512 N Main Ave, Sioux Falls, SD 57104 Property Records

Minnehaha County property record for 512 N Main Ave, Sioux Falls, SD 57104

Property Summary

Property Type	Office Building
Details	3 ba · 4,576 sqft · built 1919
Lot Size	0.402 acres (17,515 sqft)
Owner	Company Name on File
Tax Bill	$9,361 (2025)
Deeds & Mortgages	Mar 2022 Line of Credit Aug 2018 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`01-22-16-161-001-000`

Property Details

APN / Parcel Number

Primary APN	`01-22-16-161-001-000`
Alternative APN	`27663`

Interior

Full Baths	3 Baths
Plumbing Fixtures	7 Plumbing Fixtures
Stories	1 Story
Building Area	4,576 sqft Heated Area
1st Floor Area	2,288 sqft
Basement Area	2,288 sqft
Finished Basement	2,288 sqft
Flooring	Concrete/Cement
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1919
Effective Year Built	Effective 2006
Exterior Material	Combination
Foundation Type	Stone
Roof Type	Flat
Roof Material	Other
Lot Area	17,515 sqft (0.402 acres)
Parking Spaces	5 Parking Spaces

Utilities, Heating & Cooling

Cooling System	None
Heating System	HVAC
Heating Fuel	Gas
Sewer	Connected

Location & Zoning

Account Number	27663
Street Address	512 N MAIN AVE
City	SIOUX FALLS
State	SD
Zip	57104-5902
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	C3;GENERAL
Legal Description	LOT 1 QUADRIGA GROUP ADDN TO THE CITY OF SIOUX FALLS
Legal Subdivision	QUADRIGA GROUP ADDN
Legal Lot Number	1
Jurisdiction	MINNEHAHA SD
Township / Civil Division	SIOUX FALLS
Census Block Group	4
Census Block	4017
Census Tract	100

Historic Designation

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

Historic District	Within the Old Courthouse and Warehouse District (Boundary Increase) listed 1999 · 12 contributing resources · NRIS 99000204

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

Owner

512 N Main Ave, a commercial property, is owned by a company.

Source: Minnehaha County records, as of September 23, 2026

Owner of Record	Company Name on File
Mailing Address	512 N MAIN AVE, SIOUX FALLS, SD 57104-5902
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
Mar 2, 2022	Intrafamily Transfer, Transfer · Line of Credit FIRST DAKOTA NATIONAL BANK
Aug 10, 2018	Deed of Trust, Mortgage · Commercial Mortgage BANK MIDWEST
Mar 20, 2019	Deed of Trust, Mortgage · Line of Credit FIRST DAKOTA NATIONAL BANK

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Oct 29, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MINNEHAHA SD
Recording Date	Mar 2, 2022
Property Address	512 N MAIN AVE, SIOUX FALLS, SD 57104-5902
Document Number	611DEED/964
Book / Page	611 DEED / 964
Instrument Date	Feb 22, 2022
Transaction Type	Transfer
Record Updated	Apr 25, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	512 N MAIN AVE, SIOUX FALLS, SD 57104-5902

Mortgage

Document Number	1947MTG717
Date	Mar 2, 2022
Instrument	1947 MTG/717

Lender

Name	FIRST DAKOTA NATIONAL BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MINNEHAHA SD
Property Address	512 N MAIN AVE, SIOUX FALLS, SD 57104-5902
Transaction Type	Mortgage
Record Updated	Oct 4, 2019

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1845MTG/238
Date	Aug 10, 2018
Book Page	1845 MTG/238

Lender

Name	BANK MIDWEST
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Commercial Mortgage
Amount	Amount on Record
Term	17 Months
Due	Jan 1, 2020

March 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MINNEHAHA SD
Property Address	512 N MAIN AVE, SIOUX FALLS, SD 57104-5902
Transaction Type	Mortgage
Record Updated	Oct 4, 2019

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1856MTG/0319
Date	Mar 20, 2019
Book Page	1856 MTG/0319

Lender

Name	FIRST DAKOTA NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 512 N Main Ave was $9,361.

Source: Minnehaha County assessment roll, as of July 16, 2026

Property Jurisdictions

Type	Name
State	South Dakota
County	Minnehaha County
Municipality	Sioux Falls City
Unified School District	Sioux Falls School District 49-5 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$759,600 (+37.53%) Land $273,700 Building $485,900	$759,600 Land $273,700 Building $485,900
2025	$9,361.00	$552,300 (+0.24%) Land $244,300 Building $308,000
2024	$9,361.00	$551,000 Land $244,300 Building $306,700
2022	$8,753.00	$458,700 Land $175,200 Building $283,500

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

Flood

FEMA maps place 512 N Main Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective May 2, 2024

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 512 N Main Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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	SIOUX FALLS serves 216,462 people · EPA ID SD4600294
Water Source	Surface water
Last State Inspection	Jun 2025
Lead	3 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 440 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Bluepeak Fiber	5,000 / 5,000
Midco Cable · Fiber in parts of the area	2,000 / 350
Verizon Fixed Wireless	300 / 20

May also be available: CenturyLink, T-Mobile.

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