Contra Costa County property record for 505 Harper Ln, Danville, CA 94526
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 4,371 sqft · built 1982 |
| Lot Size | 0.74 acres (32,234 sqft) |
| Owner | Trust Name on File |
| Last Sale | $15,000 (Jan 1997) |
| Tax Bill | $11,773 (2025) |
| Deeds & Mortgages | Sep 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 201-240-018-6 |
| Primary APN | 201-240-018-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 1 Story |
| Building Area | 4,371 sqft Living Area |
| 1st Floor Area | 3,231 sqft |
| Basement Area | 1,140 sqft |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 32,234 sqft (0.74 acres) |
| Garage Type | Attached |
| Garage Area | 663 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 505 HARPER LN |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-2330 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PCL MAP 59 PG 20 PCL B & POR TR ADJ |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 345204 |
505 Harper Ln is owner-occupied and held in a trust since January 1997.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 505 HARPER LN, DANVILLE, CA 94526-2330 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 7, 1997 · Amount on File |
| Deed Sale | Jan 7, 1997 · Amount on File |
| Deed Document Number | 19973098 |
| Prior Transfer Date | Oct 17, 1995 |
| Prior Transfer Doc | 0000186294 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 505 HARPER LN, DANVILLE, CA 94526-2330 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMERICAN TITLE INC |
| Name | Verified Name |
|---|
| Document Number | 0000178873 |
|---|---|
| Date | Sep 29, 2017 |
| Instrument | 2017-178873 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 20, 2047 |
The 2025 property tax bill for 505 Harper Ln was $11,773 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,017,434 (+2%) Land $202,751 Building $814,683 | |
| 2025 | $11,773.00 Homeowner's exemption | $997,485 Land $198,776 Building $798,709 |
| 2023 | $11,238.00 (+0.76%) Homeowner's exemption | $958,754 Land $191,058 Building $767,696 |
| 2022 | $11,153.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 505 Harper Ln 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 505 Harper Ln is moderate, ranking above 66% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 66% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 320 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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