309 W Superior St, Duluth, MN 55802 Property Records

St. Louis County property record for 309 W Superior St, Duluth, MN 55802

Property Summary

Property Type	Commercial
Details	4,868 sqft · built 1914
Lot Size	0.08 acres (3,516 sqft)
Owner	Company Name on Record
Last Sale	$239,000 (Jan 2018)
Tax Bill	$7,308 (2026)
Deeds & Mortgages	Mar 2018 Line of Credit Jan 2018 Sale & Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`010-0920-00440`

Property Details

APN / Parcel Number

Primary APN	`010-0920-00440`
Alternative APN	`1044404`

Interior

Stories	2 Stories
Building Area	4,868 sqft Gross Area
1st Floor Area	2,749 sqft
Basement Area	1,250 sqft
Flooring	Carpet
Fire Sprinklers	Fire Sprinklers
Elevator	Elevator

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1985
Exterior Material	Brick Veneer
Lot Area	3,516 sqft (0.08 acres)
Utility Building	750 sqft

Utilities, Heating & Cooling

Cooling System	Package A/C
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	1044404
Street Address	309 W SUPERIOR ST
City	DULUTH
State	MN
Zip	55802-1608
Property Category	Commercial
Property Type	Commercial > Retail
Legal Description	E 1/2 SERIAL #
Legal Subdivision	DULUTH PROPER FIRST DIVISION
Legal Lot Number	53
Jurisdiction	ST LOUIS MN
Township / Civil Division	DULUTH
Census Block Group	1
Census Block	1044
Census Tract	1900

Historic Designation

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

Historic District	Within the Duluth Commercial Historic District (additional Documentation) listed 2006 · 86 contributing resources · NRIS 06000455

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

Owner

Source: St. Louis County records, as of August 17, 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	Company Name on Record
Mailing Address	2610 STEWART AVE, WAUSAU, WI 54401-4174
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Mar 19, 2018	Trustee's Deed, Construction Loan · Line of Credit NB COMMERCE
Jan 4, 2018	Warranty Deed, Transfer · Line of Credit NATIONAL BK/COMMERCE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 4, 2018 · Amount on Record
Deed Sale	Jan 4, 2018 · Amount on Record
Prior Sale	Nov 20, 2012
Deed Document Number	20181325336
Prior Transfer Date	Dec 31, 2014
Prior Transfer Doc	0001252641
Record Updated	Sep 20, 2026

March 2018: Trustee's Deed, Construction Loan

Document Type	Trustee's Deed
Jurisdiction	ST LOUIS MN
Recording Date	Mar 19, 2018
Property Address	309 W SUPERIOR ST, DULUTH, MN 55802-1608
Instrument Date	Mar 16, 2018
Instrument	A1329606
Transaction Type	Construction Loan
Record Updated	Apr 11, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	202 3RD AVE PROCTOR MN 558101617, PROCTOR, MN 55810-1617

Mortgage

Document Number	00A1329606
Date	Mar 19, 2018
Instrument	A1329606

Lender

Name	NB COMMERCE
Type	Bank
Address	SUPERIOR, WI 54880

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

January 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	ST LOUIS MN
Recording Date	Jan 4, 2018
Property Address	309 W SUPERIOR ST, DULUTH, MN 55802-1608
Document Number	00A1325336
Instrument Date	Dec 28, 2017
Instrument	A1325336
Transaction Type	Transfer
Record Updated	Aug 30, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$788.70
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	2610 STEWART AVE WAUSAU WI 544014174, WAUSAU, WI 54401-4174

Mortgage

Document Number	A1325337
Date	Jan 4, 2018
Instrument	A1325337

Lender

Name	NATIONAL BK/COMMERCE
Type	Bank
Address	SUPERIOR, WI 54880

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: St. Louis County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Minnesota
County	St. Louis County
Municipality	Duluth City
Unified School District	Duluth Public School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$7,308.00 (+4.34%)
2025	$7,004.00 (+7.49%)	$297,200 (-) Land $99,700 Building $197,500	$297,200 (-) Land $99,700 Building $197,500
2024	$6,516.00	$297,200 (+8.03%) Land $99,700 Building $197,500	$297,200 (+8.03%) Land $99,700 Building $197,500
2022		$275,100 Land $94,500 Building $180,600	$275,100 Land $94,500 Building $180,600

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective March 24, 2025 · 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 Policies	1 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 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	Duluth serves 86,859 people · EPA ID MN1690011
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	8 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Turbidity resolved · Oct 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 357 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30

May also be available: Airfiber, AT&T, Fidium Fiber.

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