St. Louis County property record for 121 Spring St, Duluth, MN 55808 · Last verified August 2026
| Property Type | Public Works > Marina, Boat Slips, Yacht Club, Boat Landing |
|---|---|
| Year Built | Built 1974 |
| Square Footage | 3,700 sqft Gross Area |
| Lot Size | 371,131 sqft (8.52 acres) |
| Last Sale | $1,001,800 (2008) |
| Tax Bill | $13,980.00 (2026) |
| Primary APN | 010-2746-00313 |
|---|---|
| Alternative APN |
|
| Building Area | 3,700 sqft Gross Area |
|---|---|
| 1st Floor | 3,700 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Masonry Interior Structure |
| Fire Sprinklers | The property is equipped with a fire-suppression sprinkler system |
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1974 |
| Exterior Material | Concrete Block Exterior |
| Lot Area | 371,131 sqft (8.52 acres) |
| Total Buildings | 2 Total Buildings |
| Cabin/Rustic Dwelling | 96 sqft Cabin |
| Storage Building | 72 sqft Storage Building |
| Cooling System | None Cooling |
|---|---|
| Heating System | Space Heating |
| Account Number | 873675 |
|---|---|
| Street Address | 121 SPRING ST |
| City | DULUTH |
| State | MN |
| Zip | 55808-1144 |
| Property Usage | Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage |
| Type | Public Works > Marina, Boat Slips, Yacht Club, Boat Landing |
| Legal Description | THAT PART OF GOV LOT 2 OF SEC 26 AND GOV LOT3 OF SEC 23 BEG 89.30 FT S ON U S HARBORLINEOF INTER OF MINNESOTA & WISCONSIN |
| Legal Range | 15W |
| Legal Township | 49N |
| Legal Section | 23 |
| Legal Subdivision | DULUTH LANDS IN THE CITY |
| Legal Lot Number | 2-3 |
| Jurisdiction | ST LOUIS MN |
| Minor Civil Division | DULUTH |
| Census Blockgroup | 2 |
| Census Block | 2012 |
| Census Tract | 3600 |
Source: St. Louis County records · APN 010-2746-00313
Assessment roll updated August 17, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Apr 25, 2023 | Deed of Trust, Mortgage · Commercial Mortgage NATIONAL BANK OF COMMERCE |
| Apr 26, 2023 | Deed of Trust, Mortgage · Building or Construction Mortgage NATIONAL BANK OF COMMERCE |
| Dec 06, 2018 | Loan Modification, Mortgage · Conventional Mortgage WESTERN NAT'L BK |
| Dec 06, 2018 | Loan Modification, Mortgage · Conventional Mortgage WESTERN NAT'L BK |
| Jan 01, 2017 | Loan Modification, Mortgage WESTERN NAT'L BK |
| Jan 01, 2017 | Loan Modification, Mortgage WESTERN NAT'L BK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 17, 2008 · Amount on Record |
| Deed Sale | Oct 17, 2008 · Amount on Record |
| Prior Sale | Oct 17, 2008 · Amount on Record |
| Deed Doc Number | 20081093264 |
| Prior Transfer Date | Sep 11, 2008 |
| Prior Transfer Doc | 0001093264 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Transaction Type | Mortgage |
| Record Updated | Jun 01, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001067716 |
|---|---|
| Date | Apr 25, 2023 |
| Instrument | 1067716 |
| Name | NATIONAL BANK OF COMMERCE |
|---|---|
| Type | Bank |
| Address | SUPERIOR, WI 54880 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Transaction Type | Mortgage |
| Record Updated | Jun 01, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001465610 |
|---|---|
| Date | Apr 26, 2023 |
| Instrument | 1465610 |
| Name | NATIONAL BANK OF COMMERCE |
|---|---|
| Type | Bank |
| Address | SUPERIOR, WI 54880 |
| Type | Building or Construction Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 58 Months |
| Due | Jan 31, 2028 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Document Number | 00A1347939 |
| Instrument Date | Dec 06, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 21, 2019 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 121 SPRING ST DULUTH MN 558081144, DULUTH, MN 55808-1144 |
| Document Number | 00A1347939 |
|---|---|
| Date | Jan 09, 2019 |
| Instrument | A1347939 |
| Name | WESTERN NAT'L BK |
|---|---|
| Type | Bank |
| Address | DULUTH, MN 55816-0050 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 36 Months |
| Due | Jan 08, 2022 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Document Number | 00T1006771 |
| Instrument Date | Dec 06, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 21, 2019 |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 121 SPRING ST DULUTH MN 558081144, DULUTH, MN 55808-1144 |
| Document Number | 00T1006771 |
|---|---|
| Date | Jan 08, 2019 |
| Instrument | T1006771 |
| Name | WESTERN NAT'L BK |
|---|---|
| Type | Bank |
| Address | DULUTH, MN 55816-0050 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 36 Months |
| Due | Jan 07, 2022 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Document Number | 00A1306592 |
| Instrument Date | Jan 01, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2018 |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 121 SPRING ST DULUTH MN 558081144, DULUTH, MN 55808-1144 |
| Document Number | 00A1306592 |
|---|---|
| Date | Mar 30, 2017 |
| Instrument | A1306592 |
| Name | WESTERN NAT'L BK |
|---|---|
| Type | Bank |
| Address | DULUTH, MN 55816-0050 |
| Term | 12 Months |
|---|---|
| Due | Mar 29, 2018 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | ST LOUIS MN |
| Property Address | 121 SPRING ST, DULUTH, MN 55808-1144 |
| Document Number | 000T983423 |
| Instrument Date | Jan 01, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 17, 2018 |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 121 SPRING ST DULUTH MN 558081144, DULUTH, MN 55808-1144 |
| Document Number | 000T983423 |
|---|---|
| Date | Mar 28, 2017 |
| Instrument | T983423 |
| Name | WESTERN NAT'L BK |
|---|---|
| Type | Bank |
| Address | DULUTH, MN 55816-0050 |
| Term | 12 Months |
|---|---|
| Due | Mar 27, 2018 |
Source: St. Louis County records · Assessment roll updated August 17, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Minnesota |
| County | St. Louis County |
| Municipality | Duluth City |
| Unified School District | Duluth Public School District (PK - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $13,980.00 (+2.99%) | ||
| 2025 | $891,300 (-) Land $645,700 Building $245,600 | $891,300 (-) Land $645,700 Building $245,600 | |
| 2024 | $13,574.00 | $891,300 (+227.8%) Land $645,700 Building $245,600 | $891,300 (+227.8%) Land $645,700 Building $245,600 |
| 2022 | $271,900 Land $239,200 Building $32,700 | $271,900 Land $239,200 Building $32,700 |
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