445 Portal St, Cotati, CA 94931 Property Records

Sonoma County property record for 445 Portal St, Cotati, CA 94931

Property Summary

Property Type	Warehouse, Storage
Details	13,038 sqft · built 1985
Lot Size	0.829 acres (36,100 sqft)
Owner	2 Company Names on Record
Last Sale	$192,500 (May 2025)
Tax Bill	$13,426 (2025)
Deeds & Mortgages	May 2022 Transfer May 2022 Sale & Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`144-010-018-000`

Property Details

APN / Parcel Number

Primary APN	`144-010-018-000`
Alternative APN	`144-010-018`

Interior

Stories	1 Story
Building Area	13,038 sqft Gross Area
1st Floor Area	13,038 sqft

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1986
Architectural Style	Custom Design
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	36,100 sqft (0.829 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Central

Location & Zoning

Old Parcel Number	144-010-018
Street Address	445 PORTAL ST
City	COTATI
State	CA
Zip	94931-3044
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Local Zoning Code	M1
Legal Description	RC INDUSTRIAL PARK 1 LOT 3
Legal Subdivision	RC INDUSTRIAL PARK
Legal Block	3
Legal Lot Number	3
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	3
Census Block	3004
Census Tract	151206

Owner

Source: Sonoma County records, 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	2 Company Names on Record
Mailing Address	445 PORTAL ST, COTATI, CA 94931-3044
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 5, 2022	Intrafamily Transfer, Transfer NORTHEAST TITLE COMPANY, NORTH COAST TITLE CO
May 4, 2022	Warranty Deed, Transfer · Stand-Alone First Mortgage LOWPENSKY FAMILY INVESTMENT PARTNER
Jan 13, 2022	Intrafamily Transfer, Transfer
Nov 20, 2020	Quit Claim Deed, Transfer NOT AVAILABLE
Nov 29, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 27, 2025 · Amount on Record
Deed Sale	May 27, 2025 · Amount on Record
Prior Sale	May 4, 2022 · Amount on Record
Deed Document Number	202523705
Prior Transfer Date	May 5, 2022
Prior Transfer Doc	0000032441
Record Updated	Sep 20, 2026

May 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	May 5, 2022
Property Address	445 PORTAL ST, COTATI, CA 94931-3044
Document Number	0000032441
Map Reference	MB 297 PG 1&2
Instrument Date	May 5, 2022
Instrument	2022032441
Transaction Type	Transfer
Record Updated	Sep 28, 2023
Title Company	NORTHEAST TITLE COMPANY, NORTH COAST TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4916 EVERGLADE DR, SANTA ROSA, CA 95409-2768

May 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	SONOMA CA
Recording Date	May 4, 2022
Property Address	445 PORTAL ST, COTATI, CA 94931-3044
Document Number	0000031914
Map Reference	MB 297 PG 1&2
Instrument Date	Apr 29, 2022
Instrument	2022031914
Transaction Type	Transfer
Record Updated	Sep 28, 2023
Title Company	NORTHEAST TITLE COMPANY, NORTH COAST TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$228.80
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4916 EVERGLADE DR, SANTA ROSA, CA 95409-2768

Mortgage

Document Number	0000031915
Date	May 4, 2022
Instrument	2022031915

Lender

Name	LOWPENSKY FAMILY INVESTMENT PARTNER
Type	Non-Lending Institution

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

January 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jan 13, 2022
Property Address	445 PORTAL ST, COTATI, CA 94931-3044
Document Number	0000002891
Map Reference	MB 297 PG 1&2
Instrument Date	Jan 12, 2022
Instrument	2022002891
Transaction Type	Transfer
Record Updated	Sep 28, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4916 EVERGLADE DR, SANTA ROSA, CA 95409-2768

November 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Nov 20, 2020
Property Address	445 PORTAL ST, COTATI, CA 94931-3044
Document Number	0000110114
Instrument Date	Oct 17, 2020
Instrument	110114
Transaction Type	Transfer
Record Updated	Dec 15, 2020
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	4916 EVERGLADE DR SANTA ROSA CA 954092768, SANTA ROSA, CA 95409-2768

November 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Nov 29, 2018
Property Address	445 PORTAL ST, COTATI, CA 94931-3044
Document Number	0000081726
Instrument Date	Oct 5, 2018
Instrument	81726
Transaction Type	Transfer
Record Updated	Dec 17, 2018
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	Limited Partnership
Address	445 PORTAL ST COTATI CA 949313044, COTATI, CA 94931-3044

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	$13,426.00 (+17.7%)	$1,136,563 (+19.58%) Land $369,275 Building $767,288
2023	$11,407.00 (+1.76%)	$950,424 Land $303,422 Building $647,002
2022	$11,210.00

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	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 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, Verizon.

Nearby Properties on Portal St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures