18 Keystone Dr, Gaithersburg, MD 20878
Property image
Property image
OFF MARKET

$647,800

Trulia Estimate
  • 4 Beds
  • 3 Baths
  • 2,492 sqft

18 Keystone Dr, Gaithersburg, MD 20878

Est. Refi. Payment $3,836/mo*
Refinance Your Home
Currently Off Market - Sold Dec 22, 2021 for $550,000

Home Value

Trulia Estimate
$648K
Since last month
Decreased$3K (-0.4%)
Since last year
Increased$900 (+0.1%)
Since last sale
Increased$97K (+17.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +54% in the last 10 years
MonthEstimated value
2026
August 2026$647K
August 2026$646K
July 2026$650K
June 2026$665K
May 2026$672K
April 2026$673K
March 2026$670K
February 2026$657K
January 2026$651K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
4 Cullinan Dr, Gaithersburg, MD
0.07
Single-Family Home
$765,000
04/10/26
5
3
2,756
3 Pavilion Dr, Gaithersburg, MD
0.06
Single-Family Home
$757,500
05/22/26
4
3.5
2,796
302 Bostwick Ln, Gaithersburg, MD
0.14
Single-Family Home
$790,000
08/14/26
4
3
2,806
15 Allenhurst Ct, Gaithersburg, MD
0.26
Single-Family Home
$810,000
11/14/25
4
2.5
2,518
22 Cullinan Dr, Gaithersburg, MD
0.20
Single-Family Home
$780,500
04/24/26
5
3
2,816
4 Acline Ct, Gaithersburg, MD
0.24
Single-Family Home
$625,000
05/22/26
4
2.5
2,178
10 Melmark Ct, Gaithersburg, MD
0.24
Single-Family Home
$602,250
11/24/25
5
2.5
2,312
11925 Bayswater Rd, Gaithersburg, MD
0.25
Single-Family Home
$570,000
10/24/25
4
2
1,988
16829 Westbourne Ter, Gaithersburg, MD
0.32
Single-Family Home
$610,000
10/30/25
4
2.5
1,624
20 Allenhurst Ct, Gaithersburg, MD
0.31
Single-Family Home
$775,000
03/31/26
4
2.5
1,818

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
3 Pavilion Dr, Gaithersburg, MD 20878
0.06
$757,500
4
3.5
2,796
Recently Sold
2 Cullinan Dr, Gaithersburg, MD 20878
0.06
$721,400
3
3.5
2,308
Off Market
4 Cullinan Dr, Gaithersburg, MD 20878
0.07
$765,000
5
3
2,756
Recently Sold
25 Keystone Dr, Gaithersburg, MD 20878
0.07
$721,500
4
3.5
2,308
Off Market
8 Cullinan Dr, Gaithersburg, MD 20878
0.10
$703,900
4
3.5
2,427
Off Market
12 Glazebrook Ct, Gaithersburg, MD 20878
0.13
$584,900
3
2.5
1,126
For Sale
11 Cullinan Dr, Gaithersburg, MD 20878
0.12
$698,300
4
3
2,020
Off Market
2 Cullinan Ct, Gaithersburg, MD 20878
0.13
$721,400
3
3.5
2,308
Off Market
302 Bostwick Ln, Gaithersburg, MD 20878
0.14
$790,000
4
3
2,806
Recently Sold
8 Glazebrook Ct, Gaithersburg, MD 20878
0.17
$579,000
5
2.5
1,654
Recently Sold
10 Fullview Ct, Gaithersburg, MD 20878
0.17
$663,900
4
3.5
1,720
Off Market
21 Cullinan Ct, Gaithersburg, MD 20878
0.16
$699,500
4
3.5
2,308
Off Market

Local Information

  • Map ViewExplore the area around 18 Keystone Dr.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1974
2,492 sqft
$260/sqft
Garage

