Alliance Trade Services
HVAC contractor in Upper Marlboro, MD 20772
About this company
Alliance Trade Services is listed as an HVAC contractor at 9701 Croom Rd in Upper Marlboro, Maryland, in Prince George's County. It is one of 10 HVAC companies in ZIP 20772.
Other HVAC companies nearby
HVAC Ecology9404 Fairhaven Ave, Upper Marlboro
1.9 mi(301) 602-0923
Riley Heat & Air9900 Sudan Pl, Upper Marlboro
2.6 mi(301) 219-3000
Air Pyramid Service14800 Pratt St, Upper Marlboro
4.3 mi(301) 466-7255
D & M HVAC Services, Inc15130 Nelson Perrie Rd, Brandywine
4.9 mi(240) 270-2033
Ralph P. Sita, Inc.12445 White Oak Ct, Dunkirk
5.4 mi(301) 855-9387
Housing market around ZIP 20772
Figures describe the local area, not this company.
Typical home value$470,000−0.7% past year · +53% in 10 years
Typical rent$2,668+5.2% past year
12-month value outlook0.0%Roughly flat
New homes permitted, 20252,090Prince George's 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: Prince George's County permitted 2,090 new homes in 2025, including 228 apartment units. 36% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.