General contractors in Walnut, CA 91789

30 general contractors, with local market data for this ZIP.

Area profitability, construction74 / 100Strong market, balanced 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.

A1 Contractors 4UConstruction company · 340 S Lemon Ave 9126, Walnut(877) 300-9491 · a1contractors4u.com
Alameda Corridor East ConstructionConstruction company · 614 Brea Canyon Rd, Diamond Bar(909) 598-7961 · theaceproject.org
All American Crane MaintenanceGeneral contractor · 20464 Carrey Rd, Walnut(909) 598-7116 · aacm.net · 1 driver
BH ConstructionConstruction company · 340 S Lemon Ave Ste 7693, Walnut(323) 347-5502 · bigbenconstruction.club
Builders PlusConstruction company · 338 Paseo Tesoro, Walnut(800) 787-7833 · buildersplus.net
Clarion ConstructionConstruction company · 21067 Commerce Point Dr, Walnut(909) 598-4060 · clarionconst.com · 1 driver
Coronet USA Inc.Construction company · 20505 Valley Blvd, Walnut(866) 300-6688 · coronet-scaffold.com
D & E Remodeling SuppliesGeneral contractor · 20817 Valley Blvd, Walnut(626) 636-0556 · remodelingforus.com
Freshco PaintersGeneral contractor · 368 S Lemon Ave, Walnut(626) 482-2698 · freshcopainters.com
J.F. Shea ConstructionConstruction company · 667 Brea Canyon Rd, Diamond Bar(909) 594-0990 · jfsheaconstruction.com
JASP Construction & DesignConstruction company · 20653 Lycoming St, Diamond Bar(626) 998-1809 · jaspbuilder.com
Kala ConstructionGeneral contractor · 18760 Amar Rd # 41, Walnut(626) 523-4068 · kalaconstructioninc.com · 1 driver, 1 truck
Kitchen and Flooring CenterGeneral contractor · 20875 Golden Springs Dr, Diamond Bar(909) 594-5020 · kitchennflooring.com
Lira Construction GroupGeneral contractor · 825 Windwood Dr, Walnut(626) 466-5552 · lirasconstruction.com
Live Epoxy LLCGeneral contractor · 3960 Valley Blvd, Pomona(626) 944-3282 · liveepoxyllc.com
Morrow-Meadows CorporationGeneral contractor · 231 Benton Ct, City of Industry(909) 598-7700 · morrow-meadows.com · 37 drivers, 33 trucks
Nexera Builder Inc.General contractor · 4020 Valley Blvd, Walnut(909) 851-2148 · Nexerabuilders.com
Pristine RenovationsGeneral contractor · 20520 Carrey Rd, Walnut(909) 551-1700 · prenovations.com
Ramirez & Yang Co.Construction company · 1370 Valley Vista Dr, Suite 200, Westminster(909) 551-4566 · ramirezyang.co
Right Time ConstructionGeneral contractor · 3910 Valley Blvd, Walnut(951) 902-5281 · righttime-construction.com
RMG BuildingGeneral contractor · 20545 E Walnut Dr N, Diamond Bar(909) 468-2246 · rmgbuilding.com
Sunshine RoofingGeneral contractor · 20300 Carrey Rd Ste B, Walnut(909) 598-8988 · cslb.ca.gov · 1 driver
SymonsConstruction company · 630 Brea Canyon Rd, Walnut(909) 594-8201 · symons.com
United Riggers and ErectorsGeneral contractor · 4188 Valley Blvd, Walnut(909) 978-0400 · ure-inc.com · 4 drivers, 4 trucks
Corner Keystone Construction CorporationConstruction company · Walnut(844) 252-2677 · 6 drivers, 6 trucks
GcgiConstruction company · 20615 Valley Blvd, Walnut(626) 999-5895
Genali ConstructionConstruction company · Walnut(310) 302-9227 · 1 driver, 1 truck
Jincheng Builder, Inc.Construction company · Walnut(626) 926-7402 · 1 driver
S3C EnergyGeneral contractor · 20803 Valley Blvd, Walnut(909) 444-9222
Simich Backhoe ServiceConstruction company · Walnut(909) 839-2536 · 1 driver, 1 truck

Construction 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.