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410 Helman Ln, Cotati, CA 94931 Property Records

Sonoma County property record for 410 Helman Ln, Cotati, CA 94931 · Last verified May 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 2,028 sqft · built 1941
Lot Size0.432 acres (18,815 sqft)
OwnerIndividual Name on File
Last Sale$270,000 (Apr 2022)
Tax Bill$1,752 (2025)
Deeds & MortgagesApr 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN046-112-010-000

Property Details

APN / Parcel Number

Primary APN046-112-010-000
Alternative APN
  • 046-112-010

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms3 Rooms
Stories1 Story
Building Area2,028 sqft Living Area
1st Floor Area2,028 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1941
Effective Year BuiltEffective 1954
Architectural StyleCustom Design
Construction TypeWood
Lot Area18,815 sqft (0.432 acres)
Garage Area560 sqft
PorchSlab

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Street Address410 HELMAN LN
CityCOTATI
StateCA
Zip94931-9746
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMAP 10 PG 9 PART OF LOT 162
Legal SubdivisionMC CUE SUB
Legal Block3
Legal Lot Number162
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group3
Census Block3018
Census Tract151206

Owner

Source: Sonoma County records · APN 046-112-010-000

Assessment roll updated April 13, 2026 · Last verified May 2026

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

Owner of RecordIndividual Name on File
Mailing Address410 HELMAN LN, COTATI, CA 94931-9746
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleApr 29, 2022 · Amount on Record
Deed SaleApr 29, 2022 · Amount on Record
Deed Document Number202230707
Prior Transfer DateJun 14, 2006
Prior Transfer Doc0000080915
Record UpdatedJun 08, 2026

April 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateApr 29, 2022
Property Address410 HELMAN LN, COTATI, CA 94931-9746
Document Number0000030707
Map ReferenceMB 10 PG 9
Instrument DateFeb 05, 2022
Instrument2022030707
Transaction TypeTransfer
Record UpdatedMay 13, 2022
Title CompanyAMROCK INC, AMROCK LLC

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address410 HELMAN LN, COTATI, CA 94931-9746

Mortgage

Document Number0000030708
DateApr 29, 2022
Instrument2022030708
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term347 Months
DueMar 01, 2051

Tax Assessment & Valuation

Source: Sonoma County records · Assessment roll updated April 13, 2026 · Last verified May 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySonoma County
Unified School DistrictCotati-Rohnert Park Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2025$1,752.00 (+3.61%) Homeowner's exemption$117,998 (+4.04%) Land $22,141 Building $95,857
2023$1,691.00 (-2.76%) Homeowner's exemption$113,418 Land $21,282 Building $92,136
2022$1,739.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Sonoma County (06097C), updated February 15, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060971512063, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies5 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 116 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
AT&TFixed Wireless100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

May also be available at this address: T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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