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270 Thompson Ave, Chatsworth, CA 91311 Property Records

Ventura County property record for 270 Thompson Ave, Chatsworth, CA 91311

Property Summary

Property TypeSingle Family Home
Details4 bd · 4 ba · 3,303 sqft · built 1993
Lot Size0.209 acres (9,100 sqft)
OwnerTrust Name on File
Last Sale$880,500 (Feb 2020)
Tax Bill$10,842 (2025)
Deeds & MortgagesMay 2023 Transfer
Feb 2022 Mortgage
+ 3 more
Flood ZoneZone X (minimal risk)
APN649-0-108-790

Property Details

APN / Parcel Number

Primary APN649-0-108-790
Alternative APN
  • 6490108520

Interior

Bedrooms4 Beds
Full Baths4 Baths
Total Rooms8 Rooms
Stories2 Stories
Building Area3,303 sqft Living Area
1st Floor Area2,022 sqft
2nd Floor Area1,281 sqft
Upper Floors Area76 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1993
Effective Year BuiltEffective 1993
Lot Area9,100 sqft (0.209 acres)
Garage Area460 sqft
Parking Spaces2 Parking Spaces
Deck Area569 sqft
Patio Area76 sqft

Location & Zoning

Old Parcel Number6490108520
Street Address270 THOMPSON AVE
CityCHATSWORTH
StateCA
Zip91311-7023
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeOS
Legal DescriptionLOT: A
Legal SubdivisionRANCHO SIMI
Legal Block108
Legal Lot NumberA
JurisdictionVENTURA CA
Township / Civil DivisionSIMI VALLEY
Census Block Group2
Census Block2007
Census Tract7511

Owner

270 Thompson Ave is owner-occupied and held in a trust since February 2020.

Source: Ventura County records, as of October 15, 2026

Owner of RecordTrust Name on File
Mailing Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

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

Deeds, Mortgages & Sale History

DateDocument
May 10, 2023Intrafamily Transfer, Transfer
Feb 16, 2022Deed of Trust, Mortgage · Conventional Mortgage
NULINE FUNDING INC
Feb 21, 2020Grant Deed, Subdivision Related Transfer · Conventional Mortgage
FIRST GUARANTY MORTGAGE CORP
Oct 16, 2019Quit Claim Deed, Transfer
PROVIDENT TITLE
Aug 8, 2018Grant Deed, Transfer · Conventional Mortgage
HSBC BANK USA

Assessor's Deed Record

Deed NamesName on Deed
Last SaleFeb 21, 2020 · Amount on File
Deed SaleFeb 21, 2020 · Amount on File
Prior SaleAug 8, 2018 · Amount on File
Deed Document Number202026457
Record UpdatedOct 29, 2026

May 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionVENTURA CA
Recording DateMay 10, 2023
Property Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
Document Number0000032677
Map ReferenceMB 3 PG 7
Instrument DateApr 21, 2023
Instrument2023000032677
Transaction TypeTransfer
Record UpdatedMay 23, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023

February 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionVENTURA CA
Property Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
Transaction TypeMortgage
Record UpdatedJan 10, 2023
Title CompanyFIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023

Mortgage

Document Number0000019830
DateFeb 16, 2022
Instrument2022000019830
Lender
NameNULINE FUNDING INC
TypeNon-Lending Institution
AddressWOODLAND HILLS, CA 91367
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMar 1, 2052
Interest
Rate TypeAdjustable Rate
Rate2.87%
Type Change DateMar 1, 2029
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change7.87%
IndexOther
Max Rate7.87%

February 2020: Grant Deed, Subdivision Related Transfer

Document TypeGrant Deed
JurisdictionVENTURA CA
Recording DateFeb 21, 2020
Property Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
Document Number0000026457
Map ReferenceMB 3 PG 23&24
Instrument DateJan 7, 2020
Instrument20200221-00026457
Transaction TypeSubdivision Related Transfer
Record UpdatedSep 27, 2022
Title CompanyPROVIDENT TITLE CO

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023

Mortgage

Document Number0000026458
DateFeb 21, 2020
Instrument20200221-00026458
Lender
NameFIRST GUARANTY MORTGAGE CORP
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMar 1, 2050
Interest
Rate TypeAdjustable Rate
Rate6.25%
Type Change DateMar 1, 2025
Change FrequencyAnnually
Min Rate At Change4.25%
Max Rate At Change8.25%
Index1-Year LIBOR
Max Rate11.2%

October 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionVENTURA CA
Recording DateOct 16, 2019
Property Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
Document Number0000125707
Instrument DateJul 8, 2019
Instrument125707
Transaction TypeTransfer
Record UpdatedOct 28, 2019
Title CompanyPROVIDENT TITLE

Transaction

Tax$0.00
Amount AccuracyFull Value
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address3500 W OLIVE AVE #300 BURBANK CA 915054647, 300, BURBANK, CA 91505-4647

August 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionVENTURA CA
Recording DateAug 8, 2018
Property Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023
Document Number0000090504
Map ReferenceMB3 PG7
Instrument DateAug 4, 2018
Instrument20180808-00090504
Transaction TypeTransfer
Record UpdatedSep 27, 2022
Title CompanyPROVIDENT TITLE CO

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address270 THOMPSON AVE, CHATSWORTH, CA 91311-7023

Mortgage

Document Number0000090505
DateAug 8, 2018
Instrument20180808-00090505
Lender
NameHSBC BANK USA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 270 Thompson Ave was $10,842 with a homeowner's exemption, up 3.9% from the year before.

Source: Ventura County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyVentura County
Unified School DistrictSimi Valley Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,009,428 (+2%) Land $638,076 Building $371,352
2025$10,842.00 (+3.94%) Homeowner's exemption$989,636 Land $625,565 Building $364,071
2024$10,431.00 (+6.22%)
2023$9,820.00 (+0.32%) Homeowner's exemption$925,208 Land $601,273 Building $323,935
2022$9,789.00

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

Flood

FEMA maps place 270 Thompson Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

Source: FEMA National Flood Hazard Layer, effective September 30, 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 Claims1 (1998)
Claims Outside the SFHA1 of 1
Most Recent ClaimFeb 1998 · Severe Winter Storms And Flooding

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

Wildfire risk around 270 Thompson Ave is high, ranking above 81% of the US, with a 0.5% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskHigh
above 81% of the US · above 59% of California
Wildfire Likelihood0.5% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 SystemVENTURA WWD NO. 8 - SIMI VALLEY
serves 94,736 people · EPA ID CA5610023
Water SourcePurchased surface water from CALLEGUAS MUNICIPAL WATER DIST
Last State InspectionJan 2023
LeadUnder 1 ppb (2023–2025)
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 393 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area		5,000 / 5,000
Verizon
Fixed Wireless		300 / 20
Starlink
Satellite		280 / 30
T-Mobile
Fixed Wireless		100 / 20

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