About this House

Welcome to this lovely 4 bedroom, 3 full bath home in wonderful West Riding community with no HOA. This 4 level home has a very functional floor plan for ease of living and many updates and improvements have been made to the kitchen, baths and major systems of the home (list available). As you step through the beautiful decorative front door you enter a welcoming foyer. The open concept living room and dining room have views of the large flat back yard with sliding glass door to a patio. The spacious sunlit kitchen and breakfast area looks out a large window box bay window to the nice front yard. Kitchen has cherry cabinets, stainless steel appliances and granite countertops and additional cherry cabinetry as well as a full panty in the breakfast area for lots of storage. The upper level features a large primary bedroom with tub/shower bathroom, walk-in closet plus double closet, and 2 additional bedrooms with double closets, ceiling fans in all bedrooms, hall bathroom with tub/shower, nice cedar closet and a linen closet. Open stairs to lower level spacious family room with large brick wood burning fireplace, 4th bedroom or office and 3rd full bathroom with shower, hallway leads to laundry area with nice front load washer and dryer (2020) and side door to fenced back yard. Basement level has large finished recreation room with two closets and unfinished utility area, work bench and storage area. The entire interior has been freshly painted, new roof (2021), and new gutters (2020). Hardwood floors in main and upper levels and freshly cleaned carpet in lower and basement levels with ceramic tile floors in foyer, kitchen and all bathrooms. The house is located on a large nicely landscaped lot with trees and flowering shrubs in the spring/summer and has a fenced flat back yard with a patio for many entertainment options. Easy access to NIST, AstraZeneca, Seneca Creek State Park, and several shopping centers. Convenient to commuting options - 270, ICC, Shady Grove Metro, Gaithersburg MARC Train. Interactive floorplan with photos available under virtual tour.
18 Keystone Dr, Gaithersburg, MD 20878 is a 4 bedroom, 3 bathroom, 2,492 sqft single-family home built in 1974. It last sold for $550,000 on Dec 22, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $647,800, with a rent estimate of $3,369/month.

Home Details for 18 Keystone Dr

Interior Features

Interior Details
BasementTypes of Rooms: Walk In ClosetCeiling Fan
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 4Floors: Tile, Hardwood
Appliances & Utilities
DishwasherDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: OtherExterior: Wood, Brick
Parking & Garage
GarageParking: Carport, Garage

Property Information

Year Built
Year Built: 1974
Property Type / Style
Property Type: Single Family HomeArchitecture: Split-level

Community

Units in Building: 1

Lot Information

Lot Area: 9147 sqft

Price and Tax history

DateEventPrice
Dec 22, 2021
Source: Bright MLS #MDMC2022432
Sold
$550,000
Dec 3, 2021
Source: Bright MLS #MDMC2022432
Pending
$550,000
Nov 21, 2021
Source: Bright MLS #MDMC2022432
Contingent
$550,000
Nov 12, 2021
Source: Bright MLS #MDMC2022432
Listed For Sale
$550,000
Jan 15, 2015
Source: N/A
Sold
$414,000

Market trends in Gaithersburg

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$553K
$8.33KMoM
Sale-to-List Price
100.0%
Price per sq ft
$282
$8MoM
Available listings
223
16MoM

Around this home

What Locals Say about Gaithersburg

At least 616 Trulia users voted on each feature.

