421 Portal St, Cotati, CA 94931 Property Records

Sonoma County property record for 421 Portal St, Cotati, CA 94931

Property Summary

Property Type	Light Industrial
Details	11,660 sqft · built 1987
Lot Size	0.92 acres (40,075 sqft)
Owner	Company Name on File
Last Sale	$1,675,000 (Oct 2019)
Tax Bill	$25,059 (2025)
Deeds & Mortgages	Oct 2019 Sale Jul 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`144-010-017-000`

Property Details

APN / Parcel Number

Primary APN	`144-010-017-000`
Alternative APN	`144-010-017`

Interior

Units	10 Units
Stories	1 Story
Building Area	11,660 sqft Gross Area
1st Floor Area	11,660 sqft

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	L-Shape
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	40,075 sqft (0.92 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	144-010-017
Street Address	421 PORTAL ST
City	COTATI
State	CA
Zip	94931-3050
Property Category	Industrial
Property Type	Industrial > Light Industrial
Local Zoning Code	CITYCO
Legal Description	LOT 2, RC INDUSTRIAL SUBDV NO. 1
Legal Subdivision	RC INDUSTRIAL SUB
Legal Block	3
Legal Lot Number	2
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	3
Census Block	3004
Census Tract	151206

Owner

Source: Sonoma County assessment roll, as of April 13, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	3966 CLEARBROOK CT, SANTA ROSA, CA 95403-0122
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 30, 2019	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO
Jul 6, 2018	Grant Deed, Transfer FIDELITY NATIONAL TITLE

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 30, 2019 · Amount on Record
Deed Sale	Oct 30, 2019 · Amount on Record
Prior Sale	Jul 6, 2018 · Amount on Record
Deed Document Number	201979159
Prior Transfer Date	May 18, 1998
Prior Transfer Doc	0000056284
Record Updated	Jun 8, 2026

October 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Oct 30, 2019
Property Address	421 PORTAL ST, COTATI, CA 94931-3050
Document Number	0000079159
Instrument Date	Oct 22, 2019
Instrument	79159
Transaction Type	Transfer
Record Updated	Nov 19, 2019
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Tax	$1,842.50
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	5470 MONTECITO AVE SANTA ROSA CA 954041954, SANTA ROSA, CA 95404-1954

July 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SONOMA CA
Recording Date	Jul 6, 2018
Property Address	421 PORTAL ST, COTATI, CA 94931-3050
Document Number	0000048638
Instrument Date	Jul 3, 2018
Instrument	48638
Transaction Type	Transfer
Record Updated	Jul 20, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Tax	$2,640.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	200 SPECTRUM CENTER DR #300 IRVINE CA 926185004, 300, IRVINE, CA 92618-5004

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of April 13, 2026

Property Jurisdictions

Type	Name
State	California
County	Sonoma County
Municipality	Cotati City
Unified School District	Cotati-Rohnert Park Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$25,059.00 (+2.89%)	$2,156,583 (+4.04%) Land $874,915 Building $1,281,668
2023	$24,354.00 (+19.4%)	$2,072,842 Land $840,942 Building $1,231,900
2022	$20,397.00

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
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	5 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.

Wildfire

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

Wildfire Risk	Not rated no burnable land within ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF COTATI serves 7,290 people · EPA ID CA4910016
Water Source	Groundwater
Last State Inspection	Aug 2024
Lead	Under 1 ppb (2024–2026) 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 258 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Starlink Satellite	280 / 30

May also be available: AT&T, T-Mobile USA, Verizon.

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