8186 Arthur St, Cotati, CA 94931 Property Records

Sonoma County property record for 8186 Arthur St, Cotati, CA 94931

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,056 sqft · built 1910
Lot Size	0.515 acres (22,428 sqft)
Owner	2 Individual Names on File
Tax Bill	$1,484 (2025)
Flood Zone	Zone AE (high risk)
APN	`144-271-002-000`

Property Details

APN / Parcel Number

Primary APN	`144-271-002-000`
Alternative APN	`144-271-002`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	1,056 sqft Living Area
1st Floor Area	1,056 sqft

Exterior

Year Built	Built 1910
Effective Year Built	Effective 1910
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	22,428 sqft (0.515 acres)

Utilities, Heating & Cooling

Cooling System	None

Location & Zoning

Old Parcel Number	144-271-002
Street Address	8186 ARTHUR ST
City	COTATI
State	CA
Zip	94931-4227
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYCO
Legal Block	2
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	2
Census Block	2004
Census Tract	151204

Owner

Source: Sonoma County records · APN 144-271-002-000

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 Record	2 Individual Names on File
Mailing Address	1232 GOLDEN EAGLE CT, GARDNERVILLE, NV 89410-7626
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Record Updated	Jun 08, 2026

Tax Assessment & Valuation

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

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

Year	Tax Bill	Assessed Value
2025	$1,484.00 (+3.34%)	$89,511 (+4.04%) Land $61,249 Building $28,262
2023	$1,436.00 (+1.92%)	$86,037 Land $58,872 Building $27,165
2022	$1,409.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of February 15, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 26 policies
Nearby Flood Policies	26 in force
Nearby Flood Claims	1 (2012)
Most Recent Claim	Dec 2012 · tidal / storm surge

Wildfire

Wildfire Risk	Not rated no burnable land within 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 as of December 31, 2025 · Last verified October 2026

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

May also be available: AT&T.

Based on FCC filings for 553 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF COTATI serves 7,290 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.