Contra Costa County property record for 605 Wellesley Ave, Kensington, CA 94708
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,431 sqft · built 1953 |
| Lot Size | 0.121 acres (5,265 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $675,000 (Feb 2012) |
| Tax Bill | $12,715 (2025) |
| Deeds & Mortgages | Mar 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 570-011-007-4 |
| Primary APN | 570-011-007-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,431 sqft Living Area |
| 1st Floor Area | 1,431 sqft |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Lot Area | 5,265 sqft (0.121 acres) |
| Garage Type | Attached |
| Garage Area | 405 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 605 WELLESLEY AVE |
|---|---|
| City | KENSINGTON |
| State | CA |
| Zip | 94708-1009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | BERKELEY HIGHLANDS 24 A |
| Legal Subdivision | BERKELEY HLNDS |
| Legal Block | A |
| Legal Lot Number | 24 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 392000 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 605 WELLESLEY AVE, KENSINGTON, CA 94708-1009 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 23, 2012 · Amount on Record |
| Deed Sale | Feb 23, 2012 · Amount on Record |
| Prior Sale | Jun 27, 2008 · Amount on Record |
| Deed Document Number | 201240910 |
| Last Transfer Date | Mar 14, 2017 |
| Transfer Doc | 0000049926 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 22, 2017 |
| Property Address | 605 WELLESLEY AVE, KENSINGTON, CA 94708-1009 |
| Document Number | 0000049926 |
| Instrument Date | Mar 14, 2017 |
| Instrument | 49926 |
| Transaction Type | Transfer |
| Record Updated | Mar 28, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 605 WELLESLEY AVE KENSINGTON CA 947081009, KENSINGTON, CA 94708-1009 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $864,783 (+2%) Land $796,887 Building $67,896 | |
| 2025 | $12,715.00 (+4.25%) | $847,827 (+4.04%) Land $781,262 Building $66,565 |
| 2023 | $12,197.00 (+1.51%) | $814,907 Land $750,926 Building $63,981 |
| 2022 | $12,015.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1983) |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
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 | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within 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 583 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, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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