| Primary address | 645 Blackthorne Avenue, El Cajon |
| Zip code | 92020 |
| County | San Diego |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 12/07/1999 |
| Sale price | $235,000 |
| Arm's length | Register |
| Current property tax | $4,183 |
| Building sqft | 1,656 |
| Building class | Single Family Residence (11) |
| Acreage | 0.3 |
| Units | 1 |
| Year built | 1952 |
| Bedrooms | 3 |
| Bathrooms | 2 |
| Zoning district | Single-Family Residential (RS) |
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:
645 Blackthorne Avenue, El Cajon, CA 92020 was built in 1952 and has a total of 1,656 square feet.
What is the assessed value of 645 Blackthorne Avenue, El Cajon, CA 92020 and the property tax paid?Assessed at $361,163, the tax amount paid for 645 Blackthorne Avenue, El Cajon, CA 92020 is $4,265.
When was 645 Blackthorne Avenue, El Cajon, CA 92020 last sold and what was the last sale price?645 Blackthorne Avenue, El Cajon, CA 92020 was last sold in 12/07/1999 for $235,000.
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 645 Blackthorne Avenue, El Cajon, 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 645 Blackthorne Avenue, El Cajon, CA 92020. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $4,265 |
| Current property tax | $4,183 |
| Market value | $361,163 |
Here's the assessment & property tax history for 645 Blackthorne Avenue, El Cajon, 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 | $361,163 | 1.181 | $4,265 | +2.64% |
| 2024-2025 | $354,082 | 1.1736 | $4,156 | +2.93% |
| 2023-2024 | $347,141 | 1.163 | $4,037 | +1.16% |
| 2022-2023 | $340,336 | 1.1726 | $3,991 | +1.24% |
| 2021-2022 | $333,664 | 1.18151 | $3,942 | +2.64% |
The complete history of permits filed for 645 Blackthorne Avenue, El Cajon, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of El Cajon so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in El Cajon and compare it to other neighborhoods in San Diego County.
Check out recently sold homes in El-Cajon and see how their prices compare.
Create a free account to unlock extended information for 645 Blackthorne Avenue, El Cajon, 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 645 Blackthorne Avenue, El Cajon 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) |
|---|---|---|---|---|---|
| San Diego Bible Heritage School | NR | Private | 1-12 | 0 | 0.59 |
| Northmont Elementary School | 4 | Public | K-6 | 431 | 0.60 |
| Eje Elementary Academy Charter | 3 | Charter | K-5 | 564 | 0.80 |
| Mt. Helix Academy | NR | Private | K-8 | 169 | 0.83 |
| Mt. Helix Academy | NR | Private | K-8 | 168 | 0.83 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| San Diego Bible Heritage School | NR | Private | 1-12 | 0 | 0.59 |
| Eje Middle Academy | 4 | Charter | 6-8 | 254 | 0.80 |
| Mt. Helix Academy | NR | Private | K-8 | 169 | 0.83 |
| Mt. Helix Academy | NR | Private | K-8 | 168 | 0.83 |
| Berean Christian Academy | NR | Private | K-12 | 16 | 0.88 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Grossmont High School | 7 | Public | 9-12 | 2,175 | 0.50 |
| San Diego Bible Heritage School | NR | Private | 1-12 | 0 | 0.59 |
| Berean Christian Academy | NR | Private | K-12 | 16 | 0.88 |
| Foothills Christian High School | NR | Private | 9-12 | 248 | 0.96 |
| Del Rey Schools | NR | Private | K-12 | 21 | 1.31 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 645 Blackthorne Avenue, El Cajon.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 666 Claydelle Ave, El Cajon | 1,438 | 12/16/1999 | $143,500 |
| 522 E Chase Ave, El Cajon | 6,496 | 09/06/2022 | $2,060,000 |
| 11713 Monte View CT, El Cajon | 1,713 | 02/21/2025 | $1,010,000 |
| 1509 Luke Ln, El Cajon | 1,850 | 08/27/2013 | $435,000 |
| 1488 Lily Ave, El Cajon | 1,294 | 12/29/1999 | $198,000 |
| 8648 Vista Del Verde, El Cajon | 1,518 | 01/05/2018 | $513,000 |
| 9425 Quail Canyon Rd, El Cajon | 3,006 | 03/05/2004 | |
| 1155 Evilo St, El Cajon | 959 | 04/26/2000 | |
| 1172 Merritt Dr, El Cajon | 872 | 07/11/2003 | $155,000 |
| 2202 Via Verde, El Cajon | 1,966 | 11/18/2025 | |
| 12158 Via Serrano, El Cajon | 1,894 | 12/08/1999 | $267,500 |
| 13836 Los Coches Rd E, El Cajon | 1,274 | 04/06/2022 | $792,500 |
| 1219 Camillo Way, El Cajon | 1,300 | 02/26/2024 | $740,000 |
| 1639 Sunburst Dr, El Cajon | 1,970 | 03/25/2008 | |
| 1630 Wally Way, El Cajon | 1,728 | 10/03/2003 | $354,000 |
| 1548 Peerless Dr, El Cajon | 2,184 | 07/16/2025 | $946,000 |
| 13720 Ridge Hill Rd, El Cajon | 907 | 09/30/2021 | $538,000 |
| 1921 Estela Dr, El Cajon | 1,929 | 06/02/2009 | $489,500 |
| 1601 Cliffdale Rd, El Cajon | 1,948 | 08/12/2024 | $860,000 |
| 1776 Pepper Villa Dr, El Cajon | 1,404 | 12/29/1999 | $153,500 |