Loudoun County · Ashburn (Brambleton)
The median sale price, $847,990, is 6% above Loudoun's median of $800K. Prices were flat compared with a year earlier. Homes took 43 days on average to go under contract, slower than the county (24 days), the 1st-slowest of 8 Loudoun ZIP codes with enough sales to compare. Sellers received 99.8% of their original asking price — close to asking.
Leans to buyers
Median sale price, Q2 2026
Source: Bright MLS Industry Watch, Q2 2026 (data as of July 10, 2026). Figures cover the part of the ZIP code inside Loudoun County.
Homes listed for sale in 20148,
Realtor.com residential listings data · updated monthly · See the Price-Cut Index
Monthly listing numbers for 20148 load here from Realtor.com data. I can also pull today's listings from Bright MLS for you.
All of Loudoun County in September 2026: 970 homes for sale (+28% vs. a year ago), 42% with a price cut, 35 median days on market.
On the median $847,990 home, that's about $6,826 a year before any town or district tax. Bills are due June 5 and Dec. 5.
The tax on a listing is the current owner's bill, which may include senior tax relief that ends when they sell. Work out a home's real tax →
Leans to buyers. Homes sold near asking but took longer than usual to go under contract. Patient buyers can negotiate, especially on homes that have sat.
Before you fall in love
Loudoun redrew Ashburn and Dulles North elementary attendance zones for fall 2026 (adopted Dec. 2025, reaffirmed Jan. 2026). Middle and high school changes in Dulles South are also planned.
Loudoun boundary updates ↗About 59,000 Loudoun properties sit in the Airport Impact Overlay District. Since July 2024 sellers no longer have to disclose it, and Virginia law says the seller makes no promises about airport noise — so check the noise map yourself.
Loudoun airport noise maps ↗Loudoun had about 56.5 million sq ft of data centers operating and 35.7 million more approved in March 2026. Since March 2025, new ones need a public hearing. Look for planned buildings, substations and power lines near the home.
Loudoun data center facts ↗Under Virginia's disclosure law the seller makes no promises about the home's condition, flood zones, airport noise, septic or radon. Inspections and your own checks protect you.
Virginia Code § 55.1-703 ↗You can cancel within 3 days of receiving the association's resale certificate. Read it for fees, special assessments and rental limits.
Virginia Code § 55.1-2312 ↗Nearby
All 61 Northern Virginia ZIP codes → · Where prices are being cut →
Questions people ask
Homes in Ashburn, VA 20148 sold for a median of $847,990 from April–June 2026, down 0.2% from a year earlier (Bright MLS). Loudoun's median was $800,500.
Homes took 43 days on average to go under contract in Q2 2026, compared with 24 days across Loudoun County. Sellers received 99.8% of their original asking price.
Based on Q2 2026 sales, 20148 is a buyer's market. Homes sold near asking but took longer than usual to go under contract. Patient buyers can negotiate, especially on homes that have sat. Conditions change street by street, so ask me for the latest Bright MLS numbers before you price or offer.
Most of 20148 is in Loudoun County, where the 2026 rate is $0.805 per $100 of assessed value, about $6,826 a year on a $847,990 home. Bills are due June 5 and Dec. 5.
Check the school boundary for the exact address, the flood map, any HOA rules and fees, and planned roads or buildings nearby. I check these for every home we look at.
Contact
Tell me a little about what you're looking for. I'll reply personally, usually within one business day.
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