Add Listing
    For Lease
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    AI Search
    Back to Search
    The Largest CRE Database in the US with Over 1 Million Listings

    312 Main St Gaithersburg, MD 20878

    View on Map
    Sponsored
    For Lease
    $1,959 /Mo

    CommercialLease - GAITHERSBURG, MD

    Type:Retail
    Property size:
    1,000 SF
    Days on Market:
    11
    Last Refresh:
    Mar 7 at 2:06 am

    Property Features for 312 Main St

    General Information

    Property type
    Other
    Property subtype
    Retail
    Standard status
    Active
    Parking features
    Parking Lot, On Street
    Size
    1,000 SF

    Utilities

    Cooling system
    Central Air

    Building Details

    Year built
    2001
    Number of units
    1

    We can help!

    Listing Contact
    Douglas M Miller
    Douglas M Miller

    Miller Realty Services, LLC (301) 947-3788

    Listing agent Douglas M Miller (301) 947-3788 License #95542

    Listing date Feb 25, 2026

    MLS# MDMC2210058

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

    Learn more

    Property Insight Report

    Overview

    Gaithersburg Retail/Office Space Available

    This professional office/retail space is located on the second floor and offers approximately 1,000 square feet. The layout includes a private office and an updated 1/2 bath. The property features two entrances, one at the front and one at the rear. Signage is permitted on both the front and rear of the building, which the landlord will provide as part of the lease agreement. Ample free parking is available in both the front and rear of the building. The property benefits from high visibility on two sides. Its location provides convenient access to routes 270 and 370 (ICC). The space is turn-key and ready for immediate occupancy. All utilities are included in the CAM charges, which are $175.00 per month and cover sewer, water, and electric services.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    CERIUM PHARMACEUTICALS, INC. Factory Life Balance Medical ... Medical Clinic National Safety & Health ... Training Center Rowekamp Barry L ... Physician

    Suggested Use

    Law Firm Real Estate Agency 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
    Gaithersburg
    County
    Montgomery
    State
    Maryland
    Longitude
    -77.23824
    Latitude
    39.12189

    Nearby Similar for Lease

    • Sponsored
      Contact for pricing

      Washingtonian Boulevard

      Meet, work or collaborate in our professional Columbia Center business center
      9711 Washingtonian Blvd, Gaithersburg, MD 20878
      View Details
    • $2,400 /Mo
      2,178 SF

      Gaithersburg Office Space for Lease

      Well-maintained 880 SF office suite in Russell Office Park.
      945 Russell Ave, Gaithersburg, MD 20879
      View Details
    • $1,300 /Mo
      2,178 SF

      Gaithersburg Office Condo For Rent

      Second-level office condo in Russell Office Park, ready for occupancy.
      965 Russell Ave, Gaithersburg, MD 20879
      View Details
    • $23 SF/Yr
      24,323 SF

      Plug and Play Office Sublease

      Full floor office sublease with abundant natural light and furniture.
      9711 Washingtonian Blvd, Gaithersburg, MD 20878
      View Details
    • $4,500 /Mo

      Gaithersburg Office Building For Rent

      Office building in Gaithersburg with CD zoning available for rent.
      212 Frederick Ave S, Gaithersburg, MD 20877
      View Details
    • $6,900 /Mo

      Gaithersburg Commercial Space Available

      Office, retail, or warehouse space available for immediate occupancy.
      411 E Diamond Ave, Gaithersburg, MD 20877
      View Details
    • $700 /Mo

      Gaithersburg Office Space Available

      Shared office space near NIST and DMV, Gaithersburg.
      847 Quince Orchard Blvd, Gaithersburg, MD 20878
      View Details
    • Contact for pricing
      24,637 SF

      Gaithersburg Office Space For Rent

      Office space in Gaithersburg with exterior entrance and parking.
      904 Wind River Ln, Gaithersburg, MD 20878
      View Details
    • Contact for pricing
      2,168 SF

      Retail Space in Grocery-Anchored Center

      Retail spaces available in a renovated, high-visibility shopping center.
      16510-16520 S Westland Dr, Gaithersburg, MD 20877
      View Details
    • Contact for pricing
      15,000 SF

      Retail Space in Diamond Square

      Retail spaces available for lease in Gaithersburg, Maryland.
      28 Bureau Dr, Gaithersburg, MD 20878
      View Details
    • $44 SF/Yr
      3,900 SF

      Automotive Building with Six Bays

      3,900 SF corner building with six automotive bays for rent.
      457 N Frederick Ave, Gaithersburg, MD 20877
      View Details
    • Contact for pricing
      2,632 SF

      Gaithersburg Shopping Center Space

      Giant-anchored shopping center in Gaithersburg, Maryland available for rent.
      78 Bureau Dr, Gaithersburg, MD 20878
      View Details

    FAQs

    What type of property is this?
    Retail space - Professional retail/office space with utilities included in CAM charges.
    Where is this retail space located?
    The property is located at 312 Main St Gaithersburg, MD.
    What is the lease rate?
    The lease rate is $1,959 /Mo.
    What are key features of this property?
    This property features: - All utilities included in CAM charges ($175/month): covers sewer, water, and electric.; - **Turn-key and ready for immediate occupancy.**; - **Free, ample parking in both front and rear of building.**
    (301) 219-9803
    Request Owner's contact information
    312 Main St Gaithersburg, MD 20878
    Message sent successfully
    Error
    If you are the owner or broker of this property and would like to edit or remove this listing please send a message to web site administrator.
    312 Main St
    Gaithersburg, MD 20878
    Message sent successfully
    Error
    Email to Your Friends
    Link copied to clipboard
    Separate multiple addresses with a comma
    Message sent successfully
    Error

    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
    312 Main St Gaithersburg, MD 20878
    Thanks! Your message was sent.
    Error! Your message wasn't sent.
    Please enter your name
    Please enter email
    Please enter the email in the correct format
    Please enter phone
    Please enter the number in the correct format
    Please enter message
    Thank You

    You are Unsubscribed From Notifications

    We can help!
    Listing Contact
    Douglas M Miller
    Douglas M Miller
    Real Estate License ID: 95542
    (301) 219-9803 (301) 947-3788
    Learn more
    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!