R.H.Hydronics

HVAC contractor in San Rafael, CA 94903

Call (415) 453-3040greenheating.usDirections

About this company

R.H.Hydronics is listed as an HVAC contractor at 35 Mark Dr in San Rafael, California, in Marin County. It is one of 6 HVAC companies in ZIP 94903.

Other HVAC companies nearby

0.1 mi(415) 949-1159
John Owens Services, Inc.4380 Redwood Highway Ste A8, San Rafael
0.3 mi(415) 366-3690
Radiant Way Incorporated4460 Redwood Hwy, San Rafael
0.3 mi(866) 714-3997
San Rafael All Zone HVAC4040 Civic Center Dr Ste 200, San Rafael
0.6 mi(628) 386-1465
Watkins Weather Systems283 Arias St, San Rafael
1.1 mi(415) 215-4772

Housing market around ZIP 94903

Figures describe the local area, not this company.

Typical home value$1,250,000+4.1% past year · +64% in 10 years
Typical rent$3,415+3.7% past year
12-month value outlook+1.7%
New homes permitted, 2025149Marin 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

$800K$1,000K$1,200K201620182020202220242026$1,250K

Source: Zillow Home Value Index, Sep 2026.

Local building angle: Marin County permitted 149 new homes in 2025. 6% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.