San Luis Obispo County property record for 16650 Walnut Ave, Atascadero, CA 93422
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,575 sqft · built 1920 |
| Lot Size | 0.66 acres (28,750 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $1,543 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 059-481-009 |
| Primary APN | 059-481-009 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,575 sqft Living Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Construction Type | Wood |
| Lot Area | 28,750 sqft (0.66 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Sewer | Septic |
| Street Address | 16650 WALNUT AVE |
|---|---|
| City | ATASCADERO |
| State | CA |
| Zip | 93422-6616 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RS |
| Legal Description | ATAS STA MARG PTN BL 107 |
| Legal Subdivision | ATASCADERO-SANTA MA |
| Legal Block | 107 |
| Jurisdiction | SAN LUIS OBISPO CA |
| Township / Civil Division | ATASCADERO |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 12705 |
Source: San Luis Obispo County records, as of August 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 16650 WALNUT AVE, ATASCADERO, CA 93422-6616 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Oct 1, 2007 |
| Transfer Doc | 0000069216 |
| Record Updated | Sep 20, 2026 |
Source: San Luis Obispo County assessment roll, as of August 6, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Luis Obispo County |
| Unified School District | Atascadero Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $144,982 (+2%) Land $51,774 Building $93,208 | |
| 2025 | $1,543.00 (+5.11%) Homeowner's exemption | $142,140 (+4.04%) Land $50,759 Building $91,381 |
| 2023 | $1,468.00 (+1.38%) Homeowner's exemption | $136,623 Land $48,789 Building $87,834 |
| 2022 | $1,448.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective July 22, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 50 policies |
| Nearby Flood Policies | 50 in force |
| Nearby Flood Claims | 9 (2023) |
| Claims Outside the SFHA | 2 of 9 |
| Most Recent Claim | Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 | High above 80% of the US · above 58% of California |
|---|---|
| Wildfire Likelihood | 0.8% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | GARDEN FARMS C.W.D. private · serves 440 people · EPA ID CA4000507 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| 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.
Source: FCC Broadband Data Collection, based on 49 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| Ranch Wifi Fixed Wireless | 100 / 20 |
May also be available: Surfnet Communications.
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