Alameda County  »  4274 Shamrock Way

4274 Shamrock Way, Castro Valley, CA 94546 Property Information

4274 Shamrock Way, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4274 Shamrock Way, Castro Valley, CA 94546
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Address

Primary address 4274 Shamrock Way, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-685-18

Sales & Tax Overview for 4274 Shamrock Way, Castro Valley

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

Sale date 04/29/2013
Sale price $500,000
Arm's length
Property tax $7,167

Lot & Building Information for 4274 Shamrock Way, Castro Valley

Building sqft 1,068
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.12
Units 1
Year built 1959
Stories 1
Bedrooms 3
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (R1-CSU-RV)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 4274 Shamrock Way, Castro Valley

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  • • Improvements for 4274 Shamrock Way, Castro Valley , including their type, square footage, grade and when they were built.
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About 4274 Shamrock Way, Castro Valley

What is the year built & the total sq. ft. for 4274 Shamrock Way, Castro Valley, CA 94546?

4274 Shamrock Way, Castro Valley, CA 94546 was built in 1959 and has a total of 1,068 square feet.

What is the assessed value of 4274 Shamrock Way, Castro Valley, CA 94546 and the property tax paid?

Assessed at $615,690, the tax amount paid for 4274 Shamrock Way, Castro Valley, CA 94546 is $7,166.

When was 4274 Shamrock Way, Castro Valley, CA 94546 last sold and what was the last sale price?

4274 Shamrock Way, Castro Valley, CA 94546 was last sold in 04/29/2013 for $500,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 4274 Shamrock Way, Castro Valley

Create a free account to view the complete sales history for 4274 Shamrock Way, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/29/2013 $500,000
03/12/2003 $420,000
11/25/1998 $224,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 4274 Shamrock Way, Castro Valley

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
01/22/2021 Deed of trust 01/01/2041
07/26/2017 Deed of Trust 08/01/2047
04/29/2013 Deed of Trust 05/01/2043
04/29/2013 Grant Deed
03/12/2003 Deed
11/25/1998 Deed
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R: Recorded date
D: Document date

Property Taxes for 4274 Shamrock Way, Castro Valley

Access detailed property tax data for 4274 Shamrock Way, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $7,167
Market value $615,690

Assessment History for 4274 Shamrock Way, Castro Valley

Here's the assessment & property tax history for 4274 Shamrock Way, Castro Valley, 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 $615,690 1.164 $7,167 +0.69%
2024-2025 $603,620 1.1791 $7,117 -48.84%
2023-2024 $591,784 2.3508 $13,912 +101.36%
2022-2023 $580,184 1.1908 $6,909 +2.52%
2021-2022 $568,810 1.1848 $6,739 +2.28%

Permits for 4274 Shamrock Way, Castro Valley

The complete history of permits filed for 4274 Shamrock Way, Castro Valley, 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.

Castro Valley residential market stats

Median Sale Price
$1,042,500
-3.4% YoY
Median Price/Sqft
$652
-4.7% YoY
Alameda County Median Sale Price
$1,020,000
-4.2% YoY

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 County.

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

Risk

Create a free account to unlock extended information for 4274 Shamrock Way, Castro Valley, 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 4274 Shamrock Way, Castro Valley 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 to school (mi)
Marshall Elementary School 9 Public K-5 491 0.18
Early Bird Montessori School NR Private PK, K-1 30 0.24
Early Bird Montessori School NR Private PK, K-1 30 0.24
Vannoy Elementary School 7 Public K-5 441 0.54
Redwood Christian Elementary School NR Private K-5 282 0.59

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Creekside Middle School 8 Public 6-8 760 0.21
Castro Valley Adult And Career Education NR Public 0 0.62
Alma Preschool NR Public 52 0.65
Redwood Christian Schools NR Private K-12 706 0.66
Canyon Middle School 6 Public 6-8 1,332 0.77

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley Adult And Career Education NR Public 0 0.62
Alma Preschool NR Public 52 0.65
Redwood Christian Schools NR Private K-12 706 0.66
Castro Valley High School 9 Public 9-12 2,799 0.78
Special Education-Preschool-Laurel NR Public 1 0.98

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

Neighbors for 4274 Shamrock Way, Castro Valley

Here are the neighbors for 4274 Shamrock Way, Castro Valley.

Address Square feet Purchase date Purchase price
4878 James Ave, Castro Valley 3,340 04/15/2024 $809,000
3701 Kenmore CT, Castro Valley 1,538 02/26/2015 $576,500
4840 Kathleen Ave, Castro Valley 2,496 09/18/2025
4890 James Ave, Castro Valley 1,603 07/13/2021
4872 James Ave, Castro Valley 1,660 01/30/2013
19056 Madison Ave, Castro Valley 2,290 04/30/2020
4742 James Ave, Castro Valley 944 05/15/2025
4853 Kathleen Ave, Castro Valley 1,350 08/14/2023 $910,000
4322 Heyer Ave, Castro Valley 2,327
4855 James Ave, Castro Valley 2,560 01/04/2017 $880,000
4860 James Ave, Castro Valley 1,442 05/22/2006
4965 Kathleen Ave, Castro Valley 1,245 05/09/2006
3706 Kenmore CT, Castro Valley 1,274
4718 James Ave, Castro Valley 1,383 08/31/2022
4730 James Ave, Castro Valley 931 04/03/2013 $407,000
4656 Heyer Ave, Castro Valley 754 09/08/2017
4977 Kathleen Ave, Castro Valley 1,603 10/02/2025
4712 James Ave, Castro Valley 1,156 04/21/2022
4823 Kathleen Ave, Castro Valley 3,075 01/07/2020 $980,000
4431 James Ave, Castro Valley 2,730 02/09/2018 $920,000

Nearby ZIP Codes for 4274 Shamrock Way, Castro Valley

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