1. Home
  2. California
  3. Sonoma County
  4. Cotati
  5. Portal St

545 Portal St, Cotati, CA 94931 Property Records

Sonoma County property record for 545 Portal St, Cotati, CA 94931

Property Summary

Property TypeWarehouse, Storage
Details5,560 sqft · built 1989
Lot Size0.35 acres (15,245 sqft)
OwnerCompany Name on Record
Last Sale$712,000 (Jul 2014)
Tax Bill$10,223 (2025)
Deeds & MortgagesJun 2017 Transfer
Flood ZoneZone X (minimal risk)
APN144-010-070-000

Property Details

APN / Parcel Number

Primary APN144-010-070-000
Alternative APN
  • 144-010-070

Interior

Stories1 Story
Building Area5,560 sqft Gross Area
1st Floor Area5,560 sqft

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 1989
Architectural StyleOther
Fire ResistanceWood or Wood & Steel Frame
Lot Area15,245 sqft (0.35 acres)

Location & Zoning

Old Parcel Number144-010-070
Street Address545 PORTAL ST
CityCOTATI
StateCA
Zip94931-3023
Property CategoryIndustrial
Property TypeIndustrial > Warehouse, Storage
Local Zoning CodeM1
Legal DescriptionLOT 21 RC INDUSTRIAL SUB NO 2
Legal SubdivisionRC INDUSTRIAL SUB
Legal Block3
Legal Lot Number21
JurisdictionSONOMA CA
Township / Civil DivisionPETALUMA
Census Block Group3
Census Block3006
Census Tract151206

Owner

Source: Sonoma County records, as of September 1, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of RecordCompany Name on Record
Mailing Address8485 KENNEDY RD, SEBASTOPOL, CA 95472-5327
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 2, 2014 · Amount on Record
Deed SaleJul 2, 2014 · Amount on Record
Prior SaleNov 3, 1995 · Amount on Record
Deed Document Number201445287
Last Transfer DateJun 5, 2017
Transfer Doc0000045582
Record UpdatedOct 29, 2026

June 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSONOMA CA
Recording DateJun 12, 2017
Property Address545 PORTAL ST, COTATI, CA 94931-3023
Document Number0000045582
Instrument DateJun 5, 2017
Instrument45582
Transaction TypeTransfer
Record UpdatedJun 21, 2017
Title CompanyATTORNEY ONLY

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address51 BAYVIEW TER MILL VALLEY CA 949412497, MILL VALLEY, CA 94941-2497

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$872,821 (+2%) Land $367,762 Building $505,059
2025$10,223.00 (+2.94%)$855,707 (+4.04%) Land $360,551 Building $495,156
2023$9,931.00 (+1.76%)$822,481 Land $346,551 Building $475,930
2022$9,759.00

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies5 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 99.1% of the US · lower than 99.2% of California
Wildfire LikelihoodUnder 0.01% 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 258 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Starlink
Satellite		280 / 30

May also be available: AT&T, T-Mobile, Verizon.

Nearby Properties on Portal St

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures