TG Gallagher
HVAC contractor in Waltham, MA 02452
About this company
TG Gallagher is listed as an HVAC contractor at 309 Waverley Oaks Rd in Waltham, Massachusetts, in Middlesex County. Federal motor carrier records list 6 drivers and 6 trucks for the company. It is one of 2 HVAC companies in ZIP 02452.
Other HVAC companies nearby
Belmont Oil Co.43 White St, Belmont
0.8 mi(617) 484-5228
Hickey's Plumbing & Heating20 Demerest St, Waltham
1.0 mi(781) 726-0804
Jomar Distributors Inc360 Pleasant St, Watertown
1.3 mi(800) 560-6077
Enoch C Shaw Company Inc356 Main St, Watertown
1.3 mi(617) 923-0030
Thermoil, Inc.766 Pleasant St, Belmont
1.3 mi(617) 926-0779
Housing market around ZIP 02452
Figures describe the local area, not this company.
Typical home value$849,000+1.3% past year · +57% in 10 years
Typical rent$2,781+0.3% past year
12-month value outlook+1.1%
New homes permitted, 20252,341Middlesex County
Days to sale agreement14Boston metro · 15 a year ago
Listings with a price cut23.7%Boston metro
Sale price vs list101.3%Boston metro
New construction sales302Boston metro, Aug · +23% 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: Middlesex County permitted 2,341 new homes in 2025, including 1,372 apartment units. 16% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.