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    318 N Main Ave Sioux Center, IA 51250

    Sponsored
    For Sale
    $485,000

    Commercial - Sioux Center, IA

    Lot size:
    0.20 Acres
    Days on Market:
    28
    Last Refresh:
    Feb 1 at 5:06 pm

    Property Features for 318 N Main Ave

    General Information

    Property type
    Commercial Sale
    Property subtype
    Other
    Standard status
    Active
    Zoning
    GC
    APN
    1604151006
    Parking
    10
    Exterior features
    Level Lot
    Lot size
    0.20 Acres

    Utilities

    Heating system
    Forced Air

    Building Details

    Year built
    1955
    Floors in Building
    1
    Building materials
    Brick, Stucco
    Architectural style
    Other

    We can help!

    Listing Contact
    Jennifer Jansen
    Jennifer Jansen

    Epic Realty Inc. (712) 722-5150

    Listing agent Jennifer Jansen (712) 722-5150 License #B55837

    Listing date Jan 5, 2026

    MLS# 822495 Listing URL

    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.

    Learn more

    Property Insight Report

    Overview

    Downtown Sioux Center Commercial Space

    Located in downtown Sioux Center, this commercial space is ADA compliant and features excellent road frontage. The property includes an updated storefront, a welcoming entry and reception area, functional office spaces, and private parking at the rear of the building. The interior layout is flexible, as there are no interior load-bearing walls, allowing the entire space to be opened up. Currently, the space is configured with 8 office spaces, 2 bathrooms, a breakroom, a reception area with a filing room, a waiting area, a front room, and storage/mechanical space. The reception area and offices are equipped with functional built-ins, carpet, and custom millwork. Value-added updates include a roof replacement in 2007 (resealed in 2022), windows, interior remodel, HVAC, an ADA restroom, new electrical (2007), lighting, parking lot, and paint. The average utilities cost is $350. The lot size is 0.2 acres.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Office space

    Suggested Use

    Realty agency Law Firm Restaurant Spa & Massage Dental Office Hair Salon Nail Salon Clothing Store Building Supply Gym & Fitness

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Sioux Center
    County
    Sioux
    State
    Iowa
    Longitude
    -96.17539
    Latitude
    43.0801447

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    FAQs

    What type of property is this?
    Office space - ADA compliant commercial space with excellent road frontage and private parking.
    Where is this office space located?
    The property is located at 318 N Main Ave Sioux Center, IA.
    What is the asking price?
    The asking price for this property is $485,000.
    What are key features of this property?
    This property features: - Prime commercial location in downtown Sioux Center with excellent road frontage.; - ADA compliant space with updated storefront and welcoming entry.; - Flexible interior layout offers options for multiple offices or one large space.
    (712) 441-3232
    Request Owner's contact information
    318 N Main Ave Sioux Center, IA 51250
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    Sioux Center, IA 51250
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    Realmo Value Estimations

    Realmo estimates a property’s market value using a proprietary methodology that incorporates public data and user-submitted information. This cumulative value is generated by integrating a variety of conventional and innovative methods. 

    Disclaimer

    These figures are not official appraisals and should not be used as a substitute for a valuation performed by a licensed appraiser.
    Actual market value may differ due to factors not captured in the data. Estimates are offered for informational purposes only, and users should conduct independent research before making financial or investment decisions.
    By using this feature, you acknowledge that Realmo is not responsible for actions taken based on these estimates.

    AI approach

    Realmo AI Method estimates property value using machine learning models trained on millions of comparable listings, transactions, and market signals. It analyzes property features, location intelligence data, and current market dynamics to predict the most probable market value in real time.

    Realmo CapRate Calculation

    Realmo calculates the Capitalization Rate (Cap Rate) to help estimate a property's potential return on investment. The Cap Rate is a fundamental metric in commercial real estate that measures the relationship between a property's net operating income and its market value.

