Tuolumne County property record for 21070 Niagara River Dr, Sonora, CA 95370
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,224 sqft · built 1979 |
| Lot Size | 0.319 acres (13,888 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $447,500 (Jun 2025) |
| Tax Bill | $4,126 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Apr 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 081-023-007-000 |
| Primary APN | 081-023-007-000 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 2,224 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Modern |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 13,888 sqft (0.319 acres) |
| Cooling System | None |
|---|
| Old Parcel Number | 081-023-007 |
|---|---|
| Street Address | 21070 NIAGARA RIVER DR |
| City | SONORA |
| State | CA |
| Zip | 95370-9102 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-1,MX |
| Legal Description | CRYSTAL FALLS RANCH 1A L20 |
| Legal Subdivision | CRYSTAL FALLS RANCH 1A |
| Legal Lot Number | 20 |
| Jurisdiction | TUOLUMNE CA |
| Township / Civil Division | EAST SONORA-PHOENIX LAKE |
| Census Block Group | 3 |
| Census Block | 3024 |
| Census Tract | 2201 |
21070 Niagara River Dr is owned and occupied by two individuals who bought it in June 2025.
Source: Tuolumne County records, as of July 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21070 NIAGARA RIVER DR, SONORA, CA 95370-9102 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Apr 9, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 2, 2025 · Amount on File |
| Deed Sale | Jun 2, 2025 · Amount on File |
| Prior Sale | Aug 14, 2009 · Amount on File |
| Deed Document Number | 20254762 |
| Prior Transfer Date | May 16, 2024 |
| Prior Transfer Doc | 0000004034 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TUOLUMNE CA |
| Property Address | 21070 NIAGARA RIVER DR, SONORA, CA 95370-9102 |
| Transaction Type | Mortgage |
| Record Updated | May 18, 2021 |
| Title Company | AMROCK INC, AMROCK |
| Name | Verified Name |
|---|---|
| Address | 21070 NIAGARA RIVER DR, SONORA, CA 95370-9102 |
| Document Number | 0000007048 |
|---|---|
| Date | May 4, 2021 |
| Instrument | 2021007048 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 239 Months |
| Due | Apr 1, 2041 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | TUOLUMNE CA |
| Property Address | 21070 NIAGARA RIVER DR, SONORA, CA 95370-9102 |
| Document Number | 0000004616 |
| Instrument Date | Apr 9, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 8, 2020 |
| Title Company | SPL EXPRESS INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 21070 NIAGARA RIVER DR SONORA CA 953709102, SONORA, CA 95370-9102 |
| Document Number | 0000004616 |
|---|---|
| Date | Apr 24, 2020 |
| Instrument | 4616 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 240 Months |
| Due | Apr 23, 2040 |
The 2025 property tax bill for 21070 Niagara River Dr was $4,126 with a veteran's exemption.
Source: Tuolumne County assessment roll, as of July 7, 2026
| Type | Name |
|---|---|
| State | California |
| County | Tuolumne County |
| Secondary School District | Sonora Union High School District (09 - 12) |
| Elementary School District | Soulsbyville Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $456,450 (+15.94%) Land $81,600 Building $374,850 | ||
| 2025 | $4,126.00 Homeowner's exemption | $393,692 Land $96,807 Building $296,885 | |
| 2023 | $3,962.00 Homeowner's exemption | $378,406 Land $93,049 Building $285,357 | $490,320 |
| 2022 | $3,962.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21070 Niagara River Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2023.
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 |
| Nearby Flood Claims | 1 (2023) |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 21070 Niagara River Dr is high, ranking above 78% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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: FCC Broadband Data Collection, based on 129 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 |
| Cal.net Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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