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604 E State St, Rockford, IL 61104 Property Records

Winnebago County property record for 604 E State St, Rockford, IL 61104

Property Summary

Property TypeCommercial Office
Details10,230 sqft · built 1974
Lot Size0.24 acres (10,454 sqft)
OwnerCompany Name on Record
Last Sale$960,000 (Aug 2026)
Tax Bill$9,124 (2025)
Deeds & MortgagesAug 2026 Sale
Jul 2026 Transfer
Flood ZoneZone X (minimal risk)
APN203C807

Property Details

APN / Parcel Number

Primary APN203C807
Alternative APN
  • 1123459006

Interior

Stories1 Story
Building Area10,230 sqft Gross Area

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1974
Exterior MaterialBrick
Construction TypeSteel Frame
Lot Area10,454 sqft (0.24 acres)
View / LotCorner

Utilities, Heating & Cooling

Cooling SystemWindow A/C
Heating SystemHVAC
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number203C807
Street Address604 E STATE ST
CityROCKFORD
StateIL
Zip61104
Property CategoryCommercial
Property TypeCommercial > Office > Commercial Office
Local Zoning CodeC4
Legal DescriptionEAST ROCKFORD W 1/2 LOTS 6 & 007 BLOCK50
Legal SubdivisionEAST ROCKFORD
Legal Block50
Legal Lot Number6,007
JurisdictionWINNEBAGO IL
Township / Civil DivisionROCKFORD
Census Block Group1
Census Block1030
Census Tract1100

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the East Rockford Historic District
listed 1980 · 50 contributing resources · NRIS 80001422

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Winnebago County records, as of August 17, 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 Address665 WASHINGTON CT, ROSELLE, IL 60172-5034
Owner TypeCompany
VestingLimited Liability Partnership

Deeds, Mortgages & Sale History

DateDocument
Aug 3, 2026Warranty Deed, Transfer
NONE LISTED ON DOCUMENT
Jul 28, 2026Quit Claim Deed, Transfer
NONE LISTED ON DOCUMENT

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 3, 2026 · Amount on Record
Deed SaleAug 3, 2026 · Amount on Record
Prior SaleFeb 27, 1998 · Amount on Record
Deed Document Number202619850
Prior Transfer DateJul 27, 2026
Prior Transfer Doc0000019242
Record UpdatedSep 20, 2026

August 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionWINNEBAGO IL
Recording DateAug 3, 2026
Document Number0000019850
Instrument DateJul 31, 2026
Instrument202619850
Transaction TypeTransfer
Record UpdatedAug 17, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

AmountAmount Recorded
Tax$145,440.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLimited Liability Partnership
Address665 WASHINGTON CT, ROSELLE, IL 60172-5034

July 2026: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionWINNEBAGO IL
Recording DateJul 28, 2026
Property Address604 E STATE ST, ROCKFORD, IL 61104
Document Number0000019242
Instrument DateJul 27, 2026
Instrument202619242
Transaction TypeTransfer
Record UpdatedAug 11, 2026
Title CompanyNONE LISTED ON DOCUMENT

Transaction

Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Quitclaim
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
InvestorPossibly a Property Investor

Tax Assessment & Valuation

Source: Winnebago County assessment roll, as of July 28, 2026

Property Jurisdictions

TypeName
StateIllinois
CountyWinnebago County
County SubdivisionRockford Township
MunicipalityRockford City
Unified School DistrictRockford School District 205 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$9,124.00$103,347 (+41.39%) Land $21,400 Building $81,947$310,041 (+41.39%) Land $64,200 Building $245,841
2022$73,095 Land $15,136 Building $57,959$219,285 Land $45,408 Building $173,877

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective July 12, 2023 · 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 Claims5 (1978–1996)
Claims Outside the SFHA2 of 5
Most Recent ClaimJan 1996 · rainfall accumulation

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 RiskNot rated
no burnable land within 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 SystemROCKFORD
serves 147,051 people · EPA ID IL2010300
Water SourceGroundwater
Last State InspectionJan 2024
Lead10 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting9
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 368 locations within half a mile, as of December 31, 2025

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

May also be available: AT&T, i3 Broadband, T-Mobile.

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