Alameda County » 94546 » Aspen Ave » 21106 Aspen Ave

21106 Aspen Avenue, Castro Valley, CA 94546 - Property report

Also known as: 21106 Aspen Ave

Property image for 21106 Aspen Avenue, Castro Valley, CA 94546

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1954

Acreage

0.11

Sale price

$575,000

General Information

Address

Primary address

21106 Aspen Ave
Castro Valley, CA 94546

Zip code

94546

County

Alameda

Parcel ID

84C-627-3

Sales

Sale date

03/03/2005

Sale price

$575,000

Arm's length

Tax

Tax year

2025-2026

Property tax

$4,927

Tax per sq. ft.

Building

Property type

Single Family Residential Homes Used as Such

Building sq. ft.

1,660

Stories

Year built

1954

Building material

Wood/wood and steel frames

Last altered

1955

Rooms

Elevator

Bedrooms

Bathrooms

1.5

Lot

Acreage

0.11

Zoning & use

Zoning

Cv Central Business District? Subarea 11, E (S11-E)

Units

Area overview

Walk score

80 /100. Very Walkable

Transit score

42 /100. Some Transit

Bike score

62 /100. Bikeable

School district

CASTRO VLY UNIF SCH

Ownership

Ownership information for 21106 Aspen Avenue, Castro Valley, CA

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 21106 Aspen Avenue, Castro Valley, CA 94546

Sale date	Sale price	Buyer name	Seller name
03/03/2005	$575,000	XXXXXXX, XXXXXXX X	XXXXXX, XXXXX
08/15/1997	$180,000	XXXXXX, XXXXX	XXXXXX, XXXXXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date	Type	Party 1	Party 2
02/13/2024	Quitclaim Deed to A Revocable Trust	XXXXXXXX XXXXX X	XXXXXXXX XXXXX XXXXXX XX
03/15/2016	Deed of Trust	XXXXXXXX XXXXX X	X X XXXX XXXXXXXX XXXXXXXXXXX
11/03/2015	Notice	XXXXXXXX XXX	XXXXXX XXXXX XXXXXXXXX XXX
11/18/2014	Deed of Trust	XXXXXXXX XXXXX X	XXXX
08/20/2007	Deed	XXXXXXX, XXXXXXX X	XXXXX, XXXXXXX X & XXXXXX X
03/03/2005	Deed	XXXXXX, XXXXX	XXXXXXX, XXXXXXX X
08/15/1997	Deed	XXXXXX, XXXXXXX X	XXXXXX, XXXXX
02/02/1994	Deed	XXXXXX, XXXXXX X	XXXXXX, XXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21106 Aspen Avenue, 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

Property tax

$4,927

Tax per sq. ft.

Recent tax assessments

Market value

$423,268

Land value

$126,980

Building value

$296,288

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	$423,268	1.164	$4,927	+0.69%
2024-2025	$414,971	1.1791	$4,893	-48.84%
2023-2024	$406,835	2.3508	$9,564	+101.36%
2022-2023	$398,858	1.1908	$4,750	+2.52%
2021-2022	$391,040	1.1848	$4,633	+2.29%
2020-2021	$387,034	1.1703	$4,529	-2.00%
2019-2020	$379,447	1.218	$4,622	+2.87%
2018-2019	$372,010	1.2077	$4,493	+2.65%
2017-2018	$364,717	1.2001	$4,377	+5.07%
2016-2017	$357,566	1.165	$4,166	+7.00%

Permits

Permit information for 21106 Aspen Avenue, Castro Valley, CA

Issued date	Permit number	Permit type	Sub type	Valuation	Finaled date	Status
02/13/2026
01/16/2025

*Most recent permits on record 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

0.2, AE, 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 21106 Aspen Avenue, 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)
Marshall Elementary School	9	Public	K-5	491	0.38
Special Education-Preschool-Laurel	NR	Public		1	0.42
Vita Academy	NR	Private	1-6	0	0.59
Early Bird Montessori School	NR	Private	PK, K-1	30	0.80
Early Bird Montessori School	NR	Private	PK, K-1	30	0.80
Castro Valley Elementary School	6	Public	K-5	472	0.81
Northstar School	NR	Private	PK-8	152	0.85
Northstar School	NR	Private	PK-8	152	0.85
Castro Valley Adult And Career Education	NR	Public		0	1.04
Independent Elementary School	8	Public	K-5	634	1.04

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Special Education-Preschool-Laurel	NR	Public		1	0.42
Creekside Middle School	8	Public	6-8	760	0.61
Northstar School	NR	Private	PK-8	152	0.85
Our Lady Of Grace School	NR	Private	K-8	218	0.96
Redwood Christian Schools	NR	Private	K-12	706	1.01
Castro Valley Adult And Career Education	NR	Public		0	1.04
Alma Preschool	NR	Public		52	1.06
Stellar Preparatory High School	NR	Private	9	0	1.13
Faith Ringgold School of Arts and Science	1	Public	K-8	111	1.20
Canyon Middle School	6	Public	6-8	1,332	1.25

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Special Education-Preschool-Laurel	NR	Public		1	0.42
Castro Valley High School	9	Public	9-12	2,799	0.98
Redwood Christian Schools	NR	Private	K-12	706	1.01
Castro Valley Adult And Career Education	NR	Public		0	1.04
Alma Preschool	NR	Public		52	1.06
Stellar Preparatory High School	NR	Private	9	0	1.13
Anchor Education, Inc.	NR	Private	3-12	18	1.43
Sterling West San Francisco Campus	NR	Private	3-11	27	1.44
Anchor Education, Inc. School	NR	Private	3-12	0	1.44
Hayward High School	5	Public	9-12	1,712	1.52

Nearby ZIP codes for 21106 Aspen Avenue, 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 21106 Aspen Avenue, Castro Valley, CA 94546?

The development at 21106 Aspen Avenue, Castro Valley, CA 94546 was built in 1954.

What is the total square footage of 21106 Aspen Avenue, Castro Valley, CA 94546?

21106 Aspen Avenue, Castro Valley, CA 94546 has a total of 1,660 square feet.

When was 21106 Aspen Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

21106 Aspen Avenue, Castro Valley, CA 94546 was last sold on 03/03/2005 for $575,000.

What is the assessed value of 21106 Aspen Avenue, Castro Valley, CA 94546?

21106 Aspen Avenue, Castro Valley, CA 94546 is currently assessed at $423,268.

What are the property taxes for 21106 Aspen Avenue, Castro Valley, CA 94546?

The property taxes for 21106 Aspen Avenue, Castro Valley, CA 94546 total $4,926.

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.