Alameda County  »  94546  »  Madison Ave  »  18540 Madison Ave

18540 Madison Avenue, Castro Valley, CA 94546 - Property report

Also known as: 18540 Madison Ave

Property image for 18540 Madison Avenue, Castro Valley, CA 94546
static Mapbox map

Property type

Single Family Residential Homes Used as Such (1100)

Year built

1936

Acreage

1.49

Sale price

$785,000

General Information

Address
Primary address
18540 Madison Ave
Castro Valley, CA 94546
Zip code
94546
County
Alameda
Parcel ID
84C-885-2-1

Owner

Find out who owns 18540 Madison Avenue, Castro Valley, CA 94546. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/21/2006
Sale price
$785,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$12,486
Tax per sq. ft.
$6
Building
Property type
Single Family Residential Homes Used as Such
Building sq. ft.
2,146
Stories
15
Year built
1936
Building material
Wood/wood and steel frames
Last altered
1978
Rooms
9
Elevator
Bedrooms
5
Bathrooms
30
Lot
Acreage
1.49
Zoning & use
Zoning
Single Family Residential (R1-CSU-RV)
Units
1

Area overview

Walk score
33 /100.  Car-Dependent
Transit score
27 /100.  Some Transit
Bike score
10 /100.  Somewhat Bikeable
School district
CASTRO VLY UNIF SCH

Ownership information for 18540 Madison Avenue, Castro Valley, CA

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

Sales history for 18540 Madison Avenue, Castro Valley, CA 94546

Sale date Sale price Buyer name Seller name
11/21/2006 $785,000 XXXXX, XXXXXX X XXXXXXX, XXXXXXX
03/01/2005 $415,000 XXXXXXX, XXXXXXX XXXXXXXX, XXXX X
11/09/2004 $405,000 XXXXXXX, XXXXXXX XXXXXXXX, XXXXXX

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
03/31/2023 Deed of trust XXXXXXXX XXXXX XXXXXX XX XXXXXXX XXXXXXXXX XXX
03/30/2023 Deed of trust XXXXXXXX XXXXX XXXXXX XX XXXXXXX XXXXXXXXX XXX
06/27/2022 Grant Deed to Revocable Trust XXXXXXXX XXXXX XXXXXX XXXXXXXX XXXXX XXXXXX XX
08/12/2019 Assignment of Rents
Deed of Trust
XXXXXXXX XX XXXXXX XXXXXXXXXX XXXXX X XX
03/06/2014 Substitution of Trustee XXXXX XXXXXX X XXXX
11/21/2006 Deed XXXXXXX, XXXXXXX XXXXX, XXXXXX X
03/01/2005 Deed XXXXXXXX, XXXX X XXXXXXX, XXXXXXX
11/09/2004 Deed XXXXXXXX, XXXXXX XXXXXXX, XXXXXXX
08/30/1999 Deed XXXXXXXX, XXXXXX XXXXXXXX, XXXXXX
04/03/1989 Deed XXXXX, X XXXXXXXX, XXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 18540 Madison 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
2026-2027
Property tax
$12,486
Tax per sq. ft.
$6
Recent tax assessments
Market value
$1,072,678
Land value
$321,803
Building value
$750,875

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 $1,051,648 1.164 $12,241 +0.69%
2024-2025 $1,031,034 1.1791 $12,157 -48.84%
2023-2024 $1,010,820 2.3508 $23,762 +101.36%
2022-2023 $991,007 1.1908 $11,801 +2.52%
2021-2022 $971,578 1.1848 $11,511 +2.29%
2020-2021 $961,617 1.1703 $11,254 -1.51%
2019-2020 $942,768 1.212 $11,426 +2.36%
2018-2019 $924,290 1.2077 $11,163 +4.75%
2017-2018 $888,000 1.2001 $10,657 +19.59%
2016-2017 $863,000 1.0326 $8,911 +2.96%

Permit information for 18540 Madison Avenue, Castro Valley, CA

No recently recorded permits for this property.

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

Access the detailed traffic volume map for 18540 Madison 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)
Vannoy Elementary School 7 Public K-5 441 0.35
Castro Valley Adult And Career Education NR Public 0 0.51
Alma Preschool NR Public 52 0.53
Early Bird Montessori School NR Private PK, K-1 30 0.55
Early Bird Montessori School NR Private PK, K-1 30 0.55
Redwood Christian Schools NR Private K-12 706 0.64
Proctor Elementary School 8 Public K-5 584 0.65
Redwood Christian Elementary School NR Private K-5 282 0.69
Marshall Elementary School 9 Public K-5 491 0.94
The Montessori Giving Tree NR Private K-6 7 0.96
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.51
Alma Preschool NR Public 52 0.53
Redwood Christian Schools NR Private K-12 706 0.64
Canyon Middle School 6 Public 6-8 1,332 0.75
Creekside Middle School 8 Public 6-8 760 0.84
Liberty School NR Private 1-12 0 1.04
Our Lady Of Grace School NR Private K-8 218 1.34
Anchor Education, Inc. NR Private 3-12 18 1.49
Sterling West San Francisco Campus NR Private 3-11 27 1.50
Castro Valley Virtual Academy 7 Public K-12 67 1.57
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Castro Valley Adult And Career Education NR Public 0 0.51
Alma Preschool NR Public 52 0.53
Redwood Christian Schools NR Private K-12 706 0.64
Castro Valley High School 9 Public 9-12 2,799 0.91
Liberty School NR Private 1-12 0 1.04
Anchor Education, Inc. NR Private 3-12 18 1.49
Sterling West San Francisco Campus NR Private 3-11 27 1.50
Anchor Education, Inc. School NR Private 3-12 0 1.51
Castro Valley Virtual Academy 7 Public K-12 67 1.57
Roy A. Johnson High School NR Public 9-12 24 1.57

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

Frequently asked questions

What is the year built for 18540 Madison Avenue, Castro Valley, CA 94546?

The development at 18540 Madison Avenue, Castro Valley, CA 94546 was built in 1936.

What is the total square footage of 18540 Madison Avenue, Castro Valley, CA 94546?

18540 Madison Avenue, Castro Valley, CA 94546 has a total of 2,146 square feet.

When was 18540 Madison Avenue, Castro Valley, CA 94546 last sold and what was the sale price?

18540 Madison Avenue, Castro Valley, CA 94546 was last sold on 11/21/2006 for $785,000.

What is the assessed value of 18540 Madison Avenue, Castro Valley, CA 94546?

18540 Madison Avenue, Castro Valley, CA 94546 is currently assessed at $1,072,678.

What are the property taxes for 18540 Madison Avenue, Castro Valley, CA 94546?

The property taxes for 18540 Madison Avenue, Castro Valley, CA 94546 total $12,485.

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