Contra Costa County property record for 18 Hidden Valley Rd, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,932 sqft · built 1947 |
| Lot Size | 0.318 acres (13,860 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,150,000 (Apr 2012) |
| Tax Bill | $19,158 (2025) |
| Deeds & Mortgages | Apr 2020 Line of Credit Apr 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 251-082-005-9 |
| Primary APN | 251-082-005-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,932 sqft Living Area |
| 1st Floor Area | 2,932 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 13,860 sqft (0.318 acres) |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 18 HIDDEN VALLEY RD |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-3346 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | HIDDEN VALLEY ESTATES #2 LOT 73 |
| Legal Subdivision | HIDDEN VALLEY ESTATES #2 |
| Legal Lot Number | 73 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 353002 |
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 | 18 HIDDEN VALLEY RD, LAFAYETTE, CA 94549-3346 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Apr 16, 2020 | Deed of Trust, Mortgage · Line of Credit FIRST REPUBLIC BANK |
| Apr 16, 2020 | Deed of Trust, Mortgage · Conventional Mortgage FIRST REPUBLIC BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 11, 2012 · Amount on Record |
| Deed Sale | Apr 11, 2012 · Amount on Record |
| Prior Sale | Jul 29, 2009 · Amount on Record |
| Deed Document Number | 201282886 |
| Prior Transfer Date | Nov 4, 1999 |
| Prior Transfer Doc | 0000293383 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 18 HIDDEN VALLEY RD, LAFAYETTE, CA 94549-3346 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000072036 |
|---|---|
| Date | Apr 16, 2020 |
| Instrument | 2020-072036 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | Apr 26, 2045 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 18 HIDDEN VALLEY RD, LAFAYETTE, CA 94549-3346 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000072035 |
|---|---|
| Date | Apr 16, 2020 |
| Instrument | 2020-072035 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Address | SAN FRANCISCO, CA 94111 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | May 1, 2035 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,647,944 (+5.13%) Land $896,816 Building $751,128 | |
| 2025 | $19,158.00 (+3.52%) | $1,567,593 (+4.04%) Land $879,232 Building $688,361 |
| 2023 | $18,507.00 (+1.55%) | $1,506,724 Land $845,092 Building $661,632 |
| 2022 | $18,224.00 |
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 |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 10 (1978–2001) |
| Claims Outside the SFHA | 7 of 10 |
| Most Recent Claim | Mar 2001 · rainfall accumulation |
| Claims by Event |
|
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 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond 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 277 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: AT&T, Etheric Networks, Unwired.
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