33408 4th St, Union City, CA 94587 Property Records

Alameda County property record for 33408 4th St, Union City, CA 94587

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,104 sqft · built 1922
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on File
Last Sale	$800,000 (Aug 2025)
Tax Bill	$1,446 (2025)
Deeds & Mortgages	Feb 2023 Sale & Mortgage Jun 2022 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`486-3-48`

Property Details

APN / Parcel Number

Primary APN	`486-3-48`
Alternative APN	`486-0003-048-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,104 sqft Living Area

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1934
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Carport
Carport	Carport
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	33408 4TH ST
City	UNION CITY
State	CA
Zip	94587-2411
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00048 BLK: AR: 0486 PAGE: 0003
Legal Subdivision	DECOTO
Legal Tract	2418
Legal Block	40
Legal Lot Number	1
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	4
Census Block	4017
Census Tract	440200

Owner

33408 4th St is owned and occupied by two individuals who bought it in August 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	33408 4TH ST, UNION CITY, CA 94587-2411
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
Feb 17, 2023	Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC
Jun 8, 2022	Intrafamily Transfer, Transfer
Oct 2, 2017	Quit Claim Deed OTHER

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 12, 2025 · Amount on File
Deed Sale	Aug 12, 2025 · Amount on File
Prior Sale	Feb 17, 2023 · Amount on File
Deed Document Number	2025101195
Prior Transfer Date	Jun 1, 2022
Prior Transfer Doc	0000108121
Record Updated	Sep 20, 2026

February 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Feb 17, 2023
Property Address	33408 4TH ST, UNION CITY, CA 94587-2411
Document Number	0000020587
Map Reference	MB 19 PG 43
Instrument Date	Feb 10, 2023
Instrument	2023020587
Transaction Type	Transfer
Record Updated	Mar 22, 2023
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	33408 4TH ST, UNION CITY, CA 94587-2411

Mortgage

Document Number	0000020588
Date	Feb 17, 2023
Instrument	2023020588

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2053

June 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jun 8, 2022
Property Address	33408 4TH ST, UNION CITY, CA 94587-2411
Document Number	0000108121
Map Reference	MB 19 PG 43
Instrument Date	Jun 1, 2022
Instrument	2022108121
Transaction Type	Transfer
Record Updated	Jun 7, 2023

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
Address	33408 4TH ST, UNION CITY, CA 94587-2411

October 2017: Quit Claim Deed

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 2, 2017
Property Address	33408 4TH ST, UNION CITY, CA 94587-2411
Document Number	0000217381
Instrument Date	Oct 2, 2017
Instrument	217381
Record Updated	Nov 6, 2017
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	33408 4TH ST UNION CITY CA 945872411, UNION CITY, CA 94587-2411

Tax Assessment & Valuation

The 2025 property tax bill for 33408 4th St was $1,446, down 31.2% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$800,000 (+1,878.39%) Land $240,000 Building $560,000
2025	$1,446.00 (-31.24%) Homeowner's exemption	$40,437 Land $11,278 Building $36,159
2024	$2,103.00 (+10.51%)
2023	$1,903.00 Homeowner's exemption	$40,907 Land $10,840 Building $30,067	$761,400

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 33408 4th St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 33408 4th St is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 53% of the US · lower than 68% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach

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	ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001
Water Source	Surface water
Last State Inspection	Nov 2025
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 583 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Tekify Fiber & Wireless Fixed Wireless	1,000 / 1,000
RobinsonHSS Fixed Wireless	1,000 / 1,000

May also be available: GeoLinks, T-Mobile, Verizon.

Nearby Properties on 4th St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures