4251 Apollo Cir, Union City, CA 94587 Property Records

Alameda County property record for 4251 Apollo Cir, Union City, CA 94587

Property Summary

Property Type	Townhouse
Details	4 bd · 2.5 ba · 1,583 sqft · built 1970
Lot Size	0.037 acres (1,625 sqft)
Owner	2 Individual Names on File
Last Sale	$835,000 (Jun 2025)
Tax Bill	$5,076 (2025)
Deeds & Mortgages	May 2026 Mortgage Dec 2021 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`483-73-75`

Property Details

APN / Parcel Number

Primary APN	`483-73-75`
Alternative APN	`483-0073-075-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	1,583 sqft Living Area

Exterior

Year Built	Built 1970
Effective Year Built	Effective 1971
Architectural Style	Custom Design
Exterior Material	Wood Siding
Construction Type	Wood
Lot Area	1,625 sqft (0.037 acres)
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	4251 APOLLO CIR
City	UNION CITY
State	CA
Zip	94587-4007
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	LOT: 00091 BLK: TR: 3204
Legal Subdivision	TR 3204
Legal Tract	3204
Legal Lot Number	51
Jurisdiction	ALAMEDA CA
Township / Civil Division	FREMONT
Census Block Group	1
Census Block	1002
Census Tract	440306

Owner

4251 Apollo Cir, a townhouse, is owned and occupied by two individuals who bought it in June 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	4251 APOLLO CIR, UNION CITY, CA 94587-4007
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
May 22, 2026	Deed of Trust, Mortgage · Conventional Mortgage US BANK
Dec 13, 2021	Deed of Trust, Mortgage · Line of Credit PENTAGON FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 26, 2025 · Amount on File
Deed Sale	Jun 26, 2025 · Amount on File
Prior Sale	Jul 25, 2012 · Amount on File
Deed Document Number	202581393
Record Updated	Oct 29, 2026

May 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Recording Date	May 22, 2026
Property Address	4251 APOLLO CIR, UNION CITY, CA 94587-4007
Document Number	0000067630
Instrument Date	May 14, 2026
Instrument	202667630
Transaction Type	Mortgage
Record Updated	Jul 12, 2026
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1032 CASA MARCIA PL, FREMONT, CA 94539-3634

Mortgage

Document Number	0000067630,
Date	May 22, 2026
Instrument	202667630

Lender

Name	US BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4251 APOLLO CIR, UNION CITY, CA 94587-4007
Transaction Type	Mortgage
Record Updated	Jan 5, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3221 CANON ST, SAN DIEGO, CA 92106-2512

Mortgage

Document Number	0000395257
Date	Dec 13, 2021
Instrument	2021395257

Lender

Name	PENTAGON FCU
Type	Credit Union
Address	MC LEAN, VA 22102

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	3 Months
Due	Sep 29, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 4251 Apollo Cir was $5,076.

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		$851,700 (+153.53%) Land $255,510 Building $596,190
2025	$5,076.00	$335,939 Land $102,820 Building $240,119
2023	$5,205.00 Homeowner's exemption	$329,624 Land $98,828 Building $230,796	$701,820

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 4251 Apollo Cir in Zone X, an area of minimal flood risk.

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 Policies	2 in force

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 4251 Apollo Cir is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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 712 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
RobinsonHSS Fixed Wireless	1,000 / 1,000
Tekify Fiber & Wireless Fixed Wireless	580 / 125
Etheric Networks Fixed Wireless	250 / 100
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Unwired, Verizon.

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