Dynatech Service Company Inc.
HVAC contractor in Fairfax, VA 22030
About this company
Dynatech Service Company Inc. is listed as an HVAC contractor at 5103 Ox Rd in Fairfax, Virginia, in Fairfax County. It is one of 10 HVAC companies in ZIP 22030.
Other HVAC companies nearby
Breeze Master Inc4800 Braddock Knoll Way, Fairfax
1.1 mi(703) 996-9879
McCarthy Services5799 Burke Centre Pkwy, Burke
1.4 mi(703) 721-4844
Home Service Doctors10560 Main Street Suite PS 100, Fairfax
2.0 mi(703) 580-5325
Tim and Sons Services Heating & Cooling5944 Burnside Landing Dr, Burke
2.0 mi(571) 436-4179
Air-Tech Systems Inc.10930 Clara Barton Dr #4050, Fairfax Station
2.1 mi(703) 239-4354
Housing market around ZIP 22030
Figures describe the local area, not this company.
Typical home value$802,000+1.7% past year · +50% in 10 years
Typical rent$2,4350.0% past year
12-month value outlook+0.5%Roughly flat
New homes permitted, 20252,862Fairfax County
Days to sale agreement19Washington metro · 17 a year ago
Listings with a price cut29.4%Washington metro
Sale price vs list99.7%Washington metro
New construction sales489Washington metro, Aug · −24% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Fairfax County permitted 2,862 new homes in 2025, including 2,122 apartment units. 37% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.