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Living in Little Rocky Run

Little Rocky Run is a planned community of roughly 2,700 homes along Union Mill Road, between Centreville and the town of Clifton. Detached houses and townhouses from the 1980s line its courts, with The Colonnade at Union Mill at its north end and Interstate 66 nearby.
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Living in Little Rocky Run

An overview of Little Rocky Run, its two home types and its setting between Centreville and Clifton.
Little Rocky Run is a planned community in southwestern Fairfax County, strung along Union Mill Road between Centreville and the small town of Clifton. It has 2,722 homes, built as suburban development reached the Clifton area in the late 1970s and 1980s. Homes carry either a Clifton or a Centreville mailing address. The area on this page is approximate: it is drawn around recent sales labeled Little Rocky Run, and it also picks up a few adjoining subdivisions, including Singletons Grove, Deerfield Ridge and Sunset Ridge. The community offers two products. Detached houses were 44 of 74 sales in the past 12 months and townhouses were 30. Most homes that sold were built in the 1980s, with some from the 1990s. There were no condominium sales. Because detached houses and townhouses sell at very different prices, the overall median here shifts with the mix from year to year, a point covered in the market notes below. Centreville High School, which opened in 1988, is on Union Mill Road within the community. The homeowners association’s amenities include three swimming pools, tennis and basketball courts, tot lots and walking paths. The Colonnade at Union Mill, a shopping center on Union Mill Road near the north end, has restaurants and services, and larger centers are in Centreville around the Route 28 and Route 29 interchange. The historic town of Clifton, with its small main street, is a short drive southeast. There is no Metrorail service here. Union Mill Road leads north to Route 29, which connects with Route 28 and Interstate 66 in Centreville. Fairfax Connector buses run from Centreville park-and-ride lots toward the Orange Line’s Vienna/Fairfax-GMU station, the nearest rail stop. Virginia Railway Express Manassas Line trains serve Burke Centre and Manassas Park stations, each a drive away. I’m glad to break down recent detached and townhouse sales separately so the numbers for Little Rocky Run make sense.

Key Highlights:

  • Housing character — Detached houses and townhouses, mostly from the 1980s, in a planned community of 2,722 homes
  • Green space — Association pools, courts, tot lots and walking paths; Bull Run stream valley parkland to the south and west
  • Daily essentials — The Colonnade at Union Mill on Union Mill Road at the north end; larger centers in Centreville around Routes 28 and 29
  • Transit — No Metrorail; Fairfax Connector buses from Centreville park-and-ride lots, Vienna/Fairfax-GMU on the Orange Line by car, VRE at Burke Centre or Manassas Park
  • Schools — Fairfax County Public Schools; Union Mill Elementary, Liberty Middle and Centreville High are listed for Little Rocky Run addresses, confirm by address
  • Market character — 74 sales in 12 months; detached median near $950,000 and townhouse median near $565,000, each up modestly
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Little Rocky Run Real Estate FAQs

Insight into the nuances of buying and selling in one of the country’s most complex urban markets.

It is a planned community of 2,722 homes along Union Mill Road, known for its mix of 1980s detached houses and townhouses and for Centreville High School within its bounds.
It is in southwestern Fairfax County between Centreville and the town of Clifton, along Union Mill Road south of Route 29. Homes have Clifton or Centreville mailing addresses.
There is no Metrorail station nearby. The nearest is Vienna/Fairfax-GMU on the Orange Line, and VRE Manassas Line trains stop at Burke Centre and Manassas Park stations.
Detached houses and townhouses, mostly built in the 1980s. In the past year, 44 of 74 sales were detached and 30 were townhouses.
Detached houses had a median sale price near $950,000 over the past 12 months, and townhouses near $565,000. The overall median of about $876,000 blends the two.
The median time on market was 6 days. The overall median rose about 51 percent only because far fewer townhouses sold; detached and townhouse medians each rose roughly 2 to 3 percent.
The Colonnade at Union Mill, on Union Mill Road at the north end of the community, has restaurants and services. Centreville’s larger shopping centers are around Routes 28 and 29, and Clifton’s main street is to the south.
The area is in Fairfax County Public Schools. Recent Little Rocky Run listings show Union Mill Elementary, Liberty Middle and Centreville High; confirm the assignment for any address with Fairfax County Public Schools’ boundary locator.

Location & Neighborhood

Along Union Mill Road in southwestern Fairfax County, between Centreville and the town of Clifton.

The area shown is approximate. It is drawn around recent sales labeled Little Rocky Run and is not the association’s official map. It is a long, narrow shape that follows Union Mill Road from The Colonnade at Union Mill on the north through the southern sections toward Clifton, staying within a few blocks on either side. Union Mill Road is the spine and holds Centreville High School, while the residential courts branch off it. The Colonnade at Union Mill sits at the north end. A few adjoining subdivisions, including Singletons Grove, Deerfield Ridge and Sunset Ridge, fall inside the shape.

Union Mill Road to I-66

Union Mill Road runs north to Route 29, which meets Route 28 and Interstate 66 in Centreville a few minutes away. Fairfax Connector buses operate from Centreville park-and-ride lots, and the Orange Line’s Vienna/Fairfax-GMU station is the nearest Metrorail stop. VRE Manassas Line riders use Burke Centre or Manassas Park stations, both reached by car.

Restaurants and everyday services are at The Colonnade at Union Mill on Union Mill Road at the north end of the community. Centreville’s larger shopping centers cluster around the Route 28 and Route 29 interchange. To the southeast, the town of Clifton has a small historic main street with shops and restaurants.

