620 Prospect St, Petaluma, CA 94952 Property Records

Sonoma County property record for 620 Prospect St, Petaluma, CA 94952

Property Summary

Property Type	Duplex
Details	2 bd · 1.5 ba · 2,138 sqft · built 1982
Lot Size	0.11 acres (4,800 sqft)
Owner	2 Company Names on Record
Last Sale	$1,175,000 (Mar 2025)
Flood Zone	Zone X (minimal risk)
APN	`006-241-041-000`

Property Details

APN / Parcel Number

Primary APN	`006-241-041-000`
Alternative APN	`006-241-041`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,138 sqft Living Area
Gross Area	2,690 sqft

Exterior

Year Built	Built 1982
Effective Year Built	Effective 2012
Architectural Style	Duplex Single
Lot Area	4,800 sqft (0.11 acres)
Garage Type	Attached
Garage Area	552 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Old Parcel Number	006-241-041
Street Address	620 PROSPECT ST, A
City	PETALUMA
State	CA
Zip	94952-2660
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	2024 SPLIT PER PM 419, PCL 1
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	4
Census Block	4013
Census Tract	150902

Owner

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	3573 KELSEY KNLS, SANTA ROSA, CA 95403-0125
Owner Type	Company
Vesting	Life Tenant

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 19, 2025 · Amount on Record
Deed Sale	Mar 19, 2025 · Amount on Record
Deed Document Number	202511635
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

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)

Tax Bill & Assessment History

Year	Assessed Value
2026	$1,198,500 (+25.4%) Land $479,400 Building $719,100
2025	$955,770 Land $227,490 Building $728,280

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

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

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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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