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Custom home design Cost in Los Angeles — 2026

Ground-up custom residential — design, permit, build under one roof.

2026 LA County range
$500K$3.5M
Updated 2026-04-18
Typical timeline
3680 weeks
On-site construction, plus design + permit phase
Authored by Netanel Presman — CSLB RMO #1105249 · Updated 2026-04-18

What does custom home design actually cost in LA in 2026?

Custom home construction in Los Angeles costs $300 to $1,500+ per square foot in 2026, with total builds ranging from $1M to $10M+. Lot conditions are the single largest cost variable: hillside lots, soil remediation, and environmental review can add $100,000 to $500,000 before framing begins. LA requires Title 24 2025 energy compliance (heat pump HVAC, heat pump water heater, solar PV, EV-ready), seismic design per ASCE 7 (SDC D), and fire hardening per CBC Chapter 7A in VHFHSZ areas. Design-build delivery saves 15-20% by eliminating the gap between architect and contractor. Smart home pre-wiring for Matter/Thread, whole-house audio, security, and EV charging is standard in 2026 custom builds. NP Line Design (CSLB #1105249) provides end-to-end custom home design and construction with in-house architecture, engineering, and construction management.

What drives the price?

Cost by neighborhood — all 167 LA markets

LA County median adjusted per neighborhood tier. Click any neighborhood for a scoped chat pre-seeded with local context.

All 167 neighborhoods
Encino$550K$3.9MWoodland Hills$550K$3.9MSherman Oaks$550K$3.9MStudio City$575K$4.0MPacific Palisades$610K$4.3MBrentwood$610K$4.3MSanta Monica$610K$4.3MVenice$610K$4.3MBeverly Hills$660K$4.6MSilver Lake$575K$4.0MActon$475K$3.3MAgoura Hills$550K$3.9MAlhambra$510K$3.6MAltadena$550K$3.9MArcadia$575K$4.0MArleta$510K$3.6MArtesia$510K$3.6MAthens$475K$3.3MAtwater Village$550K$3.9MAzusa$510K$3.6MBaldwin Hills$510K$3.6MBaldwin Park$510K$3.6MBel Air$660K$4.6MBell$510K$3.6MBell Gardens$475K$3.3MBellflower$510K$3.6MBoyle Heights$510K$3.6MBurbank$550K$3.9MCalabasas$550K$3.9MCanoga Park$510K$3.6MCanyon Country$510K$3.6MCarson$510K$3.6MCastaic$510K$3.6MCerritos$510K$3.6MChatsworth$550K$3.9MChinatown$510K$3.6MClaremont$510K$3.6MCommerce$475K$3.3MCompton$475K$3.3MCovina$510K$3.6MCrenshaw$510K$3.6MCulver City$575K$4.0MDiamond Bar$510K$3.6MDowney$510K$3.6MDowntown LA$510K$3.6MDuarte$510K$3.6MEagle Rock$550K$3.9MEast Los Angeles$510K$3.6MEcho Park$575K$4.0MEl Monte$510K$3.6MEl Segundo$575K$4.0MElysian Park$510K$3.6MFlorence-Firestone$475K$3.3MGardena$510K$3.6MGlassell Park$550K$3.9MGlendale$550K$3.9MGlendora$510K$3.6MGranada Hills$550K$3.9MHacienda Heights$510K$3.6MHancock Park$610K$4.3MHarbor City$510K$3.6MHarbor Gateway$510K$3.6MHawaiian Gardens$510K$3.6MHawthorne$510K$3.6MHermosa Beach$610K$4.3MHidden Hills$660K$4.6MHighland Park$550K$3.9MHuntington Park$475K$3.3MHyde Park$510K$3.6MIndustry$475K$3.3MInglewood$510K$3.6MIrwindale$510K$3.6MJefferson Park$510K$3.6MKagel Canyon$510K$3.6MKoreatown$510K$3.6MLa Canada Flintridge$660K$4.6MLa Crescenta-Montrose$510K$3.6MLa Habra Heights$510K$3.6MLa Mirada$510K$3.6MLa Puente$510K$3.6MLa Verne$510K$3.6MLake Balboa$510K$3.6MLake Los Angeles$475K$3.3MLakewood$510K$3.6MLancaster$475K$3.3MLarchmont$575K$4.0MLawndale$510K$3.6MLeimert Park$510K$3.6MLincoln Heights$510K$3.6MLittlerock$475K$3.3MLomita$510K$3.6MLong Beach$510K$3.6MLos Feliz$575K$4.0MLynwood$475K$3.3MMalibu$660K$4.6MManhattan Beach$660K$4.6MMar Vista$575K$4.0MMarina Del Rey$610K$4.3MMaywood$475K$3.3MMid-Wilshire$575K$4.0MMission Hills$510K$3.6MMonrovia$575K$4.0MMontebello$510K$3.6MMonterey Park$510K$3.6MMount Washington$575K$4.0MNewhall$510K$3.6MNorth Hollywood$510K$3.6MNorthridge$510K$3.6MNorwalk$510K$3.6MPacoima$510K$3.6MPalmdale$475K$3.3MPalos Verdes Estates$660K$4.6MPanorama City$510K$3.6MParamount$510K$3.6MPasadena$610K$4.3MPearblossom$475K$3.3MPico Rivera$510K$3.6MPlaya Del Rey$575K$4.0MPlaya Vista$610K$4.3MPomona$510K$3.6MPorter Ranch$550K$3.9MQuartz Hill$475K$3.3MRancho Palos Verdes$660K$4.6MRedondo Beach$610K$4.3MReseda$510K$3.6MRolling Hills$660K$4.6MRolling Hills Estates$660K$4.6MRosemead$510K$3.6MRowland Heights$510K$3.6MSan Dimas$510K$3.6MSan Fernando$510K$3.6MSan Gabriel$550K$3.9MSan Marino$660K$4.6MSan Pedro$510K$3.6MSanta Clarita$510K$3.6MSanta Fe Springs$510K$3.6MSaugus$510K$3.6MShadow Hills$510K$3.6MSierra Madre$575K$4.0MSignal Hill$510K$3.6MSouth El Monte$510K$3.6MSouth Gate$475K$3.3MSouth Pasadena$610K$4.3MStevenson Ranch$510K$3.6MSun Valley$510K$3.6MSunland-Tujunga$510K$3.6MSylmar$510K$3.6MTarzana$550K$3.9MTemple City$550K$3.9MTorrance$510K$3.6MValencia$510K$3.6MVan Nuys$510K$3.6MVernon$475K$3.3MView Park$510K$3.6MWalnut$510K$3.6MWalnut Park$475K$3.3MWatts$475K$3.3MWest Adams$510K$3.6MWest Covina$510K$3.6MWest Hills$550K$3.9MWest Hollywood$610K$4.3MWestchester$575K$4.0MWestmont$475K$3.3MWhittier$510K$3.6MWillowbrook$475K$3.3MWilmington$510K$3.6MWinnetka$510K$3.6M

What LA rules actually apply?

What homeowners miss that costs them money

Get a scoped estimate — tell Baily your project.

Custom home design cost scoping — built by NP Line Design.

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Baily is named after Francis Baily — an English stockbroker who retired at 51, became an astronomer, and in 1836 described something on the edge of a solar eclipse that nobody had properly articulated before: a string of bright beads of sunlight breaking through the valleys along the moon's rim.

He wasn't the first to see them. Edmond Halley saw them in 1715 and barely noticed. Baily's contribution was clarity — describing exactly what was happening, in plain language, so vividly that the whole field of astronomy paid attention. The phenomenon is still called Baily's beads.

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