Up-Down Duplex with Attached
New
For Sale
$250,000
3427 Garretson Ave, Sioux City, IA 51106
MULTI_FAMILY - Sioux City, IA
Property Size2,334 SF
Lot Size0.27 Acres
Price / SF$107.11
Days on Market2
Property Features for 3427 Garretson Ave
General Information
Property type
Residential Multi Family
Property subtype
Other
Zoning
NC.4
Bedrooms
5
Bathrooms
2
Full bathrooms
2
Rooms
Bedroom 3, Bedroom 4, Bedroom 5, Bathroom 1, Bathroom 2, Bedroom 2, Bedroom 1
Elementary school
Spalding
Middle school
East Middle
High school
East High
Subdivision
Mside North
Standard status
Active
APN
884706132010
Size
2,334 SF
Lot size
0.27 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
PETERS PLACE EX W 6 FT LOT 20 & L OT 21 & EX E 20 FT L OT 22 BLK K
Tax Annual Amount
3986
Legal Description
PETERS PLACE EX W 6 FT LOT 20 & L OT 21 & EX E 20 FT L OT 22 BLK K
Utilities
Heating system
Forced Air
Cooling system
Central Air
Building Details
Year built
1920
Number of units
2
Listing Agency:
Century 21 ProLink
(712) 224-2300
Listed By:
Eric Banks
(712) 898-8605
Added: Aug 1
Changed: Aug 2
Last Checked: Aug 2 at 6:06AM
MLS# 834040
Copyright © 2026 Northwest Iowa Regional Board of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
3427 Garretson Ave, Sioux City, IA 51106 presents an up-down duplex on a 0.2683-acre lot with 2,334 SF under roof. Built in 1920, the property includes separate living areas for an upstairs and downstairs layout, with three bedrooms in the lower unit and two bedrooms in the upper unit. Each unit is served by its own furnace/AC system, and all utilities are metered separately. Interior updates include new interior paint and new carpeting, along with exterior improvements such as siding, shingles, gutters, and windows.
The duplex is zoned NC.4 and includes an oversized, attached one-stall garage. Heating is forced air and cooling is central air. The property is next door to Morningside University, supporting tenant demand for the immediate area.
The duplex is zoned NC.4 and includes an oversized, attached one-stall garage. Heating is forced air and cooling is central air. The property is next door to Morningside University, supporting tenant demand for the immediate area.
Key Highlights
- Up‑down duplex with 2,334 SF on a 0.2683‑acre lot
- Three bedrooms in the lower unit and two bedrooms in the upper unit
- Separate furnace/AC per unit with utilities metered separately
Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $26.6k | $11.40 |
| − Vacancy | −$1.3k | −$0.54 |
| EGI | $25.3k | $10.86 |
| − OpEx | −$7.6k | −$3.26 |
| NOI | $17.7k | $7.60 |
2,334 SF · lease $11.40/SF/yr · vacancy 4.75% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$253.4K
$221.8K – $295.7K
NOI $17,741 @ 7.0% cap · market cap 7.10%
Second Best
Apartment 5plus
$234.1K
$204.9K – $273.2K
NOI $16,390 @ 7.0% cap · market cap 6.56%
Theoretical Best
Specialty Retail
$350.7K
$306.9K – $409.2K
NOI $24,551 @ 7.0% cap · market cap 9.82%
Zoning and permitted uses should be independently verified with authorities.
Property Analytics
Property Profile
Current Use
Lease Details
Multi-tenant
Tenancy
Yes
Utilities to site
Location Intelligence
Trade Area within ½ mile
428
Businesses Nearby
Explore this area
Business Placement
Demographics for 51106, IA
28,655
Population
11,681
Households
2.5
Avg Household Size
35
Median Age
27%
College-Educated
93%
High-School Grad
33.5 sq mi
ZIP Area
855
Density / Sq Mi
$74,486
Median Household Income
$40,495
Median Earnings
$1,080
Median Rent
$186,300
Median Home Value
Market
Vacancy Rate% for Multifamily in Midwest region
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.
Frequently Asked Questions
What type of property is this?
Duplex - Up-down duplex with separate HVAC and separately metered utilities, plus an oversized attached one-stall garage.
Where is this duplex located?
The property is located at 3427 Garretson Ave Sioux City, IA.
What is the asking price?
The asking price for this property is $250,000.
What are key features of this property?
This property features: Up‑down duplex with 2,334 SF on a 0.2683‑acre lot; Three bedrooms in the lower unit and two bedrooms in the upper unit; Separate furnace/AC per unit with utilities metered separately
