| Weed hazard | Yes |
| 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:
637 Hartwell Court, Altadena, CA 91001 was built in 1998 and has a total of 2,507 square feet.
What is the assessed value of 637 Hartwell Court, Altadena, CA 91001 and the property tax paid?Assessed at $984,694, the tax amount paid for 637 Hartwell Court, Altadena, CA 91001 is $10,756.
When was 637 Hartwell Court, Altadena, CA 91001 last sold?637 Hartwell Court, Altadena, CA 91001 was last sold in 09/19/2013.
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 637 Hartwell Court, Altadena, including title documents, transfer conditions, mortgages and liens.
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 637 Hartwell Court, Altadena, CA 91001. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $10,757 |
| Current property tax | $13,496 |
| Market value | $984,694 |
| Tax per sqft | $4 |
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 |
| 07532 | Community Facility District #7 - La Vina | Register |
| 03694 | La County Regional Park And Open Space District | Register |
| 00744 | Los Angeles County Fire Department | Register |
| 00746 | Los Angeles County Fire Department Brush Initial Inspection | Register |
Here's the assessment & property tax history for 637 Hartwell Court, 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 | $984,694 | 1.0924 | $10,757 | -10.15% |
| 2024-2025 | $1,093,312 | 1.095 | $11,972 | +0.83% |
| 2023-2024 | $1,071,876 | 1.1077 | $11,873 | +3.68% |
| 2022-2023 | $1,050,860 | 1.0897 | $11,451 | +4.25% |
| 2021-2022 | $1,030,256 | 1.0661 | $10,984 | +4.38% |
The complete history of permits filed for 637 Hartwell Court, 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 637 Hartwell Court, 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) | D, 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 637 Hartwell Court, 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) |
|---|---|---|---|---|---|
| Odyssey Charter School | 8 | Charter | K-8 | 461 | 0.63 |
| Bourne Inc. Home School | NR | Private | 1-6 | 6 | 0.69 |
| Grace Christian Academy | NR | Private | 1-8 | 0 | 0.71 |
| Odyssey Charter School - South | 7 | Charter | K-8 | 342 | 0.82 |
| Alma Fuerte Public | 3 | Charter | K-8 | 145 | 0.82 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Odyssey Charter School | 8 | Charter | K-8 | 461 | 0.63 |
| Aveson Global Leadership Academy | 3 | Charter | 6-12 | 222 | 0.65 |
| Grace Christian Academy | NR | Private | 1-8 | 0 | 0.71 |
| Odyssey Charter School - South | 7 | Charter | K-8 | 342 | 0.82 |
| Alma Fuerte Public | 3 | Charter | K-8 | 145 | 0.82 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Aveson Global Leadership Academy | 3 | Charter | 6-12 | 222 | 0.65 |
| Renaissance Academy | NR | Private | 1-12 | 40 | 0.83 |
| Hathaway-Sycamores, Nps Elementary Nido | NR | Private | K-12 | 26 | 0.97 |
| James Hawkins Educational Program | NR | Private | 5-12 | 0 | 1.22 |
| Pasadena Waldorf School | NR | Private | PK-12 | 281 | 1.23 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 637 Hartwell Court, Altadena.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 638 Hartwell CT, Altadena | 2,507 | 07/03/2012 | |
| 621 Hartwell CT, Altadena | 2,507 | 10/27/2016 | |
| 632 Hartwell CT, Altadena | 3,348 | 10/10/2019 | $1,350,000 |
| 607 Chaparral CT, Altadena | 2,507 | 11/26/2014 | |
| 615 Hartwell CT, Altadena | 3,348 | 04/29/2015 | |
| 606 Hartwell CT, Altadena | 2,507 | 07/24/2025 | $1,700,000 |
| 603 Chaparral CT, Altadena | 2,132 | 04/15/2022 | |
| 633 Hartwell CT, Altadena | 3,348 | 05/03/2024 | $1,867,000 |
| 644 Hartwell CT, Altadena | 3,329 | 09/03/1999 | $545,005 |
| 628 Hartwell CT, Altadena | 2,507 | 10/11/2024 | $1,888,000 |
| 615 Chaparral CT, Altadena | 3,348 | 07/16/2014 | |
| 609 Hartwell CT, Altadena | 2,507 | 03/10/2022 | $1,738,000 |
| 602 Brown CT, Altadena | 2,132 | 11/04/2014 | |
| 610 Brown CT, Altadena | 2,507 | 09/18/2025 | |
| 620 Hartwell CT, Altadena | 3,329 | 05/11/2017 | |
| 614 Hartwell CT, Altadena | 2,507 | 12/11/2020 | |
| 626 Brown CT, Altadena | 2,507 | 06/30/2022 | $1,839,000 |
| 629 Hartwell CT, Altadena | 2,132 | 12/29/2008 | |
| 603 Hartwell CT, Altadena | 3,348 | 06/10/2004 | $910,009 |
| 618 Brown CT, Altadena | 3,329 | 03/19/2021 |