Seller's Agent in 2026
Jamie Dunn
Long & Foster
(240) 315-8843
48 Total Sales
Estimated Value: $711,000 - $785,139
Welcome to 17209 Sandy Knoll Drive — A Beautiful Home in the Heart of Cashell Manor! Nestled in the highly sought-after Cashell Manor community of Olney, this charming 4-bedroom, 2-full and 2-half bath colonial offers the perfect blend of space, comfort, and classic style. Set on a peaceful, tree-lined street, the home sits on a generous 0.31-acre lot in a cul-de-sac with beautiful mature landscaping and great curb appeal. Step inside to find a bright, inviting floor plan featuring hardwood floors, a spacious living room, and a formal dining area perfect for entertaining and easy access to the deck — ideal for relaxing or hosting memorable gatherings. Enjoy the cozy family room with a huge double window looking out to the front yard and a wood-burning fireplace. Upstairs, the primary suite offers ample closet space and a private bath, while three additional bedrooms provide plenty of room for family, guests, or a home office. The finished lower level adds versatility, with space for a recreation room, gym, or media area, along with extra storage. Outside, enjoy a large deck that spans almost the entire back of the home and a backyard that’s perfect for play, pets, or gardening. The home also includes a two-car garage and is part of an established neighborhood. Located within minutes of schools, local parks, and Olney’s popular shopping and dining destinations, this home combines suburban tranquility with everyday convenience.
Last Agent to Sell the Property
(301) 694-8000 Jamie.Dunn@longandfoster.com Long & Foster Real Estate, Inc. Brokerage Phone: 2404518333 License #673382 Listed on: 10/27/2025
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $715,000 | Old Republic National Title In | ||
| -- | -- | ||
| -- | None Available | ||
| -- | -- | ||
| -- | -- |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 01/30/2026 01/30/26 | Sold | $715,000 | -4.7% | $258 / Sq Ft |
| 10/27/2025 10/27/25 | For Sale | $750,000 | -- | $271 / Sq Ft |
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $6,641 | $590,500 | $272,800 | $317,700 |
| 2024 | $6,940 | $563,967 | $0 | $0 |
| 2023 | $5,920 | $537,433 | $0 | $0 |
| 2022 | $5,353 | $510,900 | $259,700 | $251,200 |
| 2021 | $5,156 | $505,500 | $0 | $0 |
| 2020 | $5,156 | $500,100 | $0 | $0 |
| 2019 | $5,425 | $494,700 | $259,700 | $235,000 |
| 2018 | $5,282 | $483,633 | $0 | $0 |
| 2017 | $4,933 | $472,567 | $0 | $0 |
| 2016 | $5,019 | $461,500 | $0 | $0 |
| 2015 | $5,019 | $457,967 | $0 | $0 |
| 2014 | $5,019 | $454,433 | $0 | $0 |
Seller's Agent in 2026
Jamie Dunn
Long & Foster
(240) 315-8843
48 Total Sales
Buyer's Agent in 2026
Chen Chen
Creig Northrop Team of Long & Foster
(443) 939-1380
144 Total Sales
Source: Bright MLS
MLS Number: MDMC2205400
APN: 08-01952863
Ask me questions while you tour the home.