  • 87 % Say there are sidewalks

  • 86 % Say it's dog friendly

  • 76 % Say car is needed

  • 70 % Say parking is easy

  • 70 % Say kids play outside

  • 70 % Say streets are well-lit

  • 67 % Say it's walkable to grocery stores

  • 66 % Say there's holiday spirit

  • 63 % Say it's walkable to restaurants

  • 62 % Say it's quiet

  • 62 % Say yards are well-kept

  • 61 % Say people would walk alone at night

  • 53 % Say there's wildlife

  • 47 % Say neighbors are friendly

  • 47 % Say they plan to stay for at least 5 years

  • 35 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "They would like all the green spaces!"
    0
    Flag
  • Leesa Offutt
    "Bus and train service nearby "
    0
    Flag
  • Bunmi Iheme
    "Every Halloween, the kids can safely walk around the neighborhood. The neighborhood is very safe and my neighbors are wry nice and friendly "
    0
    Flag
  • Martinyancey
    "This is a safe, fun neighborhood. Schools are very good and there are many entertaining things to do."
    0
    Flag
  • Alexkleinman
    "The quintessential new urbanist community. If you’re trying to find a place to live in suburban Montgomery county this is the location"
    0
    Flag
  • Alan James
    "the perfect blend of tranquility, community, and convenience. Tree-lined streets, well-tended gardens, and friendly neighbors create a warm, welcoming atmosphere that feels like home the moment you arrive. Mornings begin with birdsong and sunrises that filter through the leaves. Local parks and scenic walking trails are just steps away, ideal for outdoor lovers and families alike. On weekends, stroll to charming cafés, family-owned shops, and vibrant farmers’ markets that give the area its unique character and small-town charm."
    0
    Flag
  • Wrkfmtvcgr
    "This is the “Best” commuting area in metro DC. Short distance to Metro redline and to buses and to I270 and to a new interconnecting highway. We are out in the country but 1 mile from shops and about 3 miles from a new outlet mall."
    0
    Flag
  • Tabrooks70
    "There are lots of dog owners in the neighborhood and places to walk them, parks, trails, sidewalks, paths, etc."
    0
    Flag
  • Tabrooks70
    "The neighborhood is well maintained, and the community center makes it easy to plan an event. We have had community events in the past, but recently, last 2-5 years, it has been harder to maintain."
    0
    Flag
  • Nv2zyr7d78
    "My neighborhood is very safe and family friendly , great neighbors and everything within 10min drive."
    0
    Flag
  • Zjpittman
    "Public transportation is very good. Highway access is great with multiple exits nearby. Rush hour or 1 accident tends to delay your commute but that no different than anywhere else in the metro area. "
    0
    Flag
  • Raul Fajardo
    "Nice place good community we can live here I love Gaithersburg Maryland we are safe and comfortable "
    0
    Flag
  • Mollyburke1
    "There are a lot of dogsnthat live in my neighborhood. The dogs are required to walk on a leash. Owners are very respectful as well. "
    0
    Flag
  • Flaminglavender89
    "Safe and easy to walk your dog any time of the day or night. Other owners are respectful and friendly. I’ve only known one bad dog owner during my 10yrs here."
    2
    Flag
  • Gamsona
    "Montgomery county fair is pretty cool. Winter lights at Seneca state park is a nice event as well. Kentlands has a nice environment too."
    1
    Flag
  • Trulia User
    "Neighborhood potlocks, movie nights, picnics. Good HOA. Neighborhood watch. Pool with amenities. Gym."
    1
    Flag
  • Trulia User
    "great access for transportation. grocery stores are near by. also schools in the area. and a few parks are near by. great area to walk your dog."
    0
    Flag
  • Shreejana R.
    "We have neighborhood social events such as ice cream party, annual potluck dinner, zumba classes, parades, etc. "
    7
    Flag
  • Sabrina F.
    "There are a lot of dogs everywhere. Some not nice / uneducated owners. Be careful with your dog. Picking up is spotty- caution stepping in grass. "
    8
    Flag
  • Ddamtewa61
    "I live here and I love it They are friendly Light every where Cheap electricity Quite neighborhood Near by supermarket Near by mosque Lovely and green Quite and less crime "
    1
    Flag
  • Karan.martin
    "Very green with lovely trails and lakes. Houses are lovely, taking a stroll is very pleasant and neighborhood has friendly vibe. Also feels safe. "
    1
