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8510 Dorfman Dr, Cotati, CA 94931 Property Records

Sonoma County property record for 8510 Dorfman Dr, Cotati, CA 94931

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,835 sqft · built 1989
Lot Size0.173 acres (7,535 sqft)
OwnerCompany Name on Record
Last Sale$585,000 (Feb 2007)
Tax Bill$9,322 (2025)
Deeds & MortgagesJul 2020 Mortgage
Jul 2017 Transfer
Flood ZoneZone X (minimal risk)
APN144-470-047-000

Property Details

APN / Parcel Number

Primary APN144-470-047-000
Alternative APN
  • 144-470-047

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms3 Rooms
Stories1 Story
Building Area1,835 sqft Living Area
Gross Area2,270 sqft
1st Floor Area1,835 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1990
Architectural StyleCustom Design
Construction TypeWood
Lot Area7,535 sqft (0.173 acres)
Garage TypeAttached
Garage Area435 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemCentral

Location & Zoning

Old Parcel Number144-470-047
Street Address8510 DORFMAN DR
CityCOTATI
StateCA
Zip94931-5345
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeCITYCO
Legal DescriptionLASKER KNOLLS LOT 40
Legal SubdivisionLASKER KNOLLS
Legal Block1
Legal Lot Number40
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group1
Census Block1015
Census Tract151204

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 RecordCompany Name on Record
Mailing Address8510 DORFMAN DR, COTATI, CA 94931-5345
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

DateDocument
Jul 7, 2020Deed of Trust, Mortgage · Conventional Mortgage
FLAGSTAR BANK FSB
Jul 3, 2017Quit Claim Deed, Transfer
ATTORNEY ONLY

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 15, 2007 · Amount on Record
Deed SaleFeb 15, 2007 · Amount on Record
Deed Document Number200718084
Prior Transfer DateMay 21, 2004
Prior Transfer Doc0000081697
Record UpdatedOct 29, 2026

July 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSONOMA CA
Property Address8510 DORFMAN DR, COTATI, CA 94931-5345
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIRST AMER TTL SANTA ROSA

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000055055
DateJul 7, 2020
Instrument2020055055
Lender
NameFLAGSTAR BANK FSB
TypeBank
AddressTROY, MI 48098
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJul 1, 2050

July 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateJul 3, 2017
Property Address8510 DORFMAN DR, COTATI, CA 94931-5345
Document Number0000051585
Instrument DateJun 26, 2017
Instrument51585
Transaction TypeTransfer
Record UpdatedJul 20, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address8510 DORFMAN DR COTATI CA 949315345, COTATI, CA 94931-5345

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$799,436 (+2%) Land $321,139 Building $478,297
2025$9,322.00 (+2.98%) Homeowner's exemption$783,762 (+4.04%) Land $314,843 Building $468,919
2023$9,052.00 (+1.78%) Homeowner's exemption$753,329 Land $302,618 Building $450,711
2022$8,894.00

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 Policies2 in force
Nearby Flood Claims1 (1995)
Most Recent ClaimJan 1995 · Severe Winter Storms, Flooding, Landslides, Mud Flows

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 RiskModerate
above 46% of the US · lower than 72% of California
Wildfire Likelihood0.1% annual chance
ExposureDirect
burnable vegetation

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 220 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
AT&T
DSL · Fiber, Fixed Wireless in parts of the area		100 / 20

May also be available: T-Mobile.

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