363 Helman Ln, Cotati, CA 94931 Property Records

Sonoma County property record for 363 Helman Ln, Cotati, CA 94931

Property Summary

Property Type	Rural Home
Details	2 bd · 1 ba · 1,155 sqft · built 1910
Lot Size	1.02 acres (44,431 sqft)
Owner	2 Company Names on Record
Last Sale	$13,500 (Sep 2000)
Tax Bill	$4,654 (2025)
Deeds & Mortgages	Dec 2025 Transfer Jan 2024 Transfer + 4 more
Flood Zone	Zone X (minimal risk)
APN	`046-111-021-000`

Property Details

APN / Parcel Number

Primary APN	`046-111-021-000`
Alternative APN	`046-111-021`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	2 Rooms
Stories	1 Story
Building Area	1,155 sqft Living Area
1st Floor Area	1,155 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1950
Architectural Style	Custom Design
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	44,431 sqft (1.02 acres)

Location & Zoning

Old Parcel Number	046-111-021
Street Address	363 HELMAN LN
City	COTATI
State	CA
Zip	94931-9710
Property Category	Residential
Property Type	Residential > Single Family > Rural Home
Local Zoning Code	M1
Legal Description	97FM 046-111-019 ALDER AVENUE INDUSTRIAL PARK LT2
Legal Subdivision	ALDER AVENUE INDUSTRIAL PARK
Legal Block	3
Legal Lot Number	2
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	3
Census Block	3019
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	5094 PARADISE DR, CORTE MADERA, CA 94925-2105
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Dec 24, 2025	Intrafamily Transfer, Transfer
Jan 2, 2024	Intrafamily Transfer, Transfer
Jan 2, 2024	Intrafamily Transfer, Transfer
Mar 13, 2023	Intrafamily Transfer, Transfer
Feb 7, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Sep 23, 2019	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 29, 2000 · Amount on Record
Deed Sale	Sep 29, 2000 · Amount on Record
Prior Sale	May 28, 1999 · Amount on Record
Deed Document Number	200099440
Last Transfer Date	Dec 28, 2023
Transfer Doc	0000000099
Record Updated	Sep 20, 2026

December 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Dec 24, 2025
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000065806
Map Reference	MB 552 PG 11-13
Instrument Date	Dec 17, 2025
Instrument	2025065806
Transaction Type	Transfer
Record Updated	Jan 1, 2026

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	5094 PARADISE DR, CORTE MADERA, CA 94925-2105

January 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jan 2, 2024
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000000099
Map Reference	MB 552 PG 11-13
Instrument Date	Dec 28, 2023
Instrument	2024000099
Transaction Type	Transfer
Record Updated	Jan 24, 2024

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	5094 PARADISE DR, CORTE MADERA, CA 94925-2105

January 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Jan 2, 2024
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000000099
Map Reference	MB 552 PG 11-13
Instrument Date	Dec 28, 2023
Instrument	2024000099
Transaction Type	Transfer
Record Updated	Feb 1, 2024

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	5094 PARADISE DR, CORTE MADERA, CA 94925-2105

March 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SONOMA CA
Recording Date	Mar 13, 2023
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000010292
Map Reference	MB 552 PG 11-13
Instrument Date	Feb 28, 2023
Instrument	2023010292
Transaction Type	Transfer
Record Updated	Mar 30, 2023

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	5094 PARADISE DR, CORTE MADERA, CA 94925-2105

February 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SONOMA CA
Recording Date	Feb 7, 2020
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000009562
Instrument Date	Feb 4, 2020
Instrument	9562
Transaction Type	Transfer
Record Updated	Mar 3, 2020
Title Company	ATTORNEY ONLY

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	5094 PARADISE DR CORTE MADERA CA 949252105, CORTE MADERA, CA 94925-2105

September 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SONOMA CA
Recording Date	Sep 23, 2019
Property Address	363 HELMAN LN, COTATI, CA 94931-9710
Document Number	0000067681
Instrument Date	Aug 20, 2019
Instrument	67681
Transaction Type	Transfer
Record Updated	Oct 7, 2019
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	5094 PARADISE DR CORTE MADERA CA 949252105, CORTE MADERA, CA 94925-2105

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	$4,654.00 (+3.01%)	$366,919 (+4.04%) Land $297,139 Building $69,780
2023	$4,518.00 (+1.8%)	$352,672 Land $285,601 Building $67,071
2022	$4,438.00

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 95% of the US · lower than 97% of California
Wildfire Likelihood	0.02% 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 116 locations within half a mile, as of December 31, 2025

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

May also be available: T-Mobile.

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