San Diego County property record for 4101 Alto St, Oceanside, CA 92056
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,480 sqft · built 1970 |
| Lot Size | 0.207 acres (9,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $380,000 (Aug 2003) |
| Tax Bill | $5,878 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 168-070-39-00 |
| Primary APN | 168-070-39-00 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,480 sqft Living Area |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 9,000 sqft (0.207 acres) |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4101 ALTO ST |
|---|---|
| City | OCEANSIDE |
| State | CA |
| Zip | 92056-4616 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE-B |
| Legal Description | LOT 60 TR 006233 |
| Legal Subdivision | MIRA COSTA MESA |
| Legal Tract | 006233 |
| Legal Block | 1 |
| Legal Lot Number | 60 |
| Jurisdiction | SAN DIEGO CA |
| Township / Civil Division | OCEANSIDE-ESCONDIDO |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 19805 |
4101 Alto St is owned by an individual who bought it in August 2003.
Source: San Diego County records, as of July 28, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3353 MOHICAN AVE, SAN DIEGO, CA 92117-6253 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 20, 2003 · Amount on File |
| Deed Sale | Aug 20, 2003 · Amount on File |
| Prior Sale | Apr 29, 2003 · Amount on File |
| Deed Document Number | 20031011049 |
| Prior Transfer Date | Mar 14, 2003 |
| Prior Transfer Doc | 0000498210 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4101 Alto St was $5,878.
Source: San Diego County assessment roll, as of July 28, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Diego County |
| Municipality | Oceanside City |
| Unified School District | Carlsbad Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $551,055 (+2%) Land $362,539 Building $188,516 | |
| 2025 | $5,878.00 | $540,251 Land $355,431 Building $184,820 |
| 2023 | $5,648.00 (+1.58%) | $519,275 Land $341,630 Building $177,645 |
| 2022 | $5,560.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4101 Alto St in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1993.
Source: FEMA National Flood Hazard Layer, effective September 3, 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 |
| Flood Insurance Cost | Premium on File median of 31 individual policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 123 units insured incl. 92 condo units |
| Nearby Flood Claims | 3 (1993–2025) |
| Most Recent Claim | Mar 2025 · other causes |
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 4101 Alto St is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect 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 | La Jolla Eastern tribal government · serves 1,076 people · EPA ID 090605007 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2021 |
| Also Mapped Here | CITY OF OCEANSIDE, SAN DIEGO COUNTY WATER AUTHORITY |
| Lead | Below detection (2023–2025) 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. The service area is an EPA estimate; the actual supplier may differ.
Source: FCC Broadband Data Collection, based on 596 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, Spectrum, T-Mobile.
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