Contra Costa County property record for 99 Crystal Cir, Hercules, CA 94547
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,337 sqft · built 1985 |
| Lot Size | 0.052 acres (2,250 sqft) |
| Owner | Individual Name on File |
| Last Sale | $226,500 (May 2010) |
| Tax Bill | $5,330 (2025) |
| Deeds & Mortgages | Aug 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 407-021-001 |
| Primary APN | 407-021-001 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,337 sqft Living Area |
| 1st Floor Area | 632 sqft |
| 2nd Floor Area | 705 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Townhouse |
| Lot Area | 2,250 sqft (0.052 acres) |
| Garage Type | Attached |
| Garage Area | 498 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 99 CRYSTAL CIR |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-1705 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | R1 |
| Legal Description | T05302 L0030 B |
| Legal Subdivision | SUBDIVISION 5302 |
| Legal Tract | 05302 |
| Legal Lot Number | 30 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 359204 |
Source: Contra Costa County assessment roll, 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 | Individual Name on File |
|---|---|
| Mailing Address | 99 CRYSTAL CIR, HERCULES, CA 94547-1705 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 7, 2010 · Amount on Record |
| Deed Sale | May 7, 2010 · Amount on Record |
| Prior Sale | Jul 19, 2000 · Amount on Record |
| Deed Document Number | 201091721 |
| Prior Transfer Date | May 5, 2010 |
| Prior Transfer Doc | 0000091720 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 99 CRYSTAL CIR, HERCULES, CA 94547-1705 |
| Document Number | 0000184570 |
| Instrument Date | Aug 3, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Sep 16, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 99 CRYSTAL CIR HAYWARD CA 94542, HAYWARD, CA 94542 |
| Document Number | 0000184570 |
|---|---|
| Date | Aug 27, 2020 |
| Instrument | 184570 |
| Name | WILLIAM H HINTON |
|---|---|
| Address | PO BOX 1063, SAUSALITO, CA 94966-1063 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Hercules City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $297,807 (+2%) Land $39,491 Building $258,316 | |
| 2025 | $5,330.00 (+7.14%) Homeowner's exemption | $291,968 (+4.04%) Land $38,717 Building $253,251 |
| 2023 | $4,975.00 (+1.16%) Homeowner's exemption | $280,632 Land $37,214 Building $243,418 |
| 2022 | $4,918.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 232 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Unwired.
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