5771 Mountain Ct, Castro Valley, CA 94552 Property Records

Alameda County property record for 5771 Mountain Ct, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	5 bd · 2.5 ba · 2,363 sqft · built 1977
Lot Size	1.13 acres (49,658 sqft)
Owner	Individual Name on Record
Last Sale	$1,450,000 (Sep 2020)
Tax Bill	$19,390 (2025)
Deeds & Mortgages	Sep 2020 Transfer Sep 2020 Sale
Flood Zone	Zone X (minimal risk)
APN	`85-1605-70`

Property Details

APN / Parcel Number

Primary APN	`85-1605-70`
Alternative APN	`085-1605-070-00`

Interior

Bedrooms	5 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,363 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1978
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	49,658 sqft
Parking Spaces	5 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	5771 MOUNTAIN CT
City	CASTRO VALLEY
State	CA
Zip	94552-1832
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00004 BLK: 000A TR: 3625 ;LOT: 00005 BLK: 000A TR: 3625
Legal Subdivision	TRACT 3625
Legal Tract	3625
Legal Lot Number	5
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1016
Census Tract	430102

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	5771 MOUNTAIN CT, CASTRO VALLEY, CA 94552-1832
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Sole Owner

Deeds, Mortgages & Sale History

Date	Document
Sep 29, 2020	Quit Claim Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Sep 29, 2020	Grant Deed, Transfer CHICAGO TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 29, 2020 · Amount on Record
Deed Sale	Sep 29, 2020 · Amount on Record
Deed Document Number	2020252856
Prior Transfer Date	Sep 23, 2020
Prior Transfer Doc	0000252857
Record Updated	Sep 20, 2026

September 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 29, 2020
Property Address	5771 MOUNTAIN CT, CASTRO VALLEY, CA 94552-1832
Document Number	0000252857
Instrument Date	Sep 23, 2020
Instrument	252857
Transaction Type	Transfer
Record Updated	Dec 16, 2020
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	5771 MOUNTAIN CT CASTRO VALLEY CA 945521832, CASTRO VALLEY, CA 94552-1832

September 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 29, 2020
Property Address	5771 MOUNTAIN CT, CASTRO VALLEY, CA 94552-1832
Document Number	0000252856
Map Reference	MB 95 PG 1
Instrument Date	Sep 3, 2020
Instrument	2020252856
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Tax	$1,595.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5771 MOUNTAIN CT, CASTRO VALLEY, CA 94552-1832

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,600,886 (+2%) Land $480,266 Building $1,120,620
2025	$19,390.00 (+3.67%)	$1,569,508 (+4.04%) Land $470,852 Building $1,098,656
2023	$18,704.00	$1,508,580 Land $452,574 Building $1,056,006	$1,473,930

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

Flood

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

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

Wildfire Risk	High above 71% of the US · above 46% of California
Wildfire Likelihood	0.3% 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 389 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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