4155 Casterson Ct, Pleasanton, CA 94566 Property Records

Alameda County property record for 4155 Casterson Ct, Pleasanton, CA 94566

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 4,503 sqft · built 1992
Lot Size	0.359 acres (15,635 sqft)
Owner	Trust Name on File
Last Sale	$2,300,000 (Jul 2019)
Tax Bill	$29,481 (2025)
Deeds & Mortgages	Dec 2025 Document Apr 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`950-3-49`

Property Details

APN / Parcel Number

Primary APN	`950-3-49`
Alternative APN	`950-0003-049-00`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	4,503 sqft Living Area

Exterior

Year Built	Built 1992
Effective Year Built	Effective 1999
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	15,635 sqft (0.359 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4155 CASTERSON CT
City	PLEASANTON
State	CA
Zip	94566-7535
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: TR: 5875
Legal Subdivision	TRACT 5875
Legal Tract	5875
Legal Lot Number	1
Jurisdiction	ALAMEDA CA
Township / Civil Division	LIVERMORE-PLEASANTON
Census Block Group	1
Census Block	1000
Census Tract	450701

Owner

4155 Casterson Ct is owner-occupied and held in a trust since March 2021.

Source: Alameda County records, as of August 5, 2026

Owner of Record	Trust Name on File
Mailing Address	4155 CASTERSON CT, PLEASANTON, CA 94566-7535
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Dec 29, 2025
Apr 14, 2021	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 25, 2019 · Amount on File
Deed Sale	Jul 25, 2019 · Amount on File
Prior Sale	Feb 13, 2015 · Amount on File
Deed Document Number	2019142732
Last Transfer Date	Mar 25, 2021
Transfer Doc	0000166881
Record Updated	Sep 20, 2026

December 2025:

Jurisdiction	ALAMEDA CA
Recording Date	Dec 29, 2025
Property Address	4155 CASTERSON CT, PLEASANTON, CA 94566-7535
Document Number	0000166163
Map Reference	MB 179 PG 84 - 92
Instrument Date	Nov 1, 2025
Instrument	2025166163
Record Updated	Feb 5, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2121 N CALIFORNIA BLVD # BLVD290, BLVD290, WALNUT CREEK, CA 94596-3572

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4155 CASTERSON CT, PLEASANTON, CA 94566-7535

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Apr 14, 2021
Property Address	4155 CASTERSON CT, PLEASANTON, CA 94566-7535
Document Number	0000147411
Map Reference	MB 179 PG 84-92
Instrument Date	Mar 16, 2021
Instrument	2021147411
Transaction Type	Transfer
Record Updated	Feb 5, 2026

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	4155 CASTERSON CT, PLEASANTON, CA 94566-7535

Tax Assessment & Valuation

The 2025 property tax bill for 4155 Casterson Ct was $29,481 with a homeowner's exemption.

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Municipality	Pleasanton City
Unified School District	Pleasanton Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$2,563,087 (+1.72%) Land $769,695 Building $1,800,392
2025	$29,481.00 Homeowner's exemption	$2,519,699 Land $754,604 Building $1,765,095
2023	$28,565.00 Homeowner's exemption	$2,421,872 Land $725,307 Building $1,696,565	$3,095,010

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 4155 Casterson Ct in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 4155 Casterson Ct is moderate, ranking above 64% of the US, with a 0.2% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 64% of the US · lower than 60% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF PLEASANTON serves 76,689 people · EPA ID CA0110008
Water Source	Purchased surface water from ZONE 7 WATER AGENCY
Last State Inspection	May 2024
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 228 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
AT&T DSL · Fiber in parts of the area	100 / 20

May also be available: Verizon.

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