Contra Costa County property record for 35 Corwin Dr, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,855 sqft · built 1958 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $949,000 (Sep 2013) |
| Tax Bill | $13,447 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage Jan 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 198-140-018-5 |
| Primary APN | 198-140-018-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,855 sqft Living Area |
| Gross Area | 2,454 sqft |
| 1st Floor Area | 1,855 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 21,780 sqft (0.5 acres) |
| View / Lot | Woodland |
| Garage Type | Attached |
| Garage Area | 599 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Septic |
| Water Source | Commercial |
| Street Address | 35 CORWIN DR |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2140 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | HEMME SUBN POR LOT 11 .50 AC |
| Legal Subdivision | HEMME SUB |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 345204 |
35 Corwin Dr is owned and occupied by two individuals who acquired it in December 2019.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 35 CORWIN DR, ALAMO, CA 94507-2140 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Dec 9, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Jan 8, 2020 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 10, 2013 · Amount on File |
| Deed Sale | Sep 10, 2013 · Amount on File |
| Deed Document Number | 2013222017 |
| Last Transfer Date | Dec 24, 2019 |
| Transfer Doc | 0000003393 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 35 CORWIN DR, ALAMO, CA 94507-2140 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 35 CORWIN DR, ALAMO, CA 94507-2140 |
| Document Number | 0000307964 |
|---|---|
| Date | Dec 9, 2020 |
| Instrument | 2020-307964 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 8, 2020 |
| Property Address | 35 CORWIN DR, ALAMO, CA 94507-2140 |
| Document Number | 0000003393 |
| Instrument Date | Dec 24, 2019 |
| Instrument | 3393 |
| Transaction Type | Transfer |
| Record Updated | Jan 20, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 35 CORWIN DR ALAMO CA 945072140, ALAMO, CA 94507-2140 |
The 2025 property tax bill for 35 Corwin Dr was $13,447.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,167,967 (+2%) Land $1,042,811 Building $125,156 | |
| 2025 | $13,447.00 | $1,145,066 Land $1,022,364 Building $122,702 |
| 2023 | $12,970.00 (+0.74%) | $1,100,604 Land $982,665 Building $117,939 |
| 2022 | $12,875.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 35 Corwin Dr in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1993.
Source: FEMA National Flood Hazard Layer, effective October 12, 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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 5 (1993–2012) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Dec 2012 · 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.
Wildfire risk around 35 Corwin Dr is moderate, ranking above 52% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 52% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 200 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures