859 Richardson Ln, Cotati, CA 94931 Property Records

Sonoma County property record for 859 Richardson Ln, Cotati, CA 94931

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,815 sqft · built 1954
Lot Size	1.25 acres (54,450 sqft)
Owner	Company Name on Record
Tax Bill	$3,686 (2025)
Flood Zone	Zone X (minimal risk)
APN	`144-120-008-000`

Property Details

APN / Parcel Number

Primary APN	`144-120-008-000`
Alternative APN	`144-120-008`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	3 Rooms
Stories	1 Story
Building Area	1,815 sqft Living Area
1st Floor Area	1,815 sqft

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1959
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	54,450 sqft
Garage Type	Detached
Garage Area	620 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Old Parcel Number	144-120-008
Street Address	859 RICHARDSON LN
City	COTATI
State	CA
Zip	94931-4115
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	CITYCO
Legal Description	1969 FORM 144-120-04 C/W 144-120-07
Legal Subdivision	COTATI OAKS
Legal Block	2
Legal Lot Number	27
Jurisdiction	SONOMA CA
Township / Civil Division	PETALUMA
Census Block Group	2
Census Block	2002
Census Tract	151206

Owner

Source: Sonoma County records, as of September 1, 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 Record
Mailing Address	859 RICHARDSON LN, COTATI, CA 94931-4115
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Transfer Date	Jul 16, 2002
Transfer Doc	0000112814
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 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
2026		$292,847 (+2%) Land $113,243 Building $179,604
2025	$3,686.00 (+3.19%) Homeowner's exemption	$287,106 (+4.04%) Land $111,023 Building $176,083
2023	$3,572.00 (+1.85%) Homeowner's exemption	$275,960 Land $106,713 Building $169,247
2022	$3,507.00

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
Nearby Flood Policies	1 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	Moderate above 47% of the US · lower than 72% of California
Wildfire Likelihood	0.1% 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 154 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
T-Mobile Fixed Wireless	100 / 20