25900 Mountainside Ct, Hayward, CA 94544 Property Records

Alameda County property record for 25900 Mountainside Ct, Hayward, CA 94544

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 1,547 sqft · built 2022
Lot Size	0.06 acres (2,598 sqft)
Owner	2 Individual Names on File
Last Sale	$962,500 (Feb 2022)
Tax Bill	$12,354 (2025)
Deeds & Mortgages	Feb 2022 Sale & Mortgage Dec 2020 Sale
Flood Zone	Zone X (minimal risk)
APN	`453-5-104`

Property Details

APN / Parcel Number

Primary APN	`453-5-104`
Alternative APN	`453-0005-104-00`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,547 sqft Living Area

Exterior

Year Built	Built 2022
Effective Year Built	Effective 2022
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	2,598 sqft (0.06 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	25900 MOUNTAINSIDE CT
City	HAYWARD
State	CA
Zip	94544-6727
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00008 BLK: TR: 8319
Legal Subdivision	MOUNTAINSIDE WAY
Legal Tract	8319
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2008
Census Tract	437500

Owner

25900 Mountainside Ct is owned and occupied by two individuals who bought it in February 2022.

Source: Alameda County records, as of April 6, 2026

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

Owner of Record	2 Individual Names on File
Mailing Address	25900 MOUNTAINSIDE CT, HAYWARD, CA 94544-6727
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants in Common

Deeds, Mortgages & Sale History

Date	Document
Feb 15, 2022	Grant Deed, Subdivision Related Transfer · Conventional Mortgage DHI MORTGAGE COMPANY LTD
Dec 17, 2020	Grant Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 15, 2022 · Amount on File
Deed Sale	Feb 15, 2022 · Amount on File
Prior Sale	Dec 17, 2020 · Amount on File
Deed Document Number	202234995
Record Updated	Jun 8, 2026

February 2022: Grant Deed, Subdivision Related Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Feb 15, 2022
Property Address	GADING RD, HAYWARD, CA 94544
Document Number	0000034995
Map Reference	MB 359 PG 96-99
Instrument Date	Dec 21, 2021
Instrument	2022034995
Transaction Type	Subdivision Related Transfer
Record Updated	Aug 22, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$9,240.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	25900 MOUNTAINSIDE CT, HAYWARD, CA 94544-6727

Mortgage

Document Number	0000034996
Date	Feb 15, 2022
Instrument	2022034996

Lender

Name	DHI MORTGAGE COMPANY LTD
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Mar 1, 2052

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Dec 17, 2020
Property Address	GADING RD, HAYWARD, CA 94544
Document Number	0000355107
Instrument Date	Dec 17, 2020
Instrument	355107
Transaction Type	Transfer
Record Updated	Feb 22, 2021
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount on Record
Tax	$16,044.00
Amount Accuracy	Full Value
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	6683 OWENS DR PLEASANTON CA 945883335, PLEASANTON, CA 94588-3335
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 25900 Mountainside Ct was $12,354, up 1% from the year before.

Source: Alameda County assessment roll, as of June 20, 2025

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$12,354.00 (+0.96%)	$1,021,404 Land $306,686 Building $714,718
2024	$12,236.00 (+1.53%)
2023	$12,052.00	$981,750 Land $294,780 Building $686,970

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 25900 Mountainside Ct in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 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 25900 Mountainside Ct is low, with less than 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 99.1% of the US · lower than 99.2% of California
Wildfire Likelihood	Under 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	CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006
Water Source	Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM
Last State Inspection	Mar 2025
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 686 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
RobinsonHSS Fixed Wireless	1,000 / 1,000
Tekify Fiber & Wireless Fixed Wireless	570 / 120
Unwired Fixed Wireless	300 / 25
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Sail Internet, Verizon.

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