Alameda County property record for 3757 Cottage Ct, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,164 sqft · built 1957 |
| Lot Size | 0.135 acres (5,865 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,000,000 (Apr 2022) |
| Tax Bill | $12,728 (2025) |
| Deeds & Mortgages | Apr 2022 Sale & Mortgage Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1329-15 |
| Primary APN | 84D-1329-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,164 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,865 sqft (0.135 acres) |
| Street Address | 3757 COTTAGE CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3001 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00005 BLK: 000B TR: 1727 |
| Legal Subdivision | TRACT 1727 |
| Legal Tract | 1727 |
| Legal Block | B |
| Legal Lot Number | 5 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 430700 |
3757 Cottage Ct is owned and occupied by two individuals who bought it in April 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3757 COTTAGE CT, CASTRO VALLEY, CA 94546-3001 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 26, 2022 | Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Sep 27, 2021 | Deed of Trust, Mortgage · FHA Mortgage DOVENMUEHLE MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 26, 2022 · Amount on File |
| Deed Sale | Apr 26, 2022 · Amount on File |
| Prior Sale | Nov 25, 2014 · Amount on File |
| Deed Document Number | 202282571 |
| Prior Transfer Date | Apr 22, 2022 |
| Prior Transfer Doc | 0000082573 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 26, 2022 |
| Property Address | 3757 COTTAGE CT, CASTRO VALLEY, CA 94546-3001 |
| Document Number | 0000082571 |
| Map Reference | MB 37 PG 96 |
| Instrument Date | Apr 22, 2022 |
| Instrument | 2022082571 |
| Transaction Type | Transfer |
| Record Updated | May 20, 2022 |
| Title Company | STEWART TITLE, STEWART TITLE OF CA INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,100.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3757 COTTAGE CT, CASTRO VALLEY, CA 94546-3001 |
| Document Number | 0000082572 |
|---|---|
| Date | Apr 26, 2022 |
| Instrument | 2022082572 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3757 COTTAGE CT, CASTRO VALLEY, CA 94546-3001 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2021 |
| Name | Verified Name |
|---|---|
| Address | 3757 COTTAGE CT, CASTRO VALLEY, CA 94546-3001 |
| Document Number | 0000322145 |
|---|---|
| Date | Sep 27, 2021 |
| Instrument | 2021322145 |
| Name | DOVENMUEHLE MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | DALLAS, TX 75201 |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 288 Months |
| Due | Sep 1, 2045 |
The 2025 property tax bill for 3757 Cottage Ct was $12,728.
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 | $1,005,000 (-) Land $301,500 Building $703,500 | ||
| 2025 | $12,728.00 | $1,005,000 Land $301,500 Building $703,500 | |
| 2023 | $11,716.00 | $920,000 Land $276,000 Building $644,000 | $978,660 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3757 Cottage Ct 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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 risk around 3757 Cottage Ct 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.
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 938 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Unwired, Verizon.
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