Date
Details
Price
Change
Source
9/04/2026
Listed
$735,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$735,000 Coming Soon
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Property Description
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.
Full Property Details
Full Property Details for 9817 Mainsail Dr
General
- Price: $735,000
- HOA FEE: $27/month
- HOA FEE FREQ.: Annually
- Taxes: $7,014 (2026)
- Status: Coming Soon
- Type: Single Family
- Source: BrightMLSMidAtlantic
- MLS ID: MDMC2253682
- Updated: 9/4/2026
- Added to Site: 1 day(s) ago
- Expected Market Date: 9/10/2026
Interior
- Interior Features: Attic, Ceiling Fan(s), Walk-in Closet(s)
- Fireplace: Yes
- Number of Fireplaces: 1
- Appliances: Built-In Microwave, Dishwasher, Dryer, Disposal, Oven - Double, Oven/Range - Electric, Washer, Water Heater
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 2
- Half Bathrooms: 1
- Upper Floor Baths: 2
- Upper - Full Baths: 2
- Main Floor Baths: 1
- Main - 1/2 Baths: 1
Bedrooms
- Total Bedrooms: 4
- Bedrooms Upper: 4
Parking
- Garage: Yes
- Garage Spaces: 2
- Total Spaces: 2
- Parking Type: Attached Garage, Driveway
- Garage Description: Garage Door Opener
Location
- County: MONTGOMERY
- Subdivision: GOSHEN ESTATES
- Driving Directions: From I-270, take Shady Grove Rd east to Airpark Rd, then turn onto Mainsail Dr and follow to 9817 Mainsail Dr.
School Information
- School District: Montgomery County Public Schools
Community
- Association: Yes
- Pets Allowed: Yes
- Pets: No Pet Restrictions
Heating & Cooling
- Central air: Yes
- Cooling Type: Central A/C
- Cooling Fuel: Electric
- Heating Type: Heat Pump(s)
- Heating Fuel: Electric
- Water Heater: Electric
Utilities
- Sewer: Public Septic
- Water: Public
Structural Information
- Architectural Style: Colonial
- Structure Type: Detached
- Construction: Vinyl Siding, Combination, Other
- Basement: Yes
- Basement Desc.: Unfinished
- Foundation: Other, Active Radon Mitigation
- Stories Description: Main, Upper 1
- Square Feet: 2,560
- Sq. Ft. Source: Estimated
- Living Area: 2,560 Sq. Ft.
- Finished Above Grnd: 2,560 Sq. Ft.
- Year Built: 1986
- Year Built Source: Estimated
Lot Features
- Lot Size (Acres): 0.51
- Lot Size (Sq. Ft.): 22,216
- Lot Size Source: Estimated
- Zoning: R-200
Financial Considerations
- Price Per Sq. Ft.: $287.11
- Association Fee: $325
- Assoc Fee Freq.: Annually
- Tax w/Assessment: $575,000
- Tax Amount: $7,014
- Tax Year: 2026
Disclosures and Reports
- Ownership: Fee Simple
Listed by Keller Williams Capital Properties, Sophia Ferderer
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 9817 Mainsail Dr —
Sophia Ferderer
Keller Williams Capital Properties
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 9817 Mainsail Dr
School District:Montgomery County Public Schools, Gaithersburg, MD
| Name | Grades | Distance |
|---|---|---|
Goshen Elementary School 8701 Warfield Road, Gaithersburg, MD 20882 | K-5 | 1.2 mi |
Forest Oak Middle School 651 Saybrooke Oaks Boulevard, Gaithersburg, MD 20877 | 6-8 | 2.9 mi |
Gaithersburg High School 101 Education Boulevard, Gaithersburg, MD 20877 | 9-12 | 4 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 9817 Mainsail Dr
Tax History
Tax History for 9817 Mainsail Dr
Year
Property Taxes
Change
Tax Assessment
Change
2025
$5,700
—
$575,000
10%
2025
$5,700
-3%
$523,500
11%
2024
$5,881
35%
$472,000
12%
2022
$4,356
29%
$420,500
—
2022
$3,389
-28%
$420,500
—
2018
$4,734
7%
$420,500
-3%
2021
$4,428
1%
$434,200
1%
2020
$4,382
1%
$431,367
1%
2019
$4,351
-1%
$428,533
1%
2018
$4,406
2%
$425,700
4%
2017
$4,322
9%
$409,833
4%
2016
$3,979
3%
$393,967
4%
2015
$3,845
-1%
$378,100
—
2014
$3,894
—
$378,100
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 9817 Mainsail Dr
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- Active
- Updated 4 days ago
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- 3Total Baths
- 2,907Sq. Ft.
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- Active
- Updated 21 hours ago
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- Single Family
- Active
- Updated 22 hours ago
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- Single Family
- Active
- Updated 4 days ago
- 4Beds
- 3Total Baths
- 2,907Sq. Ft.
- Townhouse
- Active
- Updated 3 days ago
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- Updated 14 hours ago
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- Single Family
- Closed
- 4Beds
- 4Total Baths
- 3,372Sq. Ft.
Listed by Cummings & Co. Realtors, Bethanie M Fincato
Sold by Dalys Keith
Sold by Dalys Keith
9817 Mainsail Drive, Gaithersburg, MD 20879 (MLS# MDMC2253682) is a Single Family property with 4 bedrooms, 2 full bathrooms and 1 partial bathroom. 9817 Mainsail Drive is currently listed for $735,000 and was received on September 04, 2026. Want to learn more about 9817 Mainsail Drive? Do you have questions about finding other Single Family real estate for sale in Gaithersburg? You can browse all Gaithersburg real estate or contact a Coldwell Banker agent to request more information.