Sonoma County property record for 18170 Arnold Dr, Sonoma, CA 95476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,360 sqft · built 1956 |
| Lot Size | 0.335 acres (14,574 sqft) |
| Owner | Company Name on File |
| Last Sale | $230,000 (Aug 1999) |
| Tax Bill | $5,696 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-152-016-000 |
| Primary APN | 052-152-016-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,360 sqft Living Area |
| 1st Floor Area | 1,360 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | L-Shape |
| Lot Area | 14,574 sqft (0.335 acres) |
| Heating System | Central |
|---|
| Old Parcel Number | 052-152-016 |
|---|---|
| Street Address | 18170 ARNOLD DR |
| City | SONOMA |
| State | CA |
| Zip | 95476-4053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15UA |
| Legal Description | 93 FM 52-151-99 # CHG PER MD |
| Legal Subdivision | CARLSHEIM |
| Legal Block | 2 |
| Legal Lot Number | 20,21 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SONOMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150303 |
Source: Sonoma County assessment roll, APN 052-152-016-000, as of April 13, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1446, SONOMA, CA 95476-1446 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 25, 1999 · Amount on Record |
| Deed Sale | Aug 25, 1999 · Amount on Record |
| Deed Document Number | 1999108589 |
| Last Transfer Date | Mar 31, 2004 |
| Transfer Doc | 0000053987 |
| Record Updated | Jun 08, 2026 |
Source: Sonoma County assessment roll as of April 13, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Unified School District | Sonoma Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,696.00 (+5.48%) | $353,491 (+4.04%) Land $138,316 Building $215,175 |
| 2023 | $5,400.00 (+3.25%) | $339,766 Land $132,946 Building $206,820 |
| 2022 | $5,230.00 |
Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), as of February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971503032, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (2025) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2025 · other causes |
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, 405 locations within half a mile, as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Starlink Satellite | 280 / 30 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile USA, Verizon.
Source: EPA Safe Drinking Water Information System, water system CA4910013, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | VALLEY OF THE MOON WATER DISTRICT serves 23,140 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2022 |
| Lead | Under 1 ppb (2024–2026) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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