9817 Mainsail Drive

Gaithersburg, MD
$ 735,000 Beds 4 Baths 2.5 Sq 2,560
Monthly Estimate* How much can I afford?

Welcome to 9817 Mainsail Drive! Situated on a half-acre lot, you'll find the best backyard in the neighborhood! Whether you're entertaining guests, enjoying family time, or simply relaxing outdoors, this backyard offers a rare combination of space, privacy, and enjoyment. Inside, you'll find 4 bedrooms, 2.5 bathrooms, and a versatile den that can easily serve as a home office, playroom, or flex space to meet your needs. A 2-car garage provides added convenience and storage. The home's thoughtful layout is complemented by a stunning living room featuring tall ceilings and skylights that fill the space with natural light and create an open, airy feel. Meticulously maintained by its original owners and thoughtfully improved over the years, this is the kind of house that truly feels like home. Major updates include a new HVAC system, radon mitigation system, updated windows and doors, and new insulation in both the attic and basement. These significant investments enhance comfort, efficiency, and peace of mind for years to come. Upstairs, the spacious primary suite offers an ensuite bathroom featuring a soaking tub and separate shower. Three additional bedrooms and a full bathroom complete the second level, providing plenty of space for family, guests, or hobbies. Combining meaningful updates, flexible living spaces, and a backyard that truly steals the show, 9817 Mainsail Drive offers a rare opportunity to own a home that has been thoughtfully maintained and genuinely loved. Conveniently located near parks, shopping, dining, and commuter routes, this is one you won't want to miss.

ACTIVE

  • Price
  • $ 735,000
  • City
  • Gaithersburg
  • Bedrooms
  • 4
  • Full Bathrooms
  • 2
  • County
  • MONTGOMERY
  • Half Bathrooms
  • 1
  • Area
  • Lot Size
  • 0.51 Acres
  • Zip
  • 20879
  • Sqr Footage
  • 2,560
  • Year Built
  • 1986
  • Taxes
  • $ 7014
  • Style
  • Colonial
  • MLS#
  • MDMC2253682
Listed By: Sophia Ferderer with Keller Williams Capital Properties - 2022437700;
Data Source: Bright MLS

Features

General

Living Area 2560
Sewer Public Septic
Heating Heat Pump(s)
Cooling Central A/C
Possession 31-60 Days CD,61-90 Days CD
Appliances Built-In Microwave,Dishwasher,Dryer,Disposal,Oven - Double,Oven/Range - Electric,Washer,Water Heater
Zoning R-200
HOA Fee 325.00
Garage Spaces 2.00
Architectural Style Colonial
Construction Materials Vinyl Siding,Combination,Other
School District MONTGOMERY COUNTY PUBLIC SCHOOLS
Year Built 1986
Levels 3
Tax Year 2026
Ownership Fee Simple
Cool Fuel Electric
Accessibility None
Assoc Fee Paid Per Annually
County MONTGOMERY
New Construction No
Property Type Residential
HOA Yes
Subdivision Name GOSHEN ESTATES
Garage Y/N Yes
Water Access Y/N No
Other Structures Above Grade
Full Baths 2
Status ACTIVE
Directions From I-270,take Shady Grove Rd east to Airpark Rd,then turn onto Mainsail Dr and follow to 9817 Mainsail Dr.
City GAITHERSBURG
Senior Community Y/N No
Lot Size Units Square Feet
Lot Size Square Feet 22216.00
Tax Assessed Value 575000.0
Tax Annual Amount 7014.2
Home Warranty Y/N No
Structure Type Detached
Condo/Coop Association fee Y/N No
Bathrooms Count Main Level 1.00
Price Per Sq Ft Total AG 287.11
Historic Y/N No
Lease Considered Y/N No
Vacation Rental Y/N No
Total SQFT 2560
Standard Status Active
Year Built Source Estimated
Legal Subdivision GOSHEN ESTATES
Association Recreation Fee No

Interior Features

Interior Amenities Attic,Ceiling Fan(s),Walk-in Closet(s)
Heating Fuel Electric
Basement Unfinished
Total Fireplaces 1
Hot Water Electric
Basement (Y/N) Yes
Heating Y/N Yes
Fireplace Y/N Yes
Above Grade Finished Area 2560
Half Baths 1
Central Air Y/N Yes
Total Bedrooms 4
LivingAreaSource Estimated
Bedrooms Count All Upper Levels 4
Bedrooms Count Upper Level 1 4
Bathrooms Half Main Level 1
Bathrooms Full Upper Level 1 2
Bathrooms Full All Upper Levels 2
Bathrooms Count Upper Level 1 2.00
Bathrooms Count All Upper Levels 2
Above Grade Finished Area Source Estimated
Above Grade Finished Area Unit Type Square Feet
Total Baths 3

Exterior Features

Pool No Pool
Water Source Public
Total Parking Spaces 2
Garage Features Garage Door Opener
Type of Parking Attached Garage,Driveway
Land Use Code 24031
Foundation Details Other,Active Radon Mitigation
Water View Y/N No
Lot Size Acres 0.51
Lot Size Source Estimated
Waterfront Y/N No
Navigable Water Y/N No
Water Oriented Y/N No
# of Attached Garage Spaces 2

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Columbia, MD office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
Agent Photo

Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School Unknown Middle School
High School Unknown High School

Price History

9/4/2026 Listed $735,000

Property vs Zip Code Average in 20879

Price
AVG $620K
$740K
Taxes
AVG $5,869
$7,014
Year Built
AVG 1985
1986
Visits
AVG 470
98
Data Provided by Inside Real Estate®

In The Neighborhood

Areas That We Cover

9817 Mainsail Drive Gaithersburg, MD is a Single Family Home for sale at $735000 with 2560 sqft and a lot size of 0.51 Acres Acre(s). 9817 Mainsail Drive Gaithersburg has 4 bedrooms, 2 baths and was built in 1986. The property's zip code is 20879 which is in Gaithersburg, MD

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Your Agent
Michael McKenna

Michael McKenna

410-381-3331

Find your home's value