Neighboring Area:

  • Centreville — north and west, around Routes 28 and 29
  • Clifton — southeast, the historic town on the Manassas Line rail corridor
  • Fairfax Station — east, toward Route 123
  • Manassas Park — southwest across Bull Run

A Day In The Life - Snapshot

The quick details buyers ask about most.

Metro Access
No Metrorail nearby. Vienna/Fairfax-GMU on the Orange Line is the nearest station, Fairfax Connector buses run from Centreville park-and-ride lots, and VRE serves Burke Centre and Manassas Park.
Walkability
Association walking paths connect many courts to common areas, pools and the high school. The Colonnade at the north end is walkable from nearby sections; elsewhere, errands need a car.
Typical Home Types
1980s detached houses, which were 44 of 74 recent sales, and 1980s townhouses in their own sections. No condominiums sold in the past year.
Parking
Detached houses have driveways, and many have garages. Townhouse sections generally use surface parking, with garages on some models, so confirm the arrangement for a specific address.
Vibe
A long, planned community of cul-de-sacs and townhouse courts with wooded buffers. Union Mill Road carries the traffic, and the area turns semi-rural toward Clifton.
Best For
Buyers who want a 1980s detached house or townhouse in a planned community with a Clifton or Centreville address, and who accept a drive to rail and to I-66.

Little Rocky Run Market Snapshot

A high-level look at current pricing, demand, and sales activity in the Little Rocky Run real estate market.
$876,000

Median Sales Price

$308

Median Price Per Sq Ft

6

Median Days On Market

74

Annual Closed Sales

+51.0%

YoY Median Price Change

Little Rocky Run is a two-product market of detached houses and townhouses, with detached houses the larger share of this year’s sales and no condominium segment. The snapshot covers every closed sale inside the mapped area over the trailing twelve months through September 2026 — 44 detached houses and 30 townhouses and semi-detached homes. Price per square foot uses interior living area.

Across all home types the median sale was $876,000 at about $308 per square foot, with a median of 6 days on market and sales averaging 101% of original list price. The median rose about 51% from the prior twelve months. Within segments, the detached median held near $950,000 and the townhouse median rose about 3% to $565,000. Much of the overall change reflects the mix of homes that sold rather than a broad shift in values.

Market data reflects recent 12-month activity. Individual buildings may vary.

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Homes for Sale in Little Rocky Run

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Recently Sold

Recently Sold in Little Rocky Run

Closed sales from the past 12 months — the comps that set today’s pricing.

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In-Depth Market Analysis

Little Rocky Run Market Insights

How pricing trends, absorption rates, and inventory levels are shaping buying and selling

Inventory & Absorption

Little Rocky Run recorded 74 closed sales in the 12 months through September 2026, down from 100 in the prior period. The drop came entirely from townhouses, which fell from 64 sales to 30, while detached sales rose from 36 to 44. The median time on market was 6 days in both years, so the homes that did come to market sold about as quickly as before.

Pricing Dynamics

The overall median of about $876,000 is roughly 51 percent above last year’s $580,000, but that jump is not a reliable measure of price change. It reflects the shift in mix from mostly townhouses to mostly detached houses. Within each product, the detached median rose to $950,000 from $935,000 and the townhouse median to $565,000 from $550,000, gains of roughly 2 to 3 percent.

Buyer Profile

Both products drew steady demand. Of 44 detached sales, 32 closed at or above the original list price, with a median of 6 days on market and prices from $677,000 to about $1.4 million. Of 30 townhouse sales, 17 closed at or above the original list price, with a median of about 8 days and prices from $425,000 to $680,000.

Strategic Outlook

Read by product, this is a steady market with modest gains and short marketing times. The headline median will keep swinging with the share of townhouses sold, so it should not be used to judge direction. Townhouse supply was notably thin this year. If more townhouses list, the overall median could fall even while individual values hold, and rates will influence both segments.

Market Position Overview:

Inventory Level: Balanced with selective competition

Negotiation Environment: Moderate flexibility

Typical Days on Market: 25-45 (well-priced units)

Rental Demand: Consistent due to transit proximity

Long- Term Outlook: Stable, walkability-driven value

Little Rocky Run Housing & Architecture

Little Rocky Run was built mainly in the 1980s as a planned community with separate sections of detached houses and townhouses.
Detached Houses
Detached houses were 44 of 74 recent sales, with a median near $950,000 and a range from $677,000 to about $1.4 million. They sit on cul-de-sacs and courts branching from the main community roads.
Townhouse Sections
Townhouses were 30 of 74 recent sales, down from 64 the year before. They sold from $425,000 to $680,000 with a median near $565,000 and a median of about 8 days on market.
End-Unit Townhouses
Ten of the 30 townhouse sales were end-of-row units and 20 were interior units. End units have an extra exposed side, so they are worth comparing separately from interior units when pricing.
1980s Construction
Sixty of the 74 homes sold were built in the 1980s. At that age, the condition of roofs, windows, mechanical systems and kitchens varies from house to house, so compare the level of updating between listings.
Later Sections and Adjoining Subdivisions
About a dozen recent sales were built in the 1990s or later. Some are in adjoining subdivisions inside the mapped area, listed as Singletons Grove, Deerfield Ridge and Sunset Ridge, which may have separate associations.
Association and Common Areas
The Little Rocky Run homeowners association covers 2,722 homes, with three swimming pools, tennis and basketball courts, tot lots and walking paths. Ask for current dues when reviewing a listing.

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