San Joaquin County property record for 91 Mount Oso Ave, Tracy, CA 95376
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,576 sqft · built 1955 |
| Lot Size | 0.96 acres (41,818 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $35,000 (Aug 2001) |
| Tax Bill | $1,901 (2026) |
| Deeds & Mortgages | May 2020 Mortgage Aug 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 235-100-410-000 |
| Primary APN | 235-100-410-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,576 sqft Living Area |
| 1st Floor Area | 1,576 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 41,818 sqft (0.96 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | None |
|---|
| Old Parcel Number | 235-100-41 |
|---|---|
| Street Address | 91 MOUNT OSO AVE |
| City | TRACY |
| State | CA |
| Zip | 95376-4639 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 80-ACREAGE CHANGED PER PM 6-177 & 79076407 |
| Legal Subdivision | MOUNTAIN VIEW ACRES |
| Legal Block | 1 |
| Legal Lot Number | B |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1033 |
| Census Tract | 5406 |
Source: San Joaquin County records, as of October 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 91 MOUNT OSO AVE, TRACY, CA 95376-4639 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 14, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PLAZA HOME MORTGAGE INC |
| Aug 16, 2019 | Deed of Trust, Mortgage · Conventional Mortgage PLAZA HOME MORTGAGE INC |
| Sep 11, 2018 | Intrafamily Transfer, Transfer · Conventional Mortgage PLAZA HOME MORTGAGE INC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 1, 2001 · Amount on Record |
| Deed Sale | Aug 1, 2001 · Amount on Record |
| Deed Document Number | 2001123236 |
| Last Transfer Date | Sep 5, 2018 |
| Transfer Doc | 0000101101 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Property Address | 91 MOUNT OSO AVE, TRACY, CA 95376-4639 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000056914 |
|---|---|
| Date | May 14, 2020 |
| Instrument | 2020-056914 |
| Name | PLAZA HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92121 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Property Address | 91 MOUNT OSO AVE, TRACY, CA 95376-4639 |
| Transaction Type | Mortgage |
| Record Updated | Jul 25, 2022 |
| Title Company | CHICAGO TITLE CO STOCKTON |
| Name | Verified Name |
|---|
| Document Number | 0000088443 |
|---|---|
| Date | Aug 16, 2019 |
| Instrument | 2019-088443 |
| Name | PLAZA HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92121 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2049 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Recording Date | Sep 11, 2018 |
| Property Address | 91 MOUNT OSO AVE, TRACY, CA 95376-4639 |
| Document Number | 0000101101 |
| Map Reference | MB 6 PG 177 |
| Instrument Date | Sep 5, 2018 |
| Instrument | 2018-101101 |
| Transaction Type | Transfer |
| Record Updated | Jul 25, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 91 MOUNT OSO AVE, TRACY, CA 95376-4639 |
| Document Number | 0000101102 |
|---|---|
| Date | Sep 11, 2018 |
| Instrument | 2018-101102 |
| Name | PLAZA HOME MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2048 |
Source: San Joaquin County assessment roll, as of September 24, 2025
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Municipality | Tracy City |
| Unified School District | Tracy Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,901.00 (+0.05%) | ||
| 2025 | $1,900.00 (+10.27%) Homeowner's exemption | $168,923 (+4.04%) Land $53,277 Building $115,646 | |
| 2023 | $1,723.00 (+2.13%) Homeowner's exemption | $162,365 Land $51,209 Building $111,156 | $475,920 |
| 2022 | $1,687.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 27, 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 |
| Community Rating System | Class 7 (15% premium discount) |
| 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 | Not rated no burnable land within 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 | CITY OF TRACY serves 98,215 people · EPA ID CA3910011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| 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.
Source: FCC Broadband Data Collection, based on 648 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Matrix Broadband Fixed Wireless | 600 / 120 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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