Sonoma County property record for 307 12th St, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,664 sqft · built 1903 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $775,000 (Sep 2016) |
| Tax Bill | $11,116 (2025) |
| Deeds & Mortgages | Apr 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-382-012-000 |
| Primary APN | 008-382-012-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 3 Rooms |
| Stories | 2 Stories |
| Building Area | 1,664 sqft Living Area |
| 1st Floor Area | 1,014 sqft |
| Basement Area | 244 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1943 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 6,000 sqft (0.138 acres) |
| Cooling System | HVAC |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 008-382-012 |
|---|---|
| Street Address | 307 12TH ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-4105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | LOT 15 BLK 8 SUNNYSLOPE ADDITION |
| Legal Subdivision | SUNNYSLOPE ADDITION |
| Legal Block | 8 |
| Legal Lot Number | 15 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 150701 |
Source: Sonoma County records, as of September 14, 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 Record |
|---|---|
| Mailing Address | 307 12TH ST, PETALUMA, CA 94952-4105 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 23, 2016 · Amount on Record |
| Deed Sale | Sep 23, 2016 · Amount on Record |
| Deed Document Number | 201684262 |
| Prior Transfer Date | Jan 10, 2011 |
| Prior Transfer Doc | 0000022772 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Apr 9, 2026 |
| Property Address | 307 12TH ST, PETALUMA, CA 94952-4105 |
| Document Number | 0000017296 |
| Instrument Date | Apr 9, 2026 |
| Instrument | 202617296 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 307 12TH ST, PETALUMA, CA 94952-4105 |
Source: Sonoma County assessment roll, as of September 1, 2026
| Type | Name |
|---|---|
| State | California |
| County | Sonoma County |
| Municipality | Petaluma City |
| Elementary School District | Petaluma City Elementary School District (KG - 06) |
| Secondary School District | Petaluma Joint Union High School District (07 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $989,944 (+2%) Land $366,974 Building $622,970 | |
| 2025 | $11,116.00 (+9.59%) Homeowner's exemption | $970,534 (+4.04%) Land $359,779 Building $610,755 |
| 2023 | $10,143.00 (+0.89%) Homeowner's exemption | $932,849 Land $345,809 Building $587,040 |
| 2022 | $10,054.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 3 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 | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Direct burnable vegetation |
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 PETALUMA serves 61,427 people · EPA ID CA4910006 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2024 |
| Lead | Under 1 ppb (2021–2023) 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 628 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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