Devonshire Country Estates, Porter Ranch border, CSUN area
Housing stockThe median home in the ZIP codes that cover it was built in 1969, which in this part of the county means 1960s and early-70s ranches, with apartment buildings mixed in. Expect gas furnaces in a hall closet or the attic, and original attic ductwork. At 859 feet there is some overnight relief, but the afternoon load still decides the sizing.
- Median home built
- 1969
- Elevation
- 859 ft
- Mechanical permit from
- Los Angeles Department of Building and Safety
- ZIP codes
- 91324, 91325, 91330, 91343
- Title 24 climate zone
- 9
- Nearest crew
- Reseda
Source: Census ACS (ZIP-area figure).
Large lots mean long duct runs; a static-pressure test comes before any equipment quote.

What we see in Northridge homes
With homes from around 1969, calls in Northridge usually mean gas furnaces in a hall closet or the attic, and original attic ductwork.
The jobs that follow from that stock in Northridge: AC replacement, duct sealing and repair, furnace repair and heat pump installation.
Permits in Northridge
Mechanical permits in Northridge come from the Los Angeles Department of Building and Safety. Replacing central equipment needs one.
Electric service in Northridge is the Los Angeles Department of Water and Power, which has had heat-pump incentive programs; check the current one before you buy.
From Northridge, call 747-264-6358, 6am to 10pm, seven days.
Schedule service
Fill in the form or call. We are on the phones 6am–10pm.
818-277-5056Licensed #1119892 · Veteran-owned · Pasadena & Reseda

