637 Allison Cir, Byron, IL 61010 Property Records

Ogle County property record for 637 Allison Cir, Byron, IL 61010

Property Summary

Property Type	Single Family Home
Details	4,000 sqft · built 1997
Lot Size	0.548 acres (23,876 sqft)
Owner	Company Name on File
Last Sale	$1,151,000 (Dec 2023)
Tax Bill	$16,945 (2025)
Deeds & Mortgages	Aug 2026 Mortgage Mar 2024 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`05-29-453-012`

Property Details

APN / Parcel Number

Primary APN	`05-29-453-012`

Interior

Stories	2 Stories
Building Area	4,000 sqft Living Area

Exterior

Year Built	Built 1997
Effective Year Built	Effective 1997
Lot Area	23,876 sqft (0.548 acres)
Lot Dimensions	179 ft deep x 49 ft wide
Total Buildings	2 Buildings

Location & Zoning

Street Address	637 ALLISON CIR
City	BYRON
State	IL
Zip	61010-1405
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	RNG/BLK: TWP:0 SECT/LOT: LOT 19 BLOBAUM ESTATES SUBD CITY OF BYRON
Legal Subdivision	BLOBAUM ESTATES SUBD
Legal Lot Number	19
Jurisdiction	OGLE IL
Township / Civil Division	BYRON
Census Block Group	2
Census Block	2003
Census Tract	961700

Owner

637 Allison Cir is owned by a company that bought it in December 2023.

Source: Ogle County records, as of May 19, 2026

Owner of Record	Company Name on File
Mailing Address	277 BROOKE LN, ROCKFORD, IL 61107-2984
Owner Type	Company
Vesting	Company

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

Date	Document
Aug 28, 2026	Deed of Trust, Mortgage · Commercial Mortgage UNION CREDIT UNION
Mar 22, 2024	Deed of Trust, Mortgage · Commercial Mortgage ADIVIA CU
Dec 1, 2023	Special Warranty Deed, Transfer · Commercial Mortgage ADIVIA CU
May 4, 2020	Warranty Deed, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Dec 1, 2023 · Amount on File
Deed Sale	Dec 1, 2023 · Amount on File
Prior Sale	May 4, 2020 · Amount on File
Deed Document Number	20235245
Prior Transfer Date	Apr 3, 2012
Prior Transfer Doc	0000202555
Record Updated	Oct 29, 2026

August 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	OGLE IL
Recording Date	Aug 28, 2026
Property Address	637 ALLISON CIR, BYRON, IL 61010-1405
Document Number	0000004403
Instrument Date	Aug 27, 2026
Instrument	20264403
Transaction Type	Mortgage
Record Updated	Sep 25, 2026
Title Company	BT ESCROW, ESCROW

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000004403,
Date	Aug 28, 2026
Instrument	20264403

Lender

Name	UNION CREDIT UNION

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

March 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	OGLE IL
Property Address	637 ALLISON CIR, BYRON, IL 61010-1405
Transaction Type	Mortgage
Record Updated	Apr 10, 2024

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000001185
Date	Mar 22, 2024
Instrument	202401185

Lender

Name	ADIVIA CU
Type	Credit Union

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

December 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	OGLE IL
Recording Date	Dec 1, 2023
Property Address	637 ALLISON CIR, BYRON, IL 61010-1405
Document Number	0000005245
Map Reference	DOC 476884
Instrument Date	Nov 17, 2023
Instrument	202305245
Transaction Type	Transfer
Record Updated	Dec 13, 2023
Title Company	DW

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,726.50
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name
Address	2220 S ROSE ST, KALAMAZOO, MI 49001-3619

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	321 W STATE ST STE 301, 301, ROCKFORD, IL 61101-1127

Mortgage

Document Number	0000005246
Date	Dec 1, 2023
Instrument	202305246

Lender

Name	ADIVIA CU
Type	Credit Union

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

May 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	OGLE IL
Recording Date	May 4, 2020
Property Address	637 ALLISON CIR, BYRON, IL 61010-1405
Document Number	0000002556
Map Reference	FILE A PG52DOC482293
Instrument Date	Apr 30, 2020
Instrument	202002556
Transaction Type	Transfer
Record Updated	Jun 22, 2021

Transaction

Amount	Amount on Record
Tax	$2,925.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2320 S ROSE ST, KALAMAZOO, MI 49001-3621
Investor	Possibly a Property Investor

Tax Assessment & Valuation

The 2025 property tax bill for 637 Allison Cir was $16,945, up 6.8% from the year before.

Source: Ogle County assessment roll, as of April 28, 2026

Property Jurisdictions

Type	Name
State	Illinois
Municipality	Byron City
County	Ogle County
County Subdivision	Byron Township
Unified School District	Byron Community Unit School District 226 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$16,945.00 (+6.8%)	$205,606 (+10.48%) Land $15,224 Building $190,382	$616,818 (+10.48%) Land $45,672 Building $571,146
2024	$15,866.00	$186,103 (+5.19%) Land $13,780 Building $172,323	$558,309 (+5.19%) Land $41,340 Building $516,969
2023		$176,921 (+7.83%) Land $13,100 Building $163,821	$530,763 (+7.83%) Land $39,300 Building $491,463
2022	$14,069.00	$164,074 Land $12,149 Building $151,925	$492,222 Land $36,447 Building $455,775

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

Flood

FEMA maps place 637 Allison Cir in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective December 30, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (2013)
Most Recent Claim	Apr 2013 · Severe Storms, Straight-line Winds, 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 637 Allison Cir is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · above 71% of Illinois
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 System	BYRON serves 3,784 people · EPA ID IL1410100
Water Source	Groundwater
Last State Inspection	Aug 2023
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 228 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	5,000 / 5,000
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20

May also be available: AaroBand.

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