For sale

$1,199,900

350 S Main Ave #504, Sioux Falls, SD 57105

2beds

1,836sqft

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Condominium

Built in 2018

-- sqft lot

$-- Zestimate^®

$654/sqft

$1,430/mo HOA

What's special

Two underground parking spots

Is Downtown Sioux Falls calling you? The seller is motivated! Bring an offer! Washington Square is Sioux Falls original premier luxury condominium building, across the street from the Washington Pavilion and steps to the heart of Phillips and Main Avenues' dining and entertainment options. This 2 bedroom, 2 bathroom condo is on the 5th floor of this 22-unit building. This property has south facing windows & balcony! This property is quiet and stunning! This property has an open kitchen/living/dining area that is lit up with the light from the south facing windows! The property allows you to have the ability to have minimal maintenance obligations & the association has so many amenities! Those include the penthouse community room & rooftop terrace, an exercise room, a rooftop dog relief space, dog washing station & a underground heated car wash bay! The unit includes two underground parking spots and a storage area. This listing is by appointment only to qualified buyers.

61 days

524

11

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 2
Bathrooms: 2
Full bathrooms: 2
Main level bedrooms: 2

Primary bedroom

Description: WIC, full bath
Level: Main
Area: 176
Dimensions: 16 x 11

Bedroom 2

Description: dbl closet, pass thru bath
Level: Main
Area: 140
Dimensions: 14 x 10

Kitchen

Description: open to living/dining
Level: Main
Area: 270
Dimensions: 15 x 18

Living room

Level: Main
Area: 420
Dimensions: 21 x 20

Appliances

Included: Washer, Dryer

Features

Main Floor Laundry, Master Bath
Flooring: Tile
Basement: None

Interior area

Total interior livable area: 1,836 sqft
Finished area above ground: 1,836
Finished area below ground: 0

Video & virtual tour

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Property

Parking

Total spaces: 2
Parking features: Garage
Garage spaces: 2

Features

Patio & porch: Patio

Lot

Size: 701 Square Feet
Features: Irregular Lot

Details

Parcel number: 012216363002005

Construction

Type & style

Home type: Condo
Architectural style: Ranch
Property subtype: Condominium

Materials

Brick
Roof: Other

Condition

Year built: 2018

Utilities & green energy

Sewer: Public Sewer

Community & HOA

Community

Subdivision: WASHINGTON SQUARE ADDITION

HOA

Has HOA: Yes
Amenities included: Comm Center, Maintenance Structure, Fitness Center, Trash, Snow Removal, Water
HOA fee: $1,430 monthly

Location

Region: Sioux Falls

Financial & listing details

Price per square foot: $654/sqft
Annual tax amount: $9,751
Date on market: 5/20/2026

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
5/20/2026	Listed for sale	$1,199,900-7.7%$654/sqft
Source: Realtor Association of the Sioux Empire #22603543 Report a problem
5/20/2026	Listing removed	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22602188 Report a problem
4/1/2026	Listed for sale	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22602188 Report a problem
4/1/2026	Listing removed	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22600003 Report a problem
1/1/2026	Listed for sale	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22600003 Report a problem
1/1/2026	Listing removed	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22507661 Report a problem
10/7/2025	Listed for sale	$1,300,000$708/sqft
Source: Realtor Association of the Sioux Empire #22507661 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Est. payment

Payment breakdown

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Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: Downtown

Getting around

90 / 100

Very Walkable

34 / 100

Some Transit

76 / 100

Very Bikeable

Nearby schools

GreatSchools rating

3/10
Susan B. Anthony Elementary
Grades: PK-5Distance: 1.2 mi
8/10
Patrick Henry Middle School - 07
Grades: 6-8Distance: 1.4 mi
6/10
Lincoln High School - 02
Grades: 9-12Distance: 2 mi

Schools provided by the listing agent

Elementary: Susan B Anthony ES
Middle: Patrick Henry MS
High: Lincoln HS
District: Sioux Falls

Source: Realtor Association of the Sioux Empire. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.