Alameda County property record for 121 Mountaintop Ave, Hayward, CA 94544
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,547 sqft · built 2022 |
| Lot Size | 0.06 acres (2,592 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,000,000 (Mar 2026) |
| Tax Bill | $12,634 (2025) |
| Deeds & Mortgages | Mar 2026 Sale & Mortgage Mar 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 454-20-87 |
| Primary APN | 454-20-87 |
|---|---|
| Alternative APN |
|
| 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 |
| Year Built | Built 2022 |
|---|---|
| Effective Year Built | Effective 2022 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 2,592 sqft (0.06 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 121 MOUNTAINTOP AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-6771 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00014 BLK: TR: 8432 |
| Legal Subdivision | MOUNTAINSIDE WAY |
| Legal Tract | 8432 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 437500 |
Source: Alameda County records · APN 454-20-87
Assessment roll updated June 20, 2025 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 121 MOUNTAINTOP AVE, HAYWARD, CA 94544-6771 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 12, 2026 | Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Mar 17, 2022 | Grant Deed, Subdivision Related Transfer · Conventional Mortgage RESICENTRAL LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 12, 2026 · Amount on Record |
| Deed Sale | Mar 12, 2026 · Amount on Record |
| Prior Sale | Mar 17, 2022 · Amount on Record |
| Deed Document Number | 202633445 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 12, 2026 |
| Property Address | 121 MOUNTAINTOP AVE, HAYWARD, CA 94544-6771 |
| Document Number | 0000033445 |
| Map Reference | MB 359 PG 91- 95 |
| Instrument Date | Feb 26, 2026 |
| Instrument | 2026033445 |
| Transaction Type | Transfer |
| Record Updated | Apr 20, 2026 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $9,600.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 121 MOUNTAINTOP AVE, HAYWARD, CA 94544-6771 |
| Document Number | 0000033446 |
|---|---|
| Date | Mar 12, 2026 |
| Instrument | 2026033446 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2056 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 17, 2022 |
| Property Address | GADING RD, HAYWARD, CA 94544 |
| Document Number | 0000056129 |
| Map Reference | MB 359 PG 91-95 |
| Instrument Date | Mar 01, 2022 |
| Instrument | 2022056129 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Sep 28, 2023 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $9,456.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 6677 GRASSHOPPER AVE, NEWARK, CA 94560-5527 |
| Document Number | 0000056130 |
|---|---|
| Date | Mar 17, 2022 |
| Instrument | 2022056130 |
| Name | RESICENTRAL LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2052 |
Source: Alameda County records · Assessment roll updated June 20, 2025 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | Hayward Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $12,634.00 (-0.53%) | $1,045,281 (+4.04%) Land $314,115 Building $731,166 |
| 2024 | $12,701.00 (+3.05%) | |
| 2023 | $12,325.00 | $1,004,700 Land $301,920 Building $702,780 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 |
| Robinson Hardware and Software Solutions Fixed Wireless | 1,000 / 1,000 |
| Tekify Fixed Wireless | 570 / 120 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet, Sail Internet Holdings, Verizon.
Based on FCC filings for 686 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF HAYWARD serves 162,954 people |
|---|---|
| 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 |
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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