Carpentry, drywall and window companies in Walnut, CA 91789
2 carpentry, drywall and window companies, with local market data for this ZIP.
General contractors 30HVAC 9Concrete and masonry 4Garage doors 3Roofing and exteriors 3Electricians 3Carpentry, drywall and windows 2Other construction trades 2Fences and decks 2Remodeling 2Flooring and tile 2
Area profitability, carpentry, drywall and windows69 / 100Strong market, crowded field
Typical home value$1,128,000+1.4% in the past year
New homes permitted, 202522,250Los Angeles County
Homeowners82.1%12,716 households
Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.
Advance Windows and DoorsWindow installer · 20442 Carrey Rd, Walnut(909) 444-2000 · advancewindowsanddoors.com
Ampac Windows and Doors LLCWindow installer · 20615 Valley Blvd, Walnut(626) 234-5407 · WWW.AMPACwindows.com
Carpentry, drywall and windows in ZIP 91789 at a glance
Local building angle: Los Angeles County permitted 22,250 new homes in 2025, including 10,633 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.