Sonoma County property record for 18 Brookside Way, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,502 sqft · built 1952 |
| Lot Size | 0.19 acres (8,276 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $15,331 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-391-059-000 |
| Primary APN | 008-391-059-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,502 sqft Living Area |
| 1st Floor Area | 1,502 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Custom Design |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 8,276 sqft (0.19 acres) |
| Garage Type | Carport |
| Garage Area | 240 sqft |
| Carport | Carport |
| Carport Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Old Parcel Number | 008-391-059 |
|---|---|
| Street Address | 18 BROOKSIDE WAY |
| City | PETALUMA |
| State | CA |
| Zip | 94952-4909 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | MAP F6 183 |
| Legal Subdivision | WEAHUNT SUBDIVISION |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 150701 |
Source: Sonoma County records, as of September 1, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 477 RONSHEIMER RD, PENNGROVE, CA 94951-8638 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 6, 2002 |
| Transfer Doc | 0000006220 |
| Record Updated | Oct 29, 2026 |
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 | $790,599 (-40.86%) Land $318,362 Building $472,237 | |
| 2025 | $15,331.00 (+989.62%) | $1,336,914 (+1,047.15%) Land $400,554 Building $936,360 |
| 2023 | $1,407.00 (+0.79%) | $116,542 Land $24,404 Building $92,138 |
| 2022 | $1,396.00 |
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 500 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 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | None beyond 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 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 379 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom, T-Mobile.
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