Nestled in the prestigious St. Charles Horizon community, this exquisite new construction home is a canvas awaiting your personal touch. With a classic Colonial and Traditional architectural style, this residence promises to be a sanctuary of comfort and elegance, designed for those who appreciate the finer things in life. Spanning a generous 0.14 acres, the property boasts a thoughtfully designed layout featuring four spacious bedrooms and three and a half luxurious bathrooms. The potential for this space is limited only by your imagination. As you step inside, you'll be greeted by an abundance of natural light that fills the open-concept living areas, creating an inviting atmosphere perfect for both relaxation and entertaining. The high-end finishes throughout the home reflect a commitment to quality and craftsmanship, ensuring that every detail is attended to. Imagine hosting gatherings in your elegant dining area or enjoying quiet evenings in the expansive living room, where comfort meets sophistication. The exterior of the home features durable vinyl siding, combining aesthetic appeal with low maintenance, allowing you to spend more time enjoying your luxurious lifestyle. The attached front-entry garage provides convenience and security, making coming home a pleasure. While construction is still underway, the anticipation of what this home will become is palpable. Envision your dream kitchen, outfitted with top-of-the-line appliances and custom cabinetry, where culinary creations come to life. Picture serene mornings on your future patio, sipping coffee while basking in the tranquility of your surroundings. Living in St. Charles Horizon means embracing a lifestyle of exclusivity and comfort. This community offers a serene environment, perfect for unwinding after a busy day, while still being conveniently located near shopping, dining, and recreational opportunities. This property is not just a house; it's an opportunity to create a home that reflects your unique style and aspirations. Don't miss your chance to be part of this exceptional community and make this luxurious residence your own. The possibilities are endless, and the lifestyle awaits.
Accepting backups
Price cut: $20K (10/15)
$674,990
10505 Cosmos Ct, La Plata, MD 20646
4beds
4,612sqft
Single Family Residence
Built in ----
6,300 Square Feet Lot
$632,100 Zestimate®
$146/sqft
$95/mo HOA
What's special
Attached front-entry garageElegant dining areaAbundance of natural lightFour spacious bedroomsDurable vinyl siding
- 42 days
- 234
- 16
Zillow last checked:
Listing updated:
Listed by:
Kee Darden 202-705-4224,
Own Real Estate (240) 615-8395
Source: Bright MLS,MLS#: MDCH2059780
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Heating
- Forced Air, Natural Gas
Cooling
- Central Air, Electric
Appliances
- Included: Electric Water Heater
Features
- Basement: Unfinished
- Has fireplace: No
Interior area
- Total structure area: 4,612
- Total interior livable area: 4,612 sqft
- Finished area above ground: 4,612
Property
Parking
- Total spaces: 2
- Parking features: Garage Faces Front, Attached
- Attached garage spaces: 2
Accessibility
- Accessibility features: None
Features
- Levels: Two
- Stories: 2
- Pool features: None
Lot
- Size: 6,300 Square Feet
Details
- Additional structures: Above Grade
- Parcel number: 0908364695
- Zoning: NA
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial,Traditional
- Property subtype: Single Family Residence
Materials
- Vinyl Siding
- Foundation: Slab
Condition
- Excellent
- New construction: Yes
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: St Charles Horizon
HOA
- Has HOA: Yes
- HOA fee: $95 monthly
Location
- Region: La Plata
Financial & listing details
- Price per square foot: $146/sqft
- Tax assessed value: $77,400
- Annual tax amount: $8,909
- Date on market: 9/24/2026
- Listing agreement: Exclusive Agency
- Listing terms: FHA,Conventional,VA Loan,USDA Loan,Cash
- Ownership: Fee Simple
Estimated market value
$632,100
$600,000 - $664,000
$3,386/mo
Price history
| Date | Event | Price |
|---|---|---|
| 10/15/2026 | Price change | $649,990-3%$141/sqft |
Source: | ||
| 10/13/2026 | Price change | $669,990-0.7%$145/sqft |
Source: | ||
| 8/26/2026 | Listed for sale | $674,990$146/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | $1,019 | $77,400 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 20646
Nearby schools
Schools provided by the listing agent
- District: Charles County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.







