Alameda County  »  94546  »  Dolores St  »  21643 Dolores St

21643 Dolores Street, Castro Valley, CA 94546 - Property report

Also known as: 21643 Dolores St

Property image for 21643 Dolores Street, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1948

Acreage

0.12

Sale price

$150,000

General Information

Address
Primary address
21643 Dolores St
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
415-120-8

Owner

Find out who owns 21643 Dolores Street, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/03/1997
Sale price
$150,000
Arm's length
Tax
Tax year
2025-2026
Base tax
$3,466
Current property tax
$3,384
Tax per sq. ft.
$3
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
1,340
Stories
1
Year built
1948
Building material
Wood/wood and steel frames
Last altered
1962
Rooms
6
Elevator
Bedrooms
3
Bathrooms
2
Lot
Acreage
0.12
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

Walk score
70 /100.  Very Walkable
Transit score
45 /100.  Some Transit
Bike score
79 /100.  Very Bikeable
School district
HAYWARD UNIF SCH
Ownership

Ownership information for 21643 Dolores Street, Castro Valley, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 21643 Dolores Street, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
07/03/1997 $150,000 XXXXXXXXXXX, XXX XX XXXXXXXXX XXXXX

*Most recent sale on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
11/01/2007 Deed XXXXXX, XXXXX X & XXX X XXXXXX X X & X X XXXXX
03/02/1999 Deed XXXXXX, XXXXX X XXXXXX, XXX X
07/03/1997 Deed XXXXXXXXX XXXXX XXXXXXXXXXX, XXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21643 Dolores Street, Castro Valley, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Base tax
$3,466
Current property tax
$3,384
Tax per sq. ft.
$3
Recent tax assessments
Market value
$295,657
Land value
$71,850
Building value
$223,807

More about Alameda County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $295,657 1.1724 $3,466 +0.98%
2024-2025 $289,861 1.1842 $3,433 -22.76%
2023-2024 $284,178 1.5638 $4,444 +34.18%
2022-2023 $278,606 1.1888 $3,312 +0.82%
2021-2022 $273,145 1.2028 $3,285 +1.16%
2020-2021 $270,344 1.2012 $3,247 -0.87%
2019-2020 $265,044 1.236 $3,276 +6.95%
2018-2019 $259,849 1.1788 $3,063 +2.50%
2017-2018 $254,755 1.173 $2,988 +6.33%
2016-2017 $249,760 1.1252 $2,810 +1.44%
Permits

Permit information for 21643 Dolores Street, Castro Valley, CA

No recently recorded permits for this property.

Neighborhood

Castro Valley residential market stats

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda.

Median sale price

$1,013,750

-2.9% Y-o-Y

Median price/sq. ft.

$619

-9.8% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Castro Valley and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 21643 Dolores Street, Castro Valley, CA 94546 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
The Montessori Giving Tree NR Private K-6 12 0.26
Vita Academy NR Private 1-6 0 0.42
Special Education-Preschool-Laurel NR Public 1 0.48
Strobridge Elementary School NR Public K-6 362 0.50
Castro Valley Elementary School 6 Public K-5 472 0.75
Crossroads Christian Elementary School NR Private K-6 0 0.80
Liber Community School NR Private 4-12 0 0.81
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.89
Our Lady Of Grace School NR Private K-8 218 0.91
Marshall Elementary School 9 Public K-5 491 1.02
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.48
Liber Community School NR Private 4-12 0 0.81
Stellar Preparatory High School NR Private 9 0 0.84
Faith Ringgold School of Arts and Science 1 Public K-8 111 0.89
Our Lady Of Grace School NR Private K-8 218 0.91
All Saints Catholic School NR Private K-8 203 1.08
Bret Harte Middle School 5 Public 7-8 545 1.28
Creekside Middle School 8 Public 6-8 760 1.28
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 1.35
Anchor Education, Inc. NR Private 3-12 18 1.36
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Special Education-Preschool-Laurel NR Public 1 0.48
Liber Community School NR Private 4-12 0 0.81
Stellar Preparatory High School NR Private 9 0 0.84
Stellar Preparatory High School NR Private 9-11 26 1.12
Castro Valley High School 9 Public 9-12 2,799 1.21
Hayward High School 5 Public 9-12 1,712 1.35
Anchor Education, Inc. NR Private 3-12 18 1.36
Anchor Education, Inc. School NR Private 3-12 0 1.36
Castro Valley Adult And Career Education NR Public 0 1.46
Alma Preschool NR Public 52 1.46

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 21643 Dolores Street, Castro Valley, CA

21724 Orange Ave, Castro Valley 21596 Orange Ave, Castro Valley 21592 Orange Ave, Castro Valley 21590 Orange Ave, Castro Valley 2175 Grove Way, Castro Valley 22183 Dolores St, Castro Valley 21588 Orange Ave, Castro Valley 21586 Orange Ave, Castro Valley 1942 Leila St, Castro Valley 1950 Leila St, Castro Valley 1934 Leila St, Castro Valley 2196 Grove Way, Castro Valley 2195 Grove Way, Castro Valley 2167 Grove Way, Castro Valley 21659 Dolores St, Castro Valley 21635 Dolores St, Castro Valley 21529 Dolores St, Castro Valley 21503 Dolores St, Castro Valley 21767 Dolores St, Castro Valley 2045 Grove Way, Castro Valley

Nearby ZIP codes for 21643 Dolores Street, Castro Valley, CA

94542, Alameda County, CA 94579, Alameda County, CA 94601, Alameda County, CA 94613, Alameda County, CA 94619, Alameda County, CA

Frequently asked questions

What is the year built for 21643 Dolores Street, Castro Valley, CA 94546?

The development at 21643 Dolores Street, Castro Valley, CA 94546 was built in 1948.

What is the total square footage of 21643 Dolores Street, Castro Valley, CA 94546?

21643 Dolores Street, Castro Valley, CA 94546 has a total of 1,340 square feet.

When was 21643 Dolores Street, Castro Valley, CA 94546 last sold and what was the sale price?

21643 Dolores Street, Castro Valley, CA 94546 was last sold on 07/03/1997 for $150,000.

What is the assessed value of 21643 Dolores Street, Castro Valley, CA 94546?

21643 Dolores Street, Castro Valley, CA 94546 is currently assessed at $295,657.

What are the property taxes for 21643 Dolores Street, Castro Valley, CA 94546?

The property taxes for 21643 Dolores Street, Castro Valley, CA 94546 total $3,466.

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