Sonoma County property record for 646 Crestmont Dr, Santa Rosa, CA 95409
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3.5 ba · 2,302 sqft · built 1978 |
| Lot Size | 0.266 acres (11,600 sqft) |
| Owner | Company Name on Record |
| Last Sale | $285,000 (Nov 1998) |
| Tax Bill | $5,359 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 153-470-040-000 |
| Primary APN | 153-470-040-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 2,302 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Duplex Single |
| Construction Type | Wood |
| Lot Area | 11,600 sqft (0.266 acres) |
| Cooling System | None |
|---|---|
| Heating System | Central |
| Old Parcel Number | 153-470-040 |
|---|---|
| Street Address | 646 CRESTMONT DR |
| City | SANTA ROSA |
| State | CA |
| Zip | 95409-2830 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | CITYSR |
| Legal Description | REMAP FROM 030-561-040-000 - 08/11/98 |
| Legal Subdivision | PIEDMONT SUBDIVISION #2 |
| Legal Block | 2 |
| Legal Lot Number | 40 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | SANTA ROSA |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 152601 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 706 BELVEDERE WAY, SANTA ROSA, CA 95404-2202 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 13, 1998 · Amount on Record |
| Deed Sale | Nov 13, 1998 · Amount on Record |
| Deed Document Number | 1998135049 |
| Prior Transfer Date | May 12, 1994 |
| Prior Transfer Doc | 0000067651 |
| Record Updated | Oct 29, 2026 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Santa Rosa City |
| Elementary School District | Rincon Valley Union Elementary School District (KG - 06) |
| Secondary School District | Santa Rosa High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $455,564 (+2%) Land $143,906 Building $311,658 | |
| 2025 | $5,359.00 (+5.53%) | $446,633 (+4.04%) Land $141,085 Building $305,548 |
| 2023 | $5,078.00 (+4.23%) | $429,291 Land $135,607 Building $293,684 |
| 2022 | $4,872.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective February 15, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 42% of the US · lower than 75% of California |
|---|---|
| Wildfire Likelihood | 0.07% 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 | CITY OF SANTA ROSA serves 178,452 people · EPA ID CA4910009 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2023 |
| Lead | 1 ppb (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.
Source: FCC Broadband Data Collection, based on 639 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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