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    Downtown Rapid City Office Suites Title is generated by Realmo AI

    426 Saint Joseph Street, Rapid City, SD 57701

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    Claim this Listing
    For Lease
    $6 SF/Yr $2,000/Mo (calc)

    Office suites available in historic downtown Rapid City building.

    Type:OFC
    Property size:
    3,500 SF
    Added:
    May 14, 2026
    Days on Market:
    20
    Last Refresh:
    May 18 at 11:12 am

    Property Features for 426 Saint Joseph Street

    General Information

    Standard status
    Active
    Size
    3,500 SF
    Property subtype
    OFC

    Building Details

    Year Built
    1956

    Spaces For Lease

    at 426 Saint Joseph Street Contact us

    We can help!

    Listing Contact
    Gina Plooster

    Listing agent Gina Plooster

    Listing office KW Black Hills

    Listing date May 14, 2026

    Source Realnex

    Displayed information is deemed reliable but is not guaranteed and should be independently verified.

    All listing content including descriptions, pricing, images are the copyrighted material of KW Black Hills

    HighLights

    • Gross lease at $2,000/month with utilities included.
    • Located in the historic Stockgrowers Association building in downtown Rapid City at 5th St and St Joseph St.
    • Walkable access to banks, restaurants, government offices, and professional services.
    • Two suite options available: 900 SF with 2 private offices and reception, or 3,500 SF with multiple private offices, conference room, and kitchenette.
    • Includes access to a shared conference room.
    • Convenient parking options include nearby street parking and the Block 5 parking garage.

    Overview

    Located in downtown Rapid City, two office suites are available for lease in the historic Stockgrowers Association building at 5th St and St Joseph St. The first-floor suite offers 900 square feet with two private offices and a reception area. It also includes access to a shared conference room. The second-floor suite provides 3,500 square feet and features multiple private offices, a reception area, a dedicated conference room, a kitchenette, and private restrooms. The second-floor suite also has access to an additional shared conference room on the first floor. The suites are situated within walkable access to banks, restaurants, government offices, and professional services. Nearby street parking and the Block 5 parking garage are available. The gross lease is $2,000 per month, which includes utilities.
    Location Intelligence

    Current Use by Public Records

    Office Units

    Suggested Use

    Restaurant Real Estate Agency Law Firm Building Supply Dental Office Spa & Massage Center Big Box & Wholesale Store Auto Repair Shop Hair Salon Auto Parts Store

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

    Location Insight

    • Map
    • Local Demand
    City
    Rapid City
    County
    Pennington
    State
    South Dakota
    Longitude
    -103.2248664
    Latitude
    44.0797968

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    FAQs

    What type of property is this?
    Office units - Office suites available in historic downtown Rapid City building.
    Where is this office units located?
    The property is located at 426 Saint Joseph Street Rapid City, SD.
    What is the lease rate?
    The lease rate is $6 SF/Yr.
    What are key features of this property?
    This property features: Gross lease at $2,000/month with utilities included.; Located in the historic Stockgrowers Association building in downtown Rapid City at 5th St and St Joseph St.; Walkable access to banks, restaurants, government offices, and professional services.
    (605) 519-0749
    We can help!
    Listing Contact
    Gina Plooster
    Learn More
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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.

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