Sonoma County property record for 388 Grant Ave, Petaluma, CA 94952
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,742 sqft · built 1973 |
| Lot Size | 0.253 acres (11,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $687,000 (Dec 2015) |
| Tax Bill | $9,419 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 008-433-030-000 |
| Primary APN | 008-433-030-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 1,742 sqft Living Area |
| 1st Floor Area | 1,742 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 11,000 sqft (0.253 acres) |
| Garage Area | 552 sqft |
| Cooling System | HVAC |
|---|
| Old Parcel Number | 008-433-030 |
|---|---|
| Street Address | 388 GRANT AVE |
| City | PETALUMA |
| State | CA |
| Zip | 94952-4871 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | CITYPE |
| Legal Description | 74 FORM PT OF 8-433-11 PER M/D |
| Legal Subdivision | WESTLAKE |
| Legal Block | 2 |
| Legal Lot Number | 4 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 150702 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 388 GRANT AVE, PETALUMA, CA 94952-4871 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 9, 2015 · Amount on Record |
| Deed Sale | Dec 9, 2015 · Amount on Record |
| Prior Sale | May 2, 1997 · Amount on Record |
| Deed Document Number | 2015105096 |
| Prior Transfer Date | Sep 4, 1997 |
| Prior Transfer Doc | 0000084968 |
| 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 | $829,526 (+2%) Land $332,052 Building $497,474 | |
| 2025 | $9,419.00 (+9.69%) | $813,262 (+4.04%) Land $325,542 Building $487,720 |
| 2023 | $8,587.00 (+0.87%) | $781,683 Land $312,901 Building $468,782 |
| 2022 | $8,513.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 | 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 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 557 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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