Alameda County property record for 1640 Walnut St, Apt B, Berkeley, CA 94709 · Last verified August 2026
| Property Type | Residential > Condominium / Townhouse > Condominium |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1940 |
| Square Footage | 694 sqft Living Area |
| Lot Size | 4,103 sqft (0.094 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $123,000 (2008) |
| Tax Bill | $3,986.00 (2025) |
| Primary APN | 58-2178-32 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 694 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1908 |
|---|---|
| Effective Year Built | Effective 1940 |
| Construction Type | Wood Construction |
| Lot Area | 4,103 sqft (0.094 acres) |
| Street Address | 1640 WALNUT ST, B |
|---|---|
| City | BERKELEY |
| State | CA |
| Zip | 94709-1644 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | BK: P308 PAGE: 72 LOT: 1 BLDG: UNIT:1640B |
| Legal Subdivision | PARCEL MAP 9506 |
| Legal Lot Number | 1 |
| Legal Unit | 1640B |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | BERKELEY |
| Census Blockgroup | 4 |
| Census Block | 4002 |
| Census Tract | 422400 |
Source: Alameda County records · APN 58-2178-32
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 1640 WALNUT ST, B, BERKELEY, CA 94709-1644 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Family Trust |
| Date | Document |
|---|---|
| Feb 11, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WATERMARK CAPITAL INC |
| Feb 01, 2017 | Deed of Trust, Mortgage · Conventional Mortgage AMERICAN INTERBANC MORTGAGE LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 26, 2008 · Amount on Record |
| Deed Sale | Sep 26, 2008 · Amount on Record |
| Deed Doc Number | 2008285941 |
| Last Transfer Date | Oct 15, 2024 |
| Transfer Doc | 0000135633 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1640 WALNUT ST APT B, B, BERKELEY, CA 94709-1644 |
| Transaction Type | Mortgage |
| Record Updated | Mar 24, 2021 |
| Name | Verified Name |
|---|---|
| Address | 1640 WALNUT ST B, B, BERKELEY, CA 94709-1644 |
| Document Number | 0000061734 |
|---|---|
| Date | Feb 11, 2021 |
| Instrument | 2021061734 |
| Name | WATERMARK CAPITAL INC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92618 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1640 WALNUT ST APT B, B, BERKELEY, CA 94709-1644 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | PACIFIC COAST TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000025641 |
|---|---|
| Date | Feb 01, 2017 |
| Instrument | 2017025641 |
| Name | AMERICAN INTERBANC MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | IRVINE, CA 92614 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Feb 01, 2047 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Berkeley City |
| Unified School District | Berkeley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $178,768 (-1.84%) Land $61,972 Building $123,796 | ||
| 2025 | $3,986.00 (+15.4%) Homeowner's exemption | $182,127 (+4.04%) Land $60,757 Building $121,370 | |
| 2023 | $3,454.00 Homeowner's exemption | $175,057 Land $58,399 Building $116,658 | $337,320 |
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