Alameda County property record for 21079 Nunes Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,668 sqft · built 1948 |
| Lot Size | 0.116 acres (5,050 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $650,000 (Sep 2017) |
| Tax Bill | $9,513 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage Sep 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-20-5 |
| Primary APN | 84A-20-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,668 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,050 sqft (0.116 acres) |
| Street Address | 21079 NUNES AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-5743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: 000A TR: 0810 |
| Legal Subdivision | TRACT 810 |
| Legal Tract | 0810 |
| Legal Block | A |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 431000 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 21079 NUNES AVE, CASTRO VALLEY, CA 94546-5743 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Dec 29, 2020 | Deed of Trust, Mortgage · VA Mortgage CALIBER HOME LOANS INC |
| Sep 8, 2017 | Grant Deed, Transfer · VA Mortgage CALIBER HM LOANS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 8, 2017 · Amount on Record |
| Deed Sale | Sep 8, 2017 · Amount on Record |
| Deed Document Number | 2017196990 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 21079 NUNES AVE, CASTRO VALLEY, CA 94546-5743 |
| Transaction Type | Mortgage |
| Record Updated | Mar 5, 2021 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 21079 NUNES AVE, CASTRO VALLEY, CA 94546-5743 |
| Document Number | 0000368218 |
|---|---|
| Date | Dec 29, 2020 |
| Instrument | 2020368218 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Address | PLEASANTON, CA 94566 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 8, 2017 |
| Property Address | 21079 NUNES AVE, CASTRO VALLEY, CA 94546-5743 |
| Document Number | 0000196990 |
| Instrument Date | Aug 29, 2017 |
| Instrument | 196990 |
| Transaction Type | Transfer |
| Record Updated | Oct 10, 2017 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $715.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 21079 NUNES AVE CASTRO VALLEY CA 945465743, CASTRO VALLEY, CA 94546-5743 |
| Document Number | 196991 |
|---|---|
| Date | Sep 8, 2017 |
| Instrument | 196991 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | IRVING, TX 75063 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 7, 2047 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $747,363 (+1.05%) Land $226,309 Building $528,054 | ||
| 2025 | $9,513.00 (+3.97%) Homeowner's exemption | $739,575 (+4.04%) Land $221,872 Building $517,703 | |
| 2023 | $9,150.00 Homeowner's exemption | $710,858 Land $213,257 Building $497,601 | $859,050 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Flood Insurance Cost | Premium on Record median of 10 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (2023–2025) |
| Most Recent Claim | Dec 2025 · rainfall accumulation |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 459 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Verizon.
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