    How We Calculate Cap Rate

    Cap Rate Formula:
    Cap Rate (%) = (Net Operating Income / Property Value) × 100

    Net Operating Income (NOI) Formula:
    NOI = Area × Lease Rate × (1 - Vacancy Rate) × (1 - Operating Expense Ratio)

    Components

    Net Operating Income (NOI) represents the annual income a property generates after operating expenses:

    • Area: Building square footage from property records
    • Lease Rate: Annual $/sqft based on market data for the property type and geographic location
    • Vacancy Rate: Percentage of unoccupied space based on market data for the property type and location
    • Operating Expense Ratio: Operating costs as a percentage of income, varies by property type

    Property Value is derived from:

    • Recent sale price (if available)
    • Statistical models using comparable sales
    • AI-powered valuation estimates

    Example Calculation

    For a 100,000 sqft Office Building:

    • Lease Rate: $25.00/sqft/year (market data for Office in this area)
    • Vacancy Rate: 8% (market data for Office in this area)
    • Operating Expense Ratio: 35% (typical for Office properties)
    • Property Value: $15,000,000

    Step 1: Calculate NOI

    NOI = 100,000 × $25.00 × (1 - 0.08) × (1 - 0.35)
    NOI = 100,000 × $25.00 × 0.92 × 0.65
    NOI = $1,495,000/year

    Step 2: Calculate Cap Rate

    Cap Rate = ($1,495,000 / $15,000,000) × 100
    Cap Rate = 9.97%

    Property Type Considerations

    Net Operating Income calculations vary by property type due to different operating expense ratios:

    • Office: Higher expenses (30-40%) for HVAC, utilities, maintenance
    • Retail: Moderate expenses (25-35%) for common area maintenance
    • Industrial/Warehouse: Lower expenses (15-25%) for minimal tenant services
    • Multifamily: Moderate expenses (35-45%) including property management
    • Self-Storage: Lower expenses (25-35%) due to minimal maintenance

    Market lease rates and vacancy rates are specific to each property type and geographic location, reflecting local market conditions.

    Disclaimer

    These calculations are estimates for informational purposes only and should not be used as a substitute for professional financial analysis or appraisal.

    • Cap Rate calculations depend on market data that may change over time
    • Actual operating expenses, lease rates, and vacancy rates may differ from market averages
    • Individual property conditions, lease terms, and tenant quality significantly impact actual NOI
    • Property value estimates are approximations and not official appraisals
    • Cap rates vary widely by market, property condition, and investment risk profile

    Professional Guidance Recommended: Before making any investment or financial decisions, consult with licensed appraisers, commercial real estate brokers, and financial advisors who can evaluate your specific property and circumstances.
    By using this feature, you acknowledge that Realmo is not responsible for investment decisions or actions taken based on these estimates.

    Cap approach

    Capitalization Method calculates value based on estimated net operating income (NOI) and applying a market-based capitalization rate (cap rate), we estimate what a typical investor might be willing to pay for it.

    Comparable approach

    Comparable estimate is based on recent sales of similar nearby properties, adjusted for factors like size, condition, and location.

    Relative

    Relative property class coefficient uses factors that account for typical price differences between various asset types (e.g., retail vs. industrial) to provide a more accurate market-aligned estimate.

    Geo

    Comparable Sales Method, enhanced by Geo coefficients — location-based adjustment factors that reflect differences in price levels across neighborhoods, cities, or regions ensuring a more accurate, market-sensitive valuation.

    Stat Estimate

    This method estimates value based on actual market adjusted recent (~5 years) sales of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all similar sales ($/sqft) are above this value
    • Range-to: 75% of all similar sales ($/sqft) are below this value
    AI Estimate

    This method estimates value based on AI market estimation of comparable properties around by location and property type.

    • Ranges - area data calculated by industry standard IQR Outlier Removal Method
    • Range-from: 75% of all estimations ($/sqft) are above this value
    • Range-to: 75% of all estimations ($/sqft) are below this value
    Alternative use

    Estimate considers the property’s potential value if used for a different purpose-based on zoning, demand, and market feasibility.

    More about this property
    318 N Main Ave Sioux Center, IA 51250
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    We can help!
    Listing Contact
    Jennifer Jansen
    Jennifer Jansen
    Real Estate License ID: B55837
    (712) 441-3232
    Learn more
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