DMG North
HVAC contractor in Castro Valley, CA 94546
About this company
DMG North is listed as an HVAC contractor at 4795 Heyer Ave in Castro Valley, California, in Alameda County. It is one of 5 HVAC companies in ZIP 94546.
Other HVAC companies nearby
Affordable Heating & Air Conditioning4026 Castro Valley Blvd, Castro Valley
0.7 mi(510) 825-5079
4 Seasons Heating & Air Conditioning21776 Dolores St, Castro Valley
1.5 mi(510) 582-3112
B.A. Morrison General Contractor2544 Castro Valley Blvd, Castro Valley
1.7 mi(510) 538-9817
J.R. Heating and Cooling Systems22455 Western Blvd, Hayward
2.7 mi(510) 889-8368
Trio Heating & Air Hayward109 Jackson St, Hayward
3.5 mi(925) 718-9710
Housing market around ZIP 94546
Figures describe the local area, not this company.
Typical home value$1,007,000+1.5% past year · +60% in 10 years
Typical rent$2,879+6.7% past year
12-month value outlook+1.4%
New homes permitted, 20252,778Alameda County
Days to sale agreement16San Francisco metro · 22 a year ago
Listings with a price cut21.2%San Francisco metro
Sale price vs list106.1%San Francisco metro
New construction sales91San Francisco metro, Aug · −32% 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: Alameda County permitted 2,778 new homes in 2025, including 1,604 apartment units. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.