Tuolumne County property record for 21340 Crystal Rock Rd, Sonora, CA 95370
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,235 sqft · built 2003 |
| Lot Size | 3.63 acres (158,123 sqft) |
| Owner | Trust Name on File |
| Last Sale | $445,000 (May 2015) |
| Tax Bill | $5,758 (2025) |
| Deeds & Mortgages | May 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 032-302-023-000 |
| Primary APN | 032-302-023-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 2,235 sqft Living Area |
| 1st Floor Area | 2,235 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Construction Type | Wood |
| Lot Area | 158,123 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 032-302-023 |
|---|---|
| Street Address | 21340 CRYSTAL ROCK RD |
| City | SONORA |
| State | CA |
| Zip | 95370-8064 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE-5,AIR |
| Legal Description | PAR A-2 PM 26-9 POR SEC 22 TN R14E 3.632AC |
| Legal Subdivision | MT. BROW |
| Jurisdiction | TUOLUMNE CA |
| Township / Civil Division | SONORA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 5102 |
21340 Crystal Rock Rd is held in a trust since May 2020.
Source: Tuolumne County records, as of July 7, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3985 WHITTLE AVE, OAKLAND, CA 94602-2433 |
| 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 | May 1, 2015 · Amount on File |
| Deed Sale | May 1, 2015 · Amount on File |
| Prior Sale | Apr 15, 2010 · Amount on File |
| Deed Document Number | 20155532 |
| Last Transfer Date | May 11, 2020 |
| Transfer Doc | 0000005718 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | TUOLUMNE CA |
| Recording Date | May 27, 2020 |
| Property Address | 21340 CRYSTAL ROCK RD, SONORA, CA 95370-8064 |
| Document Number | 0000005718 |
| Instrument Date | May 11, 2020 |
| Instrument | 5718 |
| Transaction Type | Transfer |
| Record Updated | Jun 8, 2020 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 3985 WHITTLE AVE OAKLAND CA 946022433, OAKLAND, CA 94602-2433 |
The 2025 property tax bill for 21340 Crystal Rock Rd was $5,758.
Source: Tuolumne County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | California |
| County | Tuolumne County |
| Elementary School District | Columbia Union Elementary School District (KG - 08) |
| Secondary School District | Sonora Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $545,505 (+2%) Land $165,486 Building $380,019 | ||
| 2025 | $5,758.00 | $534,810 Land $162,242 Building $372,568 | |
| 2023 | $5,549.00 (+1.97%) | $514,044 Land $155,943 Building $358,101 | $622,530 |
| 2022 | $5,442.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21340 Crystal Rock Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 21, 2022 · 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 |
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 21340 Crystal Rock Rd is very high, ranking above 91% of the US, with a 0.8% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Very High above 91% of the US · above 75% of California |
|---|---|
| Wildfire Likelihood | 0.8% annual chance |
| Exposure | Direct burnable vegetation |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 15 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
May also be available: AT&T, Conifer Communications, Verizon, Xfinity.
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