643 Oak St, Quincy, IL 62301 Property Records

Adams County property record for 643 Oak St, Quincy, IL 62301

Property Summary

Property Type	Single Family Home
Lot Size	0.11 acres (4,750 sqft)
Owner	Individual Name on Record
Last Sale	$20,000 (Jul 2021)
Tax Bill	$492 (2024)
Deeds & Mortgages	Jul 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`235057700000`

Property Details

APN / Parcel Number

Primary APN	`235057700000`

Exterior

Lot Area	4,750 sqft (0.11 acres)
Lot Dimensions	95 ft deep x 50 ft wide

Location & Zoning

Street Address	643 OAK ST
City	QUINCY
State	IL
Zip	62301-2509
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 8 BLK 12 KEYES SURVEY S 95FT OF E 50FT LOT 8
Legal Range	9W
Legal Township	1S
Legal Section	35
Legal Subdivision	WILLARD KEYES ADD
Legal Block	12
Legal Lot Number	8
Jurisdiction	ADAMS IL
Township / Civil Division	QUINCY
Census Block Group	3
Census Block	3033
Census Tract	400

Historic Designation

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

Historic District	Within the Quincy Northwest Historic District listed 2000 · 1,617 contributing resources · NRIS 00000414

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

Owner

Source: Adams County records, as of May 4, 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 Record	Individual Name on Record
Mailing Address	643 OAK ST, QUINCY, IL 62301-2509
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 9, 2021 · Amount on Record
Deed Sale	Jul 9, 2021 · Amount on Record
Deed Document Number	20216639
Record Updated	Jun 8, 2026

July 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ADAMS IL
Recording Date	Jul 9, 2021
Property Address	643 OAK ST, QUINCY, IL 62301-2509
Document Number	2021R06639
Instrument Date	Jul 6, 2021
Instrument	2021R-06639
Transaction Type	Transfer
Record Updated	Oct 25, 2021

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$30.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	726 N 4TH ST, QUINCY, IL 62301-2369

Mortgage

Document Number	2021R06640
Date	Jul 9, 2021
Instrument	2021R-06640

Lender

Name	STATE STREET BANK & TRUST CO

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

Source: Adams County assessment roll, as of May 4, 2026

Property Jurisdictions

Type	Name
State	Illinois
County	Adams County
County Subdivision	Quincy Township
Municipality	Quincy City
Unified School District	Quincy School District 172 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$8,010 Land $1,910 Building $6,100	$24,030 Land $5,730 Building $18,300
2024	$492.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective July 23, 2018 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	13 (1981–2019)
Claims Outside the SFHA	1 of 13
Most Recent Claim	May 2019 · Severe Storms And Flooding
Claims by Event	Severe Storms And Flooding, May 2019 · 5 claims Severe Storms, Straight-line Winds, And Flooding, Apr 2013 · 2 claims Severe Storms & Flooding, Jul 1993 · 2 claims

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 Risk	Not 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 System	QUINCY serves 42,000 people · EPA ID IL0010650
Water Source	Surface water
Last State Inspection	Aug 2025
Lead	Under 1 ppb (2026–2028) 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 385 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Adams Telsystems Fiber	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20