Contra Costa County property record for 45 Corwin Dr, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,262 sqft · built 1958 |
| Lot Size | 0.46 acres (20,037 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,480,000 (Oct 2018) |
| Tax Bill | $19,104 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage Aug 2021 Line of Credit + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 198-140-017-7 |
| Primary APN | 198-140-017-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,262 sqft Living Area |
| 1st Floor Area | 2,262 sqft |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 20,037 sqft (0.46 acres) |
| Lot Dimensions | 182 ft deep x 121 ft wide |
| Garage Type | Attached |
| Garage Area | 1,819 sqft |
| Parking Spaces | 6 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 45 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 10 .46 AC |
| Legal Subdivision | HEMME SUB |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 345204 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Aug 25, 2021 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA |
| Jul 26, 2022 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA |
| Oct 25, 2018 | Affidavit of Death, Transfer OLD REPUBLIC TITLE |
| Oct 25, 2018 | Grant Deed, Transfer PROVIDENT CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 25, 2018 · Amount on Record |
| Deed Sale | Oct 25, 2018 · Amount on Record |
| Deed Document Number | 2018168616 |
| Prior Transfer Date | Feb 3, 1997 |
| Prior Transfer Doc | 0000030965 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Transaction Type | Mortgage |
| Record Updated | Aug 1, 2023 |
| Title Company | SERVICELINK |
| Name | Verified Name |
|---|---|
| Address | PO BOX 301, ALAMO, CA 94507-0301 |
| Document Number | 0000088428 |
|---|---|
| Date | Mar 24, 2021 |
| Instrument | 2021-088428 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Transaction Type | Mortgage |
| Record Updated | Aug 1, 2023 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | PO BOX 301, ALAMO, CA 94507-0301 |
| Document Number | 0000238864 |
|---|---|
| Date | Aug 25, 2021 |
| Instrument | 2021-238864 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Transaction Type | Mortgage |
| Record Updated | Aug 1, 2023 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | PO BOX 301, ALAMO, CA 94507-0301 |
| Document Number | 0000117969 |
|---|---|
| Date | Jul 26, 2022 |
| Instrument | 2022-117969 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | FORT WORTH, TX 76155 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 25, 2018 |
| Property Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Document Number | 0000168615 |
| Instrument Date | Oct 13, 2018 |
| Instrument | 168615 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 45 CORWIN DR ALAMO CA 945072140, ALAMO, CA 94507-2140 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 25, 2018 |
| Property Address | 45 CORWIN DR, ALAMO, CA 94507-2140 |
| Document Number | 0000168616 |
| Instrument Date | Oct 4, 2018 |
| Instrument | 168616 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,628.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 45 CORWIN DR ALAMO CA 945072140, ALAMO, CA 94507-2140 |
| Document Number | 168617 |
|---|---|
| Date | Oct 25, 2018 |
| Instrument | 168617 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | 303 TWIN DOLPHIN DR, REDWOOD CITY, CA 94065-1497 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Oct 24, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
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 | $1,779,122 (+2%) Land $1,228,853 Building $550,269 | |
| 2025 | $19,104.00 (+9.25%) Homeowner's exemption | $1,744,238 (+9.92%) Land $1,204,758 Building $539,480 |
| 2023 | $17,487.00 (+0.74%) Homeowner's exemption | $1,586,856 Land $1,157,977 Building $428,879 |
| 2022 | $17,359.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 Record 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.
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 |
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