21757 el Oso Way, Sonora, CA 95370 Property Records

Tuolumne County property record for 21757 el Oso Way, Sonora, CA 95370

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,246 sqft · built 1984
Lot Size	0.327 acres (14,240 sqft)
Owner	Individual Name on File
Last Sale	$371,500 (Oct 2022)
Tax Bill	$3,959 (2025)
Deeds & Mortgages	Oct 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`085-240-021-000`

Property Details

APN / Parcel Number

Primary APN	`085-240-021-000`
Alternative APNs	`085-240-021` `0852402100`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	2 Stories
Building Area	2,246 sqft Living Area
Gross Area	2,780 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Modern
Exterior Material	Wood
Construction Type	Wood
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	14,240 sqft (0.327 acres)
Garage Type	Attached
Garage Area	534 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	085-240-021
Street Address	21757 EL OSO WAY
City	SONORA
State	CA
Zip	95370-9654
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1,MX
Legal Description	PHOENIX LAKE C C ESTATES 3 L321
Legal Subdivision	PHOENIX
Legal Lot Number	321
Jurisdiction	TUOLUMNE CA
Township / Civil Division	EAST SONORA-PHOENIX LAKE
Census Block Group	1
Census Block	1013
Census Tract	2202

Owner

21757 el Oso Way is owned and occupied by an individual who bought it in October 2022.

Source: Tuolumne County records, as of July 7, 2026

Owner of Record	Individual Name on File
Mailing Address	7950 KEMPER CT, PLEASANTON, CA 94588-3112
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 6, 2022 · Amount on File
Deed Sale	Oct 6, 2022 · Amount on File
Deed Document Number	202211778
Record Updated	Sep 20, 2026

October 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	TUOLUMNE CA
Recording Date	Oct 6, 2022
Property Address	21757 EL OSO WAY, SONORA, CA 95370-9654
Document Number	0000011778
Map Reference	VOL 4 PG 91-93
Instrument Date	Oct 3, 2022
Instrument	2022011778
Transaction Type	Transfer
Record Updated	Oct 26, 2022
Title Company	YOSEMITE TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7950 KEMPER CT, PLEASANTON, CA 94588-3112

Tax Assessment & Valuation

The 2025 property tax bill for 21757 el Oso Way was $3,959 with a homeowner's exemption.

Source: Tuolumne County assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	California
County	Tuolumne County
Elementary School District	Curtis Creek Elementary School District (KG - 08)
Secondary School District	Sonora Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$393,732 (+2%) Land $63,672 Building $330,060
2025	$3,959.00 Homeowner's exemption	$386,013 Land $62,424 Building $323,589
2023	$3,805.00 (+56.39%) Homeowner's exemption	$371,025 Land $60,000 Building $311,025	$373,950
2022	$2,433.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 21757 el Oso Way 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	2 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

Wildfire risk around 21757 el Oso Way is high, ranking above 88% of the US, with a 0.9% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 88% of the US · above 70% of California
Wildfire Likelihood	0.9% 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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	PHOENIX LAKE ESTATES CC MWC private · serves 1,168 people · EPA ID CA5510026
Water Source	Groundwater
Last State Inspection	Jul 2025
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 121 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