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    Ready Lot in Star Valley Title is generated by Realmo AI

    12290 South Star Drive, Custer, SD 57730

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    Claim this Listing
    For Sale
    $219,900

    Residential Single Family - Custer, SD

    Type:Single Family Residence
    Lot size:
    1.87 Acres
    Added:
    Dec 5, 2025
    Days on Market:
    169
    Last Refresh:
    May 23 at 8:06 pm

    Property Features for 12290 South Star Drive

    General Information

    Property type
    Land
    Property subtype
    Single Family Residence
    Exterior features
    Trees
    Standard status
    Active
    Lot size
    1.87 Acres

    Building Details

    Architectural style
    Other

    We can help!

    Listing Contact
    Shawn Lewis

    Listing agent Shawn Lewis

    Listing office Lewis Realty 14 W Mt Rushmore Rd, Custer, SD

    Listing date Dec 5, 2025

    MLS# 86851 Listing URL

    Copyright © 2026 Mt. Rushmore Area Association 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.

    HighLights

    • Ready‑to‑build lot with completed major improvements: clearing, grading, drainage, utilities, septic system, well, and foundation.
    • High‑producing well (60 GPM) with paid pump and pressure tank ready for installation.
    • Includes a 30x40 concrete foundation with crawlspace and RV site with 200 AMP hookup and sewer clean‑out.
    • Convenient location: 4.5 miles south of Custer, near Custer State Park, Black Hills National Forest, and Mount Rushmore.
    • Allows RV living during construction and camping for up to 3 months per year.
    • Peaceful setting with pond views, frequent waterfowl, and elk sightings; near USFS land and the Mickelson Trail.

    Overview

    This 1.87-acre lot is located 4.5 miles south of Custer in the Star Valley area. The property features a 30x40 concrete foundation with a 4-foot crawlspace and six vents. The lot has been cleared, graded, and prepared with drainage and utilities. A 1500-gallon septic system and a drilled well providing 60 GPM have been installed. The well is steel-encased and was drilled by Alexander Drilling. The well pump and pressure tank are paid for and ready for installation once construction begins. The septic system was installed by Nielsen. Electric service with a 200 AMP hookup is available, along with an RV site and nearby sewer clean-out. Fiber internet from Golden West is accessible along the road. The concrete work was completed by K2. The lot has been recently seeded. The property offers views of a pond across the road and is frequented by waterfowl and elk. It is located near USFS land and provides easy access to the Mickelson Trail. Covenants allow for RV living during construction and camping for up to 3 months per year, facilitated by the existing 200 amp RV site and sewer clean-out. The property is minutes from Custer State Park, Black Hills National Forest, and Mount Rushmore.
    Property Profile Location Intelligence

    Current Use by Public Records

    Residential land & home ...

    Suggested Use

    Real Estate Agency

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

    Location Insight

    • Map
    • Local Demand
    City
    Custer
    County
    Custer
    State
    South Dakota
    Longitude
    -103.674364
    Latitude
    43.801795

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    FAQs

    What type of property is this?
    Residential land & home lot - Prepared lot with foundation, utilities, and RV site near Custer.
    Where is this residential land & home lot located?
    The property is located at 12290 South Star Drive Custer, SD.
    What is the asking price?
    The asking price for this property is $219,900.
    What are key features of this property?
    This property features: Ready‑to‑build lot with completed major improvements: clearing, grading, drainage, utilities, septic system, well, and foundation.; High‑producing well (60 GPM) with paid pump and pressure tank ready for installation.; Includes a **30x40 concrete foundation with crawlspace** and **RV site with 200 AMP hookup and sewer clean‑out.**
    (605) 440-0737
    We can help!
    Listing Contact
    Shawn Lewis
    Request Owner's contact information
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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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