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    3100 HWY 90 E Castroville, TX 78009

    View on Map
    For Sale
    $2,700,000

    LAND - Castroville, TX

    Property size:
    2,432 SF
    Lot size:
    5.08 Acres
    Added:
    Mar 13, 2026
    Days on Market:
    20
    Last Refresh:
    Apr 1 at 3:06 pm

    Property Features for 3100 HWY 90 E

    General Information

    Property type
    Land
    Property subtype
    Other
    Zoning
    R
    Standard status
    Active
    Size
    2,432 SF
    Lot size
    5.08 Acres

    Taxes and HOA fees

    TaxAnnualAmount
    957

    We can help!

    Listing Contact
    Gianmarcos Villafane

    Listing agent Gianmarcos Villafane

    Listing office Real Broker, LLC 2626 Cole Avenue, Houston, TX

    Listing date Mar 13, 2026

    MLS# 1945339

    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.

    Overview

    Unrestricted Land in Castroville, TX

    This is a rare opportunity to own 5.077 unrestricted acres in Castroville, one of the fastest-growing areas west of San Antonio. The property is located outside the city limits of both Castroville and San Antonio, offering added flexibility. The land presents excellent investment value with endless possibilities. As commercial and residential growth continues to expand west, Castroville offers an ideal location to establish a business, develop, or build a dream home. The property has convenient access and versatile use potential. A manufactured/mobile home is currently located on the property and is negotiable but not included in the listing.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    Commercial land

    Suggested Use

    Building Supply Big Box & Wholesale Store Kitchen & Bath Showroom Storage Facility HVAC Service Garden Center Plumbing Service Pet Store & Service

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

    Location Insight

    • Map
    • Local Demand
    City
    Castroville
    County
    Medina
    State
    Texas
    Longitude
    -98.812174
    Latitude
    29.363217

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    FAQs

    What type of property is this?
    Commercial land - 5.077 acres of unrestricted land west of San Antonio.
    Where is this commercial land located?
    The property is located at 3100 HWY 90 E Castroville, TX.
    What is the asking price?
    The asking price for this property is $2,700,000.
    What are key features of this property?
    This property features: 5.077 unrestricted acres offer flexibility for business, development, or residential use.; Located in a fast‑growing area west of San Antonio, presenting strong investment potential.; Outside city limits of Castroville and San Antonio, resulting in fewer restrictions.
    (214) 202-7615
    We can help!
    Listing Contact
    Gianmarcos Villafane
    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.

    More about this property
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