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640 W School St, Cotati, CA 94931 Property Records

Sonoma County property record for 640 W School St, Cotati, CA 94931

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,821 sqft · built 1900
Lot Size0.531 acres (23,108 sqft)
Owner2 Company Names on Record
Last Sale$530,000 (Oct 2010)
Tax Bill$6,814 (2025)
Deeds & MortgagesSep 2023 Transfer
Sep 2023 Transfer
Flood ZoneZone X (minimal risk)
APN144-220-019-000

Property Details

APN / Parcel Number

Primary APN144-220-019-000
Alternative APN
  • 144-220-019

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms3 Rooms
Stories1 Story
Building Area1,821 sqft Living Area
Gross Area2,541 sqft
1st Floor Area1,821 sqft
Basement Area405 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1946
Construction TypeWood
Lot Area23,108 sqft (0.531 acres)
Garage TypeAttached
Garage Area720 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC

Location & Zoning

Old Parcel Number144-220-019
Street Address640 W SCHOOL ST
CityCOTATI
StateCA
Zip94931-4164
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYCO
Legal Description1973 FORM 144-220-09 PT TO PT 20 OR 2666-369 FILE
Legal Block2
Legal Lot Number77
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group2
Census Block2010
Census Tract151206

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 Record2 Company Names on Record
Mailing Address640 W SCHOOL ST, COTATI, CA 94931-4164
Owner TypeCompany
VestingLife Tenant

Deeds, Mortgages & Sale History

DateDocument
Sep 1, 2023Intrafamily Transfer, Transfer
Sep 1, 2023Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 28, 2010 · Amount on Record
Deed SaleOct 28, 2010 · Amount on Record
Deed Document Number201093720
Last Transfer DateAug 15, 2023
Transfer Doc0000041171
Record UpdatedOct 29, 2026

September 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateSep 1, 2023
Property Address640 W SCHOOL ST, COTATI, CA 94931-4164
Document Number0000041172
Map ReferenceMB 166 PG 31
Instrument DateAug 15, 2023
Instrument2023041172
Transaction TypeTransfer
Record UpdatedSep 19, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address640 W SCHOOL ST, COTATI, CA 94931-4164

September 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSONOMA CA
Recording DateSep 1, 2023
Property Address640 W SCHOOL ST, COTATI, CA 94931-4164
Document Number0000041171
Map ReferenceMB 166 PG 31
Instrument DateAug 15, 2023
Instrument2023041171
Transaction TypeTransfer
Record UpdatedSep 19, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address640 W SCHOOL ST, COTATI, CA 94931-4164

Tax Assessment & Valuation

Source: Sonoma County assessment roll, as of September 1, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$567,946 (+2%) Land $196,013 Building $371,933
2025$6,814.00 (+4.25%)$556,811 (+4.04%) Land $192,170 Building $364,641
2023$6,536.00 (+1.79%) Homeowner's exemption$535,191 Land $184,708 Building $350,483
2022$6,421.00

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 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 RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemCITY OF COTATI
serves 7,290 people · EPA ID CA4910016
Water SourceGroundwater
Last State InspectionAug 2024
LeadUnder 1 ppb (2024–2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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

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

Cell Coverage

5G (outdoors only) and 4G LTE

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