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    Cozy Duplex in San Antonio Title is generated by Realmo AI

    1636 Santa Anna, San Antonio, TX 78201

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    For Sale
    $179,900

    MULTI_FAMILY - San Antonio, TX

    Property size:
    1,360 SF
    Price / SF:
    $132/SF
    Added:
    Apr 24, 2026
    Days on Market:
    37
    Last Refresh:
    May 30 at 6:06 pm

    Property Features for 1636 Santa Anna

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Standard status
    Active
    Size
    1,360 SF

    Taxes and HOA fees

    Tax Annual Amount
    4199

    Building Details

    Year built
    1985

    We can help!

    Listing Contact
    Rebecca Salmeron

    Listing agent Rebecca Salmeron

    Listing office Keller Williams City-View 15510 Vance Jackson Rd, San Antonio, TX

    Listing date Apr 24, 2026

    MLS# 1918952 Listing URL

    Copyright © 2026 LERA MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

    HighLights

    • Duplex: Ideal for owner‑occupants or investors
    • Separate Entrances and Utilities: Ensures privacy and simplifies management
    • Well‑Maintained: Reducing potential maintenance costs
    • Spacious Lot: Offers potential for outdoor improvements
    • Off‑Street Parking: Provides convenient and secure parking
    • Desirable Location: Increasing property value and rental demand

    Overview

    This well-maintained duplex presents an investment opportunity or a chance for owner-occupancy with rental income. Each side of the duplex includes one bedroom, one bathroom, a living area, and a kitchen. Tenants benefit from separate entrances and electrical utilities. The property is situated on a lot with off-street parking and potential for outdoor improvements. It is suitable for investors, first-time buyers, or those seeking rental income in a desirable location. The property is located in San Antonio, Texas, with a total size of 1360 square feet.

    Local 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 $23.7k $17.40
    − Vacancy −$1.3k −$0.96
    EGI $22.4k $16.44
    − OpEx −$6.7k −$4.93
    NOI $15.7k $11.51
    1,360 SF · lease $17.40/SF/yr · vacancy 5.50% · expense 30.00%

    Alternative Uses

    Best Use
    Multifamily LT 5
    $223.6K
    $195.7K – $260.9K (±1% cap)
    NOI $15,654 @ 7.0% cap · market cap 8.70%
    Second Best
    Apartment 5plus
    $198.5K
    $173.7K – $231.5K (±1% cap)
    NOI $13,892 @ 7.0% cap · market cap 7.72%
    Theoretical Best
    Office A
    $346.9K
    $303.6K – $404.7K (±1% cap)
    NOI $24,284 @ 7.0% cap · market cap 13.50%
    Zoning and permitted uses should be independently verified with local authorities.
    Property Profile Location Intelligence

    Current Use by Public Records

    Duplexes

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office 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
    San Antonio
    County
    Comal
    State
    Texas
    Longitude
    -98.522248
    Latitude
    29.470954

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    FAQs

    What type of property is this?
    Duplex - Well-maintained duplex with rental income potential in San Antonio.
    Where is this duplex located?
    The property is located at 1636 Santa Anna San Antonio, TX.
    What is the asking price?
    The asking price for this property is $179,900.
    What are key features of this property?
    This property features: Duplex: Ideal for owner‑occupants or investors; Separate Entrances and Utilities: Ensures privacy and simplifies management; Well‑Maintained: Reducing potential maintenance costs
    (210) 696-9996
    We can help!
    Listing Contact
    Rebecca Salmeron
    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.

    More about this property
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