Alameda County property record for 3718 September Ct, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,504 sqft · built 1958 |
| Lot Size | 0.332 acres (14,464 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,110,000 (Sep 2020) |
| Tax Bill | $15,047 (2025) |
| Deeds & Mortgages | Sep 2020 Sale & Mortgage Jun 2020 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1102-55 |
| Primary APN | 84D-1102-55 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,504 sqft Living Area |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 14,464 sqft (0.332 acres) |
| Street Address | 3718 SEPTEMBER CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-1149 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00004 BLK: 0002 TR: 1763 |
| Legal Tract | 1763 |
| Legal Lot Number | 4 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 430400 |
3718 September Ct is owned and occupied by two individuals who bought it in September 2020.
Source: Alameda County records, as of August 5, 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 | 3718 SEPTEMBER CT, CASTRO VALLEY, CA 94546-1149 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Sep 15, 2020 | Grant Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK |
| Jun 26, 2020 | Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Jun 26, 2020 | Affidavit of Death, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 15, 2020 · Amount on File |
| Deed Sale | Sep 15, 2020 · Amount on File |
| Prior Sale | Jun 26, 2020 · Amount on File |
| Deed Document Number | 2020233123 |
| Prior Transfer Date | Jan 25, 2013 |
| Prior Transfer Doc | 0000042128 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 15, 2020 |
| Property Address | 3718 SEPTEMBER CT, CASTRO VALLEY, CA 94546-1149 |
| Document Number | 0000233123 |
| Map Reference | MB 38 PG 57&58 |
| Instrument Date | Sep 8, 2020 |
| Instrument | 2020233123 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,221.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3718 SEPTEMBER CT, CASTRO VALLEY, CA 94546-1149 |
| Document Number | 0000233124 |
|---|---|
| Date | Sep 15, 2020 |
| Instrument | 2020233124 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 26, 2020 |
| Property Address | 3718 SEPTEMBER CT, CASTRO VALLEY, CA 94546-1149 |
| Document Number | 0000149016 |
| Instrument Date | Jun 23, 2020 |
| Instrument | 149016 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2020 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount on Record |
|---|---|
| Tax | $770.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 3718 SEPTEMBER CT CASTRO VALLEY CA 945461149, CASTRO VALLEY, CA 94546-1149 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 26, 2020 |
| Property Address | 3718 SEPTEMBER CT, CASTRO VALLEY, CA 94546-1149 |
| Document Number | 0000149015 |
| Instrument Date | Jun 23, 2020 |
| Instrument | 149015 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2020 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 2626 CLUB PARK RD WINSTON SALEM NC 271042012, WINSTON SALEM, NC 27104-2012 |
The 2025 property tax bill for 3718 September Ct was $15,047.
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 | $1,225,505 (+2%) Land $367,651 Building $857,854 | ||
| 2025 | $15,047.00 | $1,201,485 Land $360,445 Building $841,040 | |
| 2023 | $14,504.00 | $1,154,843 Land $346,453 Building $808,390 | $1,183,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3718 September Ct in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1982–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 risk around 3718 September Ct is moderate, ranking above 57% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 312 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, Unwired.
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