Northern Virginia housing market, months of supply, Fairfax, Loudoun, Prince William, Alexandria, Arlington, Bright MLS, September 2026

How Tight Is the Market in Each Northern Virginia County? (September 2026)

In September 2026, Prince William County had the lowest months of supply at 2.4. Alexandria had the highest at 3.9, with Arlington at 3.4, Fairfax at 2.7, and Loudoun at 2.6.

Which Northern Virginia counties have the fewest homes for sale? In September 2026, Prince William County had the lowest months of supply at 2.4. Alexandria had the highest at 3.9, with Arlington at 3.4, Fairfax at 2.7, and Loudoun at 2.6.

Every county is a little different. Here are the numbers, and what they might mean if you are selling or buying.

The Mike Webb Team (Mike and Claudia Webb, RE/MAX Allegiance) helps homeowners in Arlington, Northern Virginia, Maryland, and Washington, DC get their homes ready to sell and sold.

What do the five reports say?

Source: Bright MLS (https://www.brightmls.com) Market Statistics Reports, September 2026, pulled October 14, 2026.

• Area: Prince William County; Homes for sale (end of Sept.): 1,212; Months of supply: 2.4; Homes sold: 398

• Area: Loudoun County; Homes for sale (end of Sept.): 1,173; Months of supply: 2.6; Homes sold: 344

• Area: Fairfax County; Homes for sale (end of Sept.): 2,685; Months of supply: 2.7; Homes sold: 902

• Area: Arlington County; Homes for sale (end of Sept.): 668; Months of supply: 3.4; Homes sold: 174

• Area: Alexandria City; Homes for sale (end of Sept.): 532; Months of supply: 3.9; Homes sold: 147

September 2026 inventory levels vary by county but remain relatively tight.

"Months of supply" is how long it would take to sell all the homes now listed at the current pace. A lower number means fewer choices for buyers.

How does this compare with a year ago?

The same reports show current inventory (as of October 14) compared with October 2025: Arlington up 22%, Fairfax up 27%, Prince William up 28%, Alexandria up 29%, and Loudoun up 36%. Every county has more homes for sale than a year ago.

What do the differences mean?

Lower numbers usually mean it is a little easier for sellers. Higher numbers give buyers a little more room. But all five are under the six-month point many people use as a middle mark. So the story is not that one place is hot and another is cold. It is a market-wide change, with small differences in degree.

What does this mean for sellers?

In any county, buyers now have more to compare. A home that is priced to match its competition and ready on day one tends to stand out. Condition counts more when buyers have choices.

What does this mean for buyers?

You have more choice than you did last year. That can mean more time to decide and more room to negotiate on some homes. Do not count on it everywhere. Good homes still draw attention.

A note about the data

These numbers are for one month and one report type. The Q3-2026 Bright MLS Industry Watch is not out yet, and we will update when it is. Prince William covers the county only, not Manassas or Manassas Park.

FAQ

Which county is the easiest to sell in?

There is no simple answer. It depends on your home type, price, and condition.

Why is Arlington's number different from Fairfax's?

Each place has its own mix of homes and buyers. This is a snapshot, not a ranking.

What about Washington, DC and Maryland?

We have separate posts with spring 2026 numbers for DC, Montgomery County, and Prince George's County.

Call or text Claudia at 703-350-3884 or visit claudiawebb.com.

The Mike Webb Team, RE/MAX Allegiance. Arlington, Virginia. Equal Housing Opportunity.