Welcome to 23702 September Sun Square, a beautiful residence in Birchwood at Brambleton, Loudoun County’s award-winning 55+ active adult community. Built in 2021, this like-new, end unit carriage house has the spacious feel of a single-family home paired with relaxed simplicity of main level living and ease of maintenance. Offering 2,406 sq. ft. of finished living space this home faces peaceful common grounds with ample guest parking–providing privacy, rich, natural light, and premium upgrades inside and out. The home is professionally landscaped with an integrated irrigation system, and a backyard oasis complete with a custom flagstone patio, knee-wall and covered retreat. Inside, the open concept, main level is bathed in natural light, characterized by 10 foot ceilings and oversized 8 foot doors. Upgraded flooring, lighting, and custom Norman-brand shutters flow throughout the home, creating an immediate sense of clean, sophistication. The well-appointed kitchen features a center island with premium quartz countertops, white shaker cabinetry, a deep stainless steel sink, gas cooktop, and microwave/wall oven combo around the center island. The kitchen flows seamlessly into the light, filled dining and gathering room, anchored by a striking linear stone, gas fireplace—perfect for all seasons and everyday comfort. The main level primary suite serves as a private sanctuary featuring an expansive walk-in closet and a spa en suite bath with custom oversized tile shower. Two additional main level rooms offer incredible versatility—one serves as a private guest suite with an attached full bath, while the third, separated by French doors, is perfect for a maker space, den or executive home office. Another full bath is available for guests on the main level and a convenient main level laundry room finishes the floor. Upstairs, a spacious 19‘ x 11‘ great room offers flexible space for a media lounge, hobby studio or secondary living space Enjoy smart home convenience with app controlled access as well. The home is equipped with a pre-wired Vintage Security system, featuring a central wall control panel with direct emergency dispatch capability; and a Ring security camera for added peace of mind. The two-car garage features a secondary refrigerator, abundant space for storage and a dedicated 240 V level two outlet, perfect for fast, charging EV and plug-in, hybrid vehicles. Living in Birchwood means being a part of a vibrant resort style living lifestyle with access to world-class community amenities. Your HOA fee covers comprehensive lawn care and yard maintenance, high-speed internet, cable TV, trash and snow removal, and full access to two clubhouses, a full scale calendar of social events, clubs and resident led activities, and all resort-style community amenities. Birchwood amenities include: —Indoor and outdoor pools; —State-of-the-art fitness centers; —Golf simulator; —Pool Table; —Art room; —Pickleball and bocce courts; —Scenic walking trails; and—Community Garden. Located just minutes from premier shopping, dining, top tier medical facilities, major commuter routes and Dulles International Airport, this home is ideal for 55+ active listing, offering the perfect blend of luxury, convenience and community.
Pending
$825,000
23702 September Sun Sq, Ashburn, VA 20148
3beds
2,406sqft
Single Family Residence
Built in 2021
4,356 Square Feet Lot
$-- Zestimate®
$343/sqft
$306/mo HOA
What's special
Private sanctuaryMain level primary suiteOpen concept main levelCustom flagstone patioProfessionally landscapedBackyard oasisAmple guest parking
- 14 days
- 560
- 25
Zillow last checked:
Listing updated:
Listed by:
Denise Kempton 703-615-8746,
Century 21 Redwood Realty (703) 359-7800,
Co-Listing Agent: Anne D Albright 703-655-9901,
Century 21 Redwood Realty
Source: Bright MLS,MLS#: VALO2136036
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 3
- Main level bathrooms: 3
- Main level bedrooms: 3
Rooms
- Room types: Loft
Loft
- Level: Upper
Heating
- Forced Air, Natural Gas
Cooling
- Central Air, Electric
Appliances
- Included: Microwave, Cooktop, Dishwasher, Disposal, Extra Refrigerator/Freezer, Ice Maker, Self Cleaning Oven, Oven, Oven/Range - Gas, Refrigerator, Washer, Dryer, Gas Water Heater
Features
- Dining Area, Entry Level Bedroom, Open Floorplan, Kitchen - Gourmet, Kitchen Island, Primary Bath(s), Walk-In Closet(s), Recessed Lighting, 9'+ Ceilings, High Ceilings
- Flooring: Engineered Wood, Carpet, Ceramic Tile
- Windows: Window Treatments
- Has basement: No
- Number of fireplaces: 1
- Fireplace features: Gas/Propane
Interior area
- Total structure area: 2,406
- Total interior livable area: 2,406 sqft
- Finished area above ground: 2,406
- Finished area below ground: 0
Property
Parking
- Total spaces: 2
- Parking features: Garage Faces Front, Attached
- Attached garage spaces: 2
Accessibility
- Accessibility features: Accessible Entrance, No Stairs
Features
- Levels: Two
- Stories: 2
- Exterior features: Lawn Sprinkler, Sidewalks
- Pool features: Community
Lot
- Size: 4,356 Square Feet
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 161382762000
- Zoning: PDAAAR
- Special conditions: Standard
- Other equipment: Some
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary
- Property subtype: Single Family Residence
- Attached to another structure: Yes
Materials
- Vinyl Siding
- Foundation: Slab
- Roof: Asphalt
Condition
- Excellent
- New construction: No
- Year built: 2021
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Features: Pool
- Security: Electric Alarm, Fire Sprinkler System
- Senior community: Yes
- Subdivision: Birchwood At Brambleton
HOA
- Has HOA: Yes
- Amenities included: Art Studio, Clubhouse, Common Grounds, Community Center, Jogging Path, Party Room, Indoor Pool, Pool
- Services included: Pool(s), Recreation Facility, Snow Removal, Trash
- HOA fee: $306 monthly
- HOA name: BIRCHWOOD
Location
- Region: Ashburn
Financial & listing details
- Price per square foot: $343/sqft
- Tax assessed value: $768,410
- Annual tax amount: $6,186
- Date on market: 9/12/2026
- Listing agreement: Exclusive Right To Sell
- Listing terms: Cash,Conventional
- Ownership: Fee Simple
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/14/2026 | Pending sale | $825,000$343/sqft |
Source: | ||
| 9/12/2026 | Listed for sale | $825,000+15.8%$343/sqft |
Source: | ||
| 3/31/2022 | Sold | $712,400$296/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2026 | $6,186 +4.6% | $768,410 +4.6% |
| 2025 | $5,915 -6.3% | $734,780 +0.7% |
| 2024 | $6,311 -0.8% | $729,550 +0.3% |
| 2023 | $6,363 +212.9% | $727,170 +218.2% |
| 2022 | $2,034 -5% | $228,500 +4.6% |
| 2021 | $2,141 +1.7% | $218,500 +7.4% |
| 2020 | $2,106 +0% | $203,500 |
| 2019 | $2,106 | $203,500 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 20148
Nearby schools
Schools provided by the listing agent
- District: Loudoun 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.




