For sale

$207,000

518 S Helen St, Sioux City, IA 51106

3beds

1,584sqft

$1,542/mo

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Multi Family

Built in 1920

-- sqft lot

$194,500 Zestimate^®

$131/sqft

$-- HOA

What's special

Modern flooring

Solid investment opportunity on Sioux City’s east side. This well-maintained triplex at 518 S Helen features three individual units: a comfortable 2-bed upper, a practical 1-bed main-level unit, and an efficient studio in the rear. Each space has been updated, including modern flooring and general improvements that support reliable, low-maintenance ownership. Whether you’re adding to an established portfolio or stepping into multifamily ownership, this triplex provides a clean, updated, and income-ready option in a convenient location. Owner pays water, sewer, trash for all units and electric for unit 3

90 days

169

7

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 3
Full bathrooms: 1
3/4 bathrooms: 2

Heating

Forced Air

Cooling

None

Interior area

Total structure area: 1,584
Total interior livable area: 1,584 sqft
Finished area below ground: 792

Property

Parking

Parking features: No Garage

Lot

Size: 8,712 Square Feet

Details

Parcel number: 894735152008
Zoning: nc-4
Zoning description: nc-4

Construction

Type & style

Home type: MultiFamily
Property subtype: Multi Family

Condition

Year built: 1920

Utilities & green energy

Sewer: Public Sewer
Water: City

Community & HOA

Location

Region: Sioux City

Financial & listing details

Price per square foot: $131/sqft
Tax assessed value: $140,900
Annual tax amount: $2,773
Price range: $207K - $207K
Date on market: 4/29/2026
Total actual rent: 2350
Tenant pays: Electricity, Gas

Estimated market value

$194,500

$185,000 - $204,000

$1,137/mo

Price history

Date	Event	Price
4/29/2026	Listed for sale	$207,000$131/sqft
Source: Northwest Iowa Regional BOR #832750 Report a problem
4/27/2026	Listing removed	$207,000$131/sqft
Source: Northwest Iowa Regional BOR #831134 Report a problem
2/17/2026	Price change	$207,000-1.4%$131/sqft
Source: Northwest Iowa Regional BOR #831134 Report a problem
12/4/2025	Listed for sale	$210,000+61.5%$133/sqft
Source: Northwest Iowa Regional BOR #831134 Report a problem
12/2/2021	Sold	$130,000+44.4%$82/sqft
Source: Public Record Report a problem
4/21/2021	Sold	$90,000+12.5%$57/sqft
Source: Public Record Report a problem
3/6/2019	Sold	$80,000$51/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$2,772 +4.1%	$140,900 -8.1%
2024	$2,664 +7.5%	$153,400
2023	$2,478 +25.4%	$153,400 +24.2%
2022	$1,976 +35.3%	$123,500 +45.1%
2021	$1,460 -9%	$85,100 +39.7%
2020	$1,605 -5.7%	$60,900
2019	$1,702 -5.8%	$60,900 +6.5%
2018	$1,806	$57,200 +7.3%
2017	$1,806 -2.5%	$53,300
2016	$1,852	$53,300
2015	$1,852 +1.6%	$53,300 +7.5%
2014	$1,822 -11.7%	$49,600
2013	$2,064 -0.8%	$49,600
2012	$2,080	--

Find assessor info on the county website

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: 51106

Getting around

67 / 100

Somewhat Walkable

24 / 100

Minimal Transit

39 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

5/10
Spalding Park Elementary
Grades: PK-5Distance: 0.8 mi
7/10
East Middle School
Grades: 6-8Distance: 2.4 mi
5/10
East High School
Grades: 9-12Distance: 2.8 mi

Schools provided by the listing agent

Elementary: Spalding
Middle: East Middle
High: East High

Source: Northwest Iowa Regional BOR. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.