Alameda County  »  21 Portsmouth Rd

21 Portsmouth Road, Oakland, CA 94610 Property Information

21 Portsmouth Road, Oakland, CA 94610 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

21 Portsmouth Road, Oakland, CA 94610
static Mapbox map

Address

Primary address 21 Portsmouth Road, Oakland
Zip code 94610
County Alameda
Parcel ID 50-861-58

Sales & Tax Overview for 21 Portsmouth Road, Oakland

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

Sale date 04/13/2026
Sale price $1,650,000
Arm's length
Current property tax $1,572

Lot & Building Information for 21 Portsmouth Road, Oakland

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
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
61 /100. Somewhat Walkable
Transit Score
0 /100. Minimal Transit
Bike Score
39 /100. Somewhat Bikeable

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.

Other Property Data for 21 Portsmouth Road, Oakland

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

  • • Improvements for 21 Portsmouth Road, Oakland , 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 21 Portsmouth Road, Oakland

What is the year built & the total sq. ft. for 21 Portsmouth Road, Oakland, CA 94610?

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.

When was 21 Portsmouth Road, Oakland, CA 94610 last sold and what was the last sale price?

21 Portsmouth Road, Oakland, CA 94610 was last sold in 04/13/2026 for $1,650,000.

Ownership Information

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

Real Estate Reports:
Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District 
New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.
Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs
Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
How to Find Property Owners — The Complete Guide 
Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
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 21 Portsmouth Road, Oakland

Create a free account to view the complete sales history for 21 Portsmouth Road, Oakland, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/13/2026 $1,650,000

More about Alameda County Property Records

Title Documents for 21 Portsmouth Road, Oakland

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
04/13/2026 Deed of trust 05/01/2056
04/13/2026 Grant Deed
04/13/2026 Affidavit of death
12/01/2025 Affidavit of death
07/14/2016 Deed of Trust 07/01/2051
Show More
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21 Portsmouth Road, Oakland

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

More about Alameda County Property Taxes

Assessment History for 21 Portsmouth Road, Oakland

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%
Show More

Permits for 21 Portsmouth Road, Oakland

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.

Data not available for this property.

Oakland residential market stats

Median Sale Price
$700,000
0% YoY
Median Price/Sqft
$527
-3.3% YoY
Alameda County Median Sale Price
$955,000
-6.4% YoY

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.

Risk

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
Landslides and liquefaction map

Transportation

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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
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
Show More

Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
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
Show More

Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
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
Show More

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

Neighbors for 21 Portsmouth Road, Oakland

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 04/14/2026 $2,625,500
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 03/26/2026 $3,250,000
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
Show More

Nearby ZIP Codes for 21 Portsmouth Road, Oakland

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