    Flag
  • Carolina.ym
    "I’ve lived here for about 3 yrs and absolutely Love my neighborhood. Safe, friendly and nice parks. Close to 270 for an easy commute to DC. "
    1
    Flag
  • Karan.martin
    "Lots of lovely open spaces and trails on the doorstep. Sitting on the porch people will say hi on way past. It’s a friendly place. "
    3
    Flag
  • Beya T.
    "Great place to raise a family band great school system. Low crime rate and peaceful neighborhood. Well maintained neighborhoods and communities, very diverse and multicultural!!!"
    0
    Flag
  • Sam K.
    "My neighborhood is very family friendly and my kids love playing with other neighbors kids. I love this place"
    4
    Flag
  • Alexis W.
    "Good walking path for dog and lots of hotel in area if you need place overnight guess very nice place to live "
    1
    Flag
  • Melannie V.
    "I love where I live very close to everything. I’m next to the train station close to the metro, and next to 270. It is very convenient. My building is very safe and secure. I don’t worry about my safety when I’m out. It is nice to walk your dog, there are so many people out on nice days. "
    8
    Flag
  • Sarah S.
    "I drive to lake Forrest transit center to take the 101 bus. It would be Very convenient if my commute to Bethesda was not ridiculously long- 1 to 1 1/12 hr by the 101. Or 45-1hr by bus and metro. "
    0
    Flag
  • Karan.martin
    "It’s a quiet safe neighborhood. You don’t see that many children around. Probably the predominance of town houses make it less suitable for a young family. "
    1
    Flag
  • Dedra J.
    "just be careful with your kids and pop etc. the neighborhood could use some more friendly people and better roads "
    1
    Flag
  • Mufti N. F.
    "It’s a safe town but the cost of living is rising at a fast pace. A ton of new townhomes have been built here and they’re all fairly expensive ($600K+ per unit). Schools are below average. "
    1
    Flag
  • Karan.martin
    "The area feels safe but I haven’t seen many children around. The homes are mainly townhouses without gardens, so maybe not that suitable for smaller children. "
    0
    Flag
  • Sarah D.
    "Drive to most public transportation. 25 minutes to bethesda and about 15 to shady grove metro. Walkable to grocery and restaurants. "
    1
    Flag
  • Mari C
    "This is a good neighborhood but meet your children’s friends and their parents. Then you can decide if they can hang out "
    1
    Flag
  • Karan.martin
    "Very clean and well looked after at the Crown development. Feels safe. Excellent restaurants and super market easy walking. "
    0
    Flag
  • Fabricio R.
    "Close to metro, main avenues,facilities and bus, 270 Highway, Down town. pet friendly and a lot of nature "
    0
    Flag
  • Allen M.
    "Dog owners are very courteous and the dogs are very well behaved. Lots of parks and places to bring your dog."
    1
    Flag
  • Ashleyrox009
    "There’s a couple small dog parks around this area, close to multiple restaurants, shopping, right off the highway, and metro stops. "
    0
    Flag
  • Rommel C.
    "There are Lots of parking space available in my neighborhood which is a luxury in MoCo nowadays. There is very little traffic and it is very close to everything in the city. "
    0
    Flag
  • Jada B.
    "They would like the neighborhoods with dogs because there’s a lot of areas to walk your dogs but they Need more dog parks"
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 18 Keystone Dr

  • What is 18 Keystone Dr estimated to be worth?
    Trulia's estimated value for 18 Keystone Dr in Gaithersburg, MD is $647,800.
  • What is the price history for 18 Keystone Dr?
    18 Keystone Dr in Gaithersburg, MD last sold for $550,000 in December 2021.
  • Is Gaithersburg a buyer's or seller's market?
    Gaithersburg is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Gaithersburg?
    The median sale price in Gaithersburg is $553K. That is down $8.33K from the prior month.
  • Does 18 Keystone Dr have air conditioning?
    Yes, 18 Keystone Dr in Gaithersburg, MD has air conditioning.
  • Does 18 Keystone Dr have laundry facilities?
    Yes, 18 Keystone Dr in Gaithersburg, MD has in-unit laundry.

Explore by feature - Pet Friendly

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Explore by feature - Outdoor Space

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Off Market Homes Near 18 Keystone Dr

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