Sonoma County property record for 618 Prospect St, Petaluma, CA 94952
| Property Type | Triplex |
|---|---|
| Details | 3 bd · 2 ba · 1,223 sqft · built 1897 |
| Lot Size | 0.219 acres (9,583 sqft) |
| Owner | Company Name on File |
| Tax Bill | $12,256 (2023) |
| Deeds & Mortgages | Jun 2023 Transfer Jun 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 006-241-027-000 |
| Primary APN | 006-241-027-000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,223 sqft Total Area |
| Gross Area | 3,913 sqft |
| Year Built | Built 1897 |
|---|---|
| Effective Year Built | Effective 1926 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 9,583 sqft (0.219 acres) |
| Garage Area | 552 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 006241027000 |
|---|---|
| Street Address | 618 PROSPECT ST |
| City | PETALUMA |
| State | CA |
| Zip | 94952-2660 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | SUBD:OFFICIAL MAP OF THE CITY OF PETALUMA |
| Legal Subdivision | OFFICIAL MAP OF THE CITY OF PETALUMA |
| Legal Lot Number | 555 |
| Jurisdiction | SONOMA CA |
| Township / Civil Division | PETALUMA |
| Census Block Group | 4 |
| Census Block | 4013 |
| Census Tract | 150902 |
618 Prospect St, a triplex, is owned by a company that acquired it in June 2023.
Source: Sonoma County records, as of October 2, 2023
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 17 HICKORY AVE, CORTE MADERA, CA 94925-1026 |
| Owner Type | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 1, 2023 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE, FIRST AMER TTL CO OF NAPA |
| Jun 1, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Prior Sale | Jun 1, 2023 |
| Record Updated | Jun 7, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 1, 2023 |
| Property Address | 618 PROSPECT ST, PETALUMA, CA 94952-2660 |
| Document Number | 0000024568 |
| Map Reference | MB 197 PG 423 |
| Instrument Date | May 19, 2023 |
| Instrument | 2023024568 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2023 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMER TTL CO OF NAPA |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 17 HICKORY AVE, CORTE MADERA, CA 94925-1026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SONOMA CA |
| Recording Date | Jun 1, 2023 |
| Property Address | 618 PROSPECT ST, PETALUMA, CA 94952-2660 |
| Document Number | 0000024567 |
| Map Reference | MB 197 PG 423 |
| Instrument Date | May 18, 2023 |
| Instrument | 2023024567 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 17 HICKORY AVE, CORTE MADERA, CA 94925-1026 |
Source: Sonoma County assessment roll, as of July 1, 2023
| 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 |
|---|---|---|
| 2023 | $12,256.00 (+0.87%) | $1,119,340 Land $447,734 Building $671,606 |
| 2022 | $12,150.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 618 Prospect St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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.
Wildfire risk around 618 Prospect St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 714 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 in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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