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    Versatile Duplex on North Main Title is generated by Realmo AI

    3575 Main Avenue, Durango, CO 81301

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    For Sale
    $785,000

    Duplex - Durango, CO

    Type:Duplex
    Property size:
    2,568 SF
    Lot size:
    0.28 Acres
    Price / SF:
    $305/SF
    Added:
    Jan 18, 2026
    Days on Market:
    123
    Last Refresh:
    May 21 at 11:06 am

    Property Features for 3575 Main Avenue

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Duplex
    Standard status
    Active
    Size
    2,568 SF
    Lot size
    0.28 Acres

    Building Details

    Year built
    1949
    Architectural style
    Other

    We can help!

    Listing Contact
    Christina Rinderle

    Listing agent Christina Rinderle

    Listing office Durango Land and Homes 528A Main Ave, Durango, CO

    Listing date Jan 18, 2026

    MLS# 831049 Listing URL

    Copyright © 2026 Colorado Real Estate Network Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Versatile duplex property on North Main Avenue offering multiple opportunities.
    • Large 12,500 sq ft lot with redevelopment potential.
    • Generous parking lot.
    • Two rental units (3 bed/1 bath & 3 bed/3/4 bath) that can be rented separately or as one home.
    • Lock‑off access, individual kitchens, and shared laundry for each unit.
    • Close proximity to Animas Mountain trailhead, Recreation Center, Animas River Trail, river launch point, grocery stores, and dining.

    Overview

    This versatile duplex property is located along North Main Avenue. It presents a multitude of opportunities for a 1031 Exchange investor looking to maintain current tenants, someone seeking to utilize the Main Avenue frontage for commercial or mixed-use purposes, or a complete redevelopment opportunity on a large 12,500 sq ft lot. The property features a generous parking lot and a house with a main level 3-bedroom, 1 full bath rental, and a lower level unit with an additional 3 bedrooms and 3/4 bath. The two rentals can be rented as one home or separately, with lock-off access, individual kitchens, and a shared back laundry room accessible from both units. There is also a non-conforming studio space on the north side. The property is situated in a great location just blocks away from Animas Mountain trailhead, Durango's Recreation Center, the Animas River Trail and River launch point, and within walking distance to grocery stores and dining options. The property size is 2568 square feet and the lot size is 0.28 acres.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Dental Office Spa & Massage Center Hair Salon Nail Salon Building Supply Gym & Fitness Center Daycare Center

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

    Location Insight

    • Map
    • Local Demand
    City
    Durango
    County
    La Plata
    State
    Colorado
    Longitude
    -107.8678247
    Latitude
    37.3052601

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    FAQs

    What type of property is this?
    Duplex - Duplex with commercial potential, redevelopment opportunity on large lot.
    Where is this duplex located?
    The property is located at 3575 Main Avenue Durango, CO.
    What is the asking price?
    The asking price for this property is $785,000.
    What are key features of this property?
    This property features: Versatile duplex property on North Main Avenue offering multiple opportunities.; Large 12,500 sq ft lot with redevelopment potential.; Generous parking lot.
    (970) 828-2222
    We can help!
    Listing Contact
    Christina Rinderle
    Real Estate License ID: ER100031326
    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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