| Primary address | 21 Portsmouth Road, Oakland |
| Zip code | 94610 |
| County | Alameda |
| Parcel ID | 50-861-58 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $1,572 |
| Building sqft | 1,387 |
| Building class | Single Family Residential Homes Used as Such (1100) |
| Acreage | 0.08 |
| Units | 1 |
| Year built | 1918 |
| Stories | 1 |
| Bedrooms | 3 |
| Bathrooms | 1 |
| Zoning district | Low Density Residential (R) |
| School district | Piedmont Unified SCH |
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).
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21 Portsmouth Road, Oakland, CA 94610 was built in 1918 and has a total of 1,387 square feet.
What is the assessed value of 21 Portsmouth Road, Oakland, CA 94610 and the property tax paid?Assessed at $140,214, the tax amount paid for 21 Portsmouth Road, Oakland, CA 94610 is $1,654.
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 21 Portsmouth Road, Oakland, 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 21 Portsmouth Road, Oakland, CA 94610. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $1,654 |
| Current property tax | $1,572 |
| Market value | $140,214 |
Here's the assessment & property tax history for 21 Portsmouth Road, Oakland, 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 | $140,214 | 1.1798 | $1,654 | +0.93% |
| 2024-2025 | $137,465 | 1.1923 | $1,639 | +1.40% |
| 2023-2024 | $134,770 | 1.1994 | $1,616 | +2.97% |
| 2022-2023 | $132,127 | 1.1881 | $1,570 | +5.43% |
| 2021-2022 | $129,537 | 1.1494 | $1,489 | -0.06% |
The complete history of permits filed for 21 Portsmouth Road, Oakland, 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 Oakland so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Oakland and compare it to other neighborhoods in Alameda County.
Check out recently sold homes in Oakland and see how their prices compare.
Create a free account to unlock extended information for 21 Portsmouth Road, Oakland, 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 21 Portsmouth Road, Oakland 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) |
|---|---|---|---|---|---|
| Wildwood Elementary School | 8 | Public | K-5 | 264 | 0.16 |
| Piedmont Preschool | NR | Public | 0 | 0.38 | |
| Piedmont Adult Education | NR | Public | 0 | 0.44 | |
| Havens Elementary School | 8 | Public | K-5 | 439 | 0.57 |
| Crocker Highlands Elementary School | 8 | Public | K-5 | 422 | 0.62 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Piedmont Middle School | 9 | Public | 6-8 | 512 | 0.34 |
| Piedmont Preschool | NR | Public | 0 | 0.38 | |
| Piedmont Adult Education | NR | Public | 0 | 0.44 | |
| Edna Brewer Middle School | 7 | Public | 6-8 | 781 | 1.04 |
| West Wind Academy | NR | Private | 4-12 | 20 | 1.13 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Piedmont Preschool | NR | Public | 0 | 0.38 | |
| Millennium High Alternative School | 8 | Public | 9-12 | 61 | 0.38 |
| Piedmont Adult Education | NR | Public | 0 | 0.44 | |
| Piedmont High School | 10 | Public | 9-12 | 763 | 0.44 |
| Williams Academy | NR | Private | 9-12 | 0 | 0.68 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 21 Portsmouth Road, Oakland.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 7 Olive Ave, Oakland | 2,386 | 02/13/2003 | |
| 29 Portsmouth Rd, Oakland | 1,551 | 06/19/2019 | $1,640,000 |
| 1046 Harvard Rd, Oakland | 1,512 | 01/20/2010 | $574,600 |
| 1 Olive Ave, Oakland | 1,938 | 02/01/2019 | |
| 27 Olive Ave, Oakland | 1,697 | 07/08/2014 | |
| 1062 Harvard Rd, Oakland | 2,076 | 03/07/2006 | |
| 254 Wildwood Ave, Oakland | 1,988 | 01/21/2026 | |
| 252 Wildwood Ave, Oakland | 1,468 | 10/24/2001 | $714,000 |
| 1096 Annerley Rd, Oakland | 1,230 | 04/17/2006 | |
| 25 Portsmouth Rd, Oakland | 2,798 | 07/02/2013 | $1,800,000 |
| 1040 Harvard Rd, Oakland | 2,252 | 04/25/2002 | |
| 17 Portsmouth Rd, Oakland | 1,936 | 01/22/2010 | $995,000 |
| 15 Olive Ave, Oakland | 4,401 | 11/26/2013 | |
| 256 Wildwood Ave, Oakland | 2,765 | 01/13/2015 | |
| 15 Portsmouth Rd, Oakland | 3,228 | 12/29/2004 | |
| 219 Linda Ave, Oakland | 2,276 | 01/21/2015 | |
| 1080 Harvard Rd, Oakland | 2,720 | 01/30/2019 | |
| 1190 Harvard Rd, Oakland | 1,165 | 06/08/2015 | |
| 1058 Harvard Rd, Oakland | 1,640 | 07/01/2021 | |
| 774 Kingston Ave, Oakland | 3,451 | 07/15/2015 |