Alameda County  »  94546  »  Patio Dr  »  20638 Patio Dr

20638 Patio Drive, Castro Valley, CA 94546 - Property report

Also known as: 20638 Patio Dr

Property image for 20638 Patio Drive, Castro Valley, CA 94546
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Property type

One to Five Story Office Building (9400)

Acreage

0.2

Sale price

$530,000

General Information

Address
Primary address
20638 Patio Dr
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84A-80-21-1

Owner

Find out who owns 20638 Patio Drive, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
04/02/2018
Sale price
$530,000
Arm's length
Tax
Tax year
2025-2026
Property tax
$7,019
Building
Property type
One to Five Story Office Building
Building sq. ft.
2,305
Stories
1
Building material
Wood/wood and steel frames
Last altered
1973
Elevator
Lot
Acreage
0.2
Lot sq. ft.
8,712
Zoning & use
Zoning
Qualified opportunity zone
Units
1

Area overview

Walk score
88 /100.  Very Walkable
Transit score
42 /100.  Some Transit
Bike score
69 /100.  Bikeable
School district
CASTRO VLY UNIF SCH
Ownership

Ownership information for 20638 Patio Drive, Castro Valley, CA

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

Sales history for 20638 Patio Drive, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
04/02/2018 $530,000 XXXXXX XXXXXXX XXX XXXXXXX XXXXX XXXXXX XX; XXXXXXX XXXXX
03/01/2017 $530,000 XXXXXXX XXXXX XXXXXX XX; XXXXXXX XXXXX XXXX XXXXXXXXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
01/13/2021 Individual Grant Deed XXXXXX XXXXXXX XXX X X XXXXX XX
04/02/2018 Grant Deed XXXXXXX XXXXX XXXXXX XX XXXXXX XXXXXXX XXX
03/01/2017 Grant Deed XXXX XXXXXXXXXXX XXXXXXX XXXXX XXXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20638 Patio Drive, 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
$7,019
Recent tax assessments
Market value
$603,038
Land value
$449,434
Building value
$153,604

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 $603,038 1.164 $7,019 +0.69%
2024-2025 $591,214 1.1791 $6,971 -48.84%
2023-2024 $579,623 2.3508 $13,626 +101.36%
2022-2023 $568,260 1.1908 $6,767 +2.51%
2021-2022 $557,119 1.1848 $6,601 +2.29%
2020-2021 $551,412 1.1703 $6,453 -1.51%
2019-2020 $540,600 1.212 $6,552 +0.36%
2018-2019 $540,600 1.2077 $6,529 +192.51%
2017-2018 $185,982 1.2001 $2,232 +18.55%
2016-2017 $182,336 1.0326 $1,883 -5.16%
Permits

Permit information for 20638 Patio Drive, Castro Valley, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
07/16/2026
07/15/2026

*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.

Demographics by ZIP code

Total population
44,855
Median age
41.7
Average household income
$161,274
Family households
74.3%
People per household (average)
2.84
Occupied housing units
15,565
Owner-occupied units
66.3%
Median year structure built
1960
Median value mortgaged units
$1,065,100
Median value unmortgaged units
$995,000

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 20638 Patio Drive, 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.

Neighbors for 20638 Patio Drive, Castro Valley, CA

20253 Redwood Rd, Castro Valley 21026 Francis St, Castro Valley 20293 Woodbine Ave, Castro Valley 20343 Woodbine Ave, Castro Valley 20457 Redwood Rd, Castro Valley 20862 Ashfield Ave, Castro Valley 20050 Lorena Pl, Castro Valley 20235 Redwood Rd, Castro Valley 3633 Jamison Way, Castro Valley 3603 Jamison Way, Castro Valley 3134 Norbridge Ave, Castro Valley 3645 Lorena Ave, Castro Valley 20980 Francis St, Castro Valley 20870 Ashfield Ave, Castro Valley 20080 Lorena Pl, Castro Valley 3360 Castro Valley Blvd, Castro Valley 20236 Santa Maria Ave, Castro Valley 20269 Woodbine Ave, Castro Valley 20315 Woodbine Ave, Castro Valley 20071 Lorena Pl, Castro Valley

Nearby ZIP codes for 20638 Patio Drive, 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 market value of 20638 Patio Drive, Castro Valley, CA 94546?

The current market value of 20638 Patio Drive, Castro Valley, CA 94546 is $603,038.

What is the total square footage of 20638 Patio Drive, Castro Valley, CA 94546?

20638 Patio Drive, Castro Valley, CA 94546 has a total of 2,305 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 1.

Disclaimer

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