321 S Main St, Sebastopol, CA 95472 Property Records

Sonoma County property record for 321 S Main St, Sebastopol, CA 95472

Property Summary

Property Type	Commercial Office
Details	1,399 sqft · built 1907
Lot Size	0.08 acres (3,484 sqft)
Owner	Company Name on File
Last Sale	$225,000 (Jul 2018)
Tax Bill	$6,565 (2025)
Deeds & Mortgages	Jun 2019 Transfer Jul 2018 Sale
Flood Zone	Zone X (moderate risk)
APN	`004-071-005-000`

Property Details

APN / Parcel Number

Primary APN	`004-071-005-000`
Alternative APN	`004-071-005`

Interior

Stories	1 Story
Building Area	1,399 sqft Gross Area
1st Floor Area	1,399 sqft

Exterior

Year Built	Built 1907
Effective Year Built	Effective 1970
Architectural Style	Custom Design
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	3,484 sqft (0.08 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	004-071-005
Street Address	321 S MAIN ST
City	SEBASTOPOL
State	CA
Zip	95472-4208
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	CITYSE
Legal Subdivision	SANDBORNS SUB/ROBINSON RANCH
Legal Block	1
Legal Lot Number	9
Jurisdiction	SONOMA CA
Township / Civil Division	SEBASTOPOL
Census Block Group	1
Census Block	1029
Census Tract	153406

Owner

321 S Main St, a commercial property, is owned by a company that bought it in July 2018.

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on File
Mailing Address	300 DOUGLAS DR, SOQUEL, CA 95073-2521
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Jun 25, 2019	Quit Claim Deed, Transfer ATTORNEY ONLY
Jul 9, 2018	Grant Deed, Transfer FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 9, 2018 · Amount on File
Deed Sale	Jul 9, 2018 · Amount on File
Deed Document Number	201848780
Prior Transfer Date	Jun 23, 2000
Prior Transfer Doc	0000067421
Record Updated	Oct 29, 2026

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Jun 25, 2019
Property Address	321 S MAIN ST, SEBASTOPOL, CA 95472-4208
Document Number	0000042540
Instrument Date	Jun 8, 2019
Instrument	42540
Transaction Type	Transfer
Record Updated	Jul 9, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	300 DOUGLAS DR SOQUEL CA 950732521, SOQUEL, CA 95073-2521

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jul 9, 2018
Property Address	321 S MAIN ST, SEBASTOPOL, CA 95472-4208
Document Number	0000048780
Instrument Date	Jun 25, 2018
Instrument	48780
Transaction Type	Transfer
Record Updated	Jul 20, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Tax	$495.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	509 HILL ST CAPITOLA CA 950103606, CAPITOLA, CA 95010-3606

Tax Assessment & Valuation

The 2025 property tax bill for 321 S Main St was $6,565.

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

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Sebastopol City
Secondary School District	West Sonoma County Union High School District (09 - 12)
Elementary School District	Sebastopol Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$512,015 (+2%) Land $153,603 Building $358,412
2025	$6,565.00	$501,977 Land $150,592 Building $351,385
2023	$5,713.00 (+0.55%)	$482,488 Land $144,746 Building $337,742
2022	$5,682.00

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

Flood

FEMA maps place 321 S Main St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 44 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	44 in force
Nearby Flood Claims	4 (2005–2019)
Most Recent Claim	Feb 2019 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Feb 2019 · 3 claims

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

Wildfire risk around 321 S Main St is low, with a 0.05% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 63% of the US · lower than 78% of California
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect within 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 SEBASTOPOL serves 7,522 people · EPA ID CA4910011
Water Source	Groundwater
Lead	Under 1 ppb (2022–2024) 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 623 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Sonic Telecom Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
AT&T DSL	100 / 20

May also be available: GeoLinks, T-Mobile.

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