Reston Homes Compared With Fairfax County
Reston sits in Fairfax County, Virginia. The table shows how its housing differs from the county as a whole, which decides what a duct and dryer vent visit checks first.
| Measure | Reston | Fairfax County |
|---|---|---|
| Median year built | 1984 | 1983 |
| Apartments and condos | 50% | 31% |
| Townhomes | 30% | 23% |
| Detached houses | 20% | 46% |
| Built in the 1970s or 1980s | 54% | 42% |
| Heat with electricity | 50% | 42% |
| Owner-occupied | 61% | 69% |
Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates. Figures are estimates and are rounded.
Who Handles the Ducts in a Reston Condo or Cluster?
Responsibility follows the governing documents, not a single rule. The common split looks like this:
| Part | Usually handled by |
|---|---|
| Ducts, registers and air handler inside the unit | Unit owner |
| Dryer, transition hose and in-unit vent line | Unit owner |
| Shared vertical chase serving several units | Association |
| Exterior vent hoods on a common wall or roof | Association, by most documents |
| Rented apartment | Landlord; ask in writing |
Ask the management office for the maintenance responsibility chart before you book. The condo and apartment vent page explains how a shared dryer chase gets cleaned.
Reston's 1970s and 1980s Systems
More than half of Reston's homes date from the 1970s and 1980s, and half heat with electricity. Ducts in those homes are now 40 to 50 years old. Before cleaning an older heating system, the EPA advises checking its materials for asbestos, and insulation that is wet or moldy gets replaced rather than cleaned. About 13 percent of Reston's homes were built in 2010 or later; in those, dust from construction or a recent renovation is the more common finding.
Dryer Vents in Stacked Units
In a stacked condo, the dryer often vents into a long run or a shared chase. Lint builds up where the line turns and at the exterior hood. Signs of a blocked run include clothes that take more than one cycle to dry and a laundry room that turns hot and humid. Cleaning one unit's line typically costs $135 to $360.
Townhomes and Single-Family Homes
Townhomes make up 30 percent of Reston's housing and detached houses 20 percent. Owners of those homes handle their own ducts. For a typical system, whole-house cleaning runs about $500 to $800; the air duct cleaning cost guide breaks down what moves the price.
Reston Duct and Dryer Vent FAQs
Is Reston a town or part of Fairfax County?
Reston is an unincorporated census-designated place in Fairfax County, not a town. It was founded as a planned community by Robert E. Simon in 1964.
Who pays for dryer vent cleaning in a Reston condo?
It depends on the governing documents. The unit owner usually handles the dryer and the line inside the unit, and the association usually handles shared chases and exterior hoods. Ask management for the written maintenance chart.
How much does duct cleaning cost for a Reston condo?
Condo and townhome duct cleaning typically runs $190 to $650, depending on the number of vents and the access to the air handler. Dryer vent cleaning runs $135 to $360.
Can a renter in Reston ask the landlord to clean the ducts?
Yes. Virginia law requires landlords to keep heating and ventilation in good working order. Put the request in writing and describe what you see, such as dust blowing from vents or a dryer that no longer dries.