San Gabriel Valley

Sign Company in Walnut, CA

OC Sign Company serves Walnut, CA businesses in the San Gabriel Valley with custom commercial sign fabrication — channel letters, monument signs, and illuminated storefront signs for Amar Road retailers, Valley Boulevard commercial tenants, and professional businesses near Mt. SAC.

Custom Signs for Walnut Businesses

OC Sign Company fabricates and installs every sign type for Walnut, Los Angeles County businesses — handling design, city permits, fabrication, and installation under one roof.

Channel Letters in Walnut

Custom-fabricated illuminated and non-illuminated individual letter signs for Walnut storefronts. Front-lit, back-lit halo, and combination styles — including full permitting and electrical hookup.

Monument Signs in Walnut

Ground-level freestanding signs for Walnut retail centers, office parks, and commercial properties. Built from stucco, aluminum, brick veneer, or HDU. Engineered for structural and city code compliance.

LED Signs in Walnut

High-brightness LED illuminated signs for Walnut businesses needing 24/7 visibility. Includes LED cabinet retrofitting and custom LED channel letters — backed by a 10-year module warranty.

3D Building Letters in Walnut

Bold dimensional letters mounted directly to Walnut building facades. Available in aluminum, acrylic, foam (HDU), and stainless steel — illuminated or non-illuminated.

Storefront Signs in Walnut

Custom signage for Walnut retail and commercial storefronts — fascia signs, blade signs, awning lettering, and branded entrance displays built to attract street-level foot traffic.

Outdoor & Pylon Signs in Walnut

Post & panel signs, directional signs, and high-visibility pylon signs for Walnut shopping centers, office parks, and roadside commercial properties.

Why Walnut Businesses Choose OC Sign Company

Since 1993, OC Sign Company has been the trusted sign contractor for businesses throughout Walnut, Los Angeles County and all of Southern California. We're not a franchise or a print shop — we are a dedicated sign fabrication and installation company that handles every step of your project.

30+ Years ExperienceServing California businesses since 1993
Full-ServiceDesign, permits, fabrication, installation — one company
Strongest Warranty7-year workmanship · 10-year LED modules
Permit ExpertsWe handle all city permits so you don't have to
Free QuotesNo-obligation written quotes, always
5-Star RatedConsistently rated 5.0 on Google

Our Process for Walnut Projects

  1. 1
    Free ConsultationWe discuss your sign needs for your Walnut location — on-site or by phone. No obligation.
  2. 2
    Custom DesignOur designers create a digital mockup specific to your Walnut storefront or building. Revisions included.
  3. 3
    City PermittingOC Sign Company handles all permit applications with Walnut and Los Angeles County — you don't lift a finger.
  4. 4
    FabricationIn-house and partner fabrication using commercial-grade materials built to last in San Gabriel Valley conditions.
  5. 5
    Professional InstallationLicensed, insured crews install your sign at your Walnut location with zero disruption to your business.
  6. 6
    Warranty Coverage7-year workmanship warranty + 10-year LED module warranty. Among the strongest in the Los Angeles County sign industry.

Serving Walnut and Surrounding Cities

OC Sign Company is headquartered in Irvine, CA and serves Walnut, Los Angeles County along with the entire Southern California region. Our San Gabriel Valley clients include Amar Road corridor, Valley Boulevard commercial strip, and Mount San Antonio College area.

In addition to Walnut, we regularly serve businesses in Diamond Bar, Pomona, Rowland Heights, Industry, Chino Hills, and all surrounding communities. If your business is in Los Angeles County or anywhere in Southern California, OC Sign Company can handle your sign project.

Walnut, CADiamond Bar, CAPomona, CARowland Heights, CAIndustry, CAChino Hills, CA

Frequently Asked Questions — Walnut Signs

Do you serve Walnut, CA?

Yes. OC Sign Company serves Walnut, Los Angeles County and all of San Gabriel Valley. We handle design, city permitting, fabrication, and installation for Walnut businesses. Call us at (949) 430-2835 for a free quote.

How much do signs cost in Walnut?

Sign costs vary by type. Basic storefront signs start around $500–$1,500. Illuminated channel letters typically range $2,000–$8,000+. Monument signs range $3,000–$15,000+ depending on materials. We provide free, no-obligation written quotes for all Walnut projects.

Do you handle city sign permits in Walnut?

Yes. OC Sign Company manages the entire permit process for Walnut and Los Angeles County — including applications, plan checks, and inspections. You don't have to deal with the city bureaucracy.

What types of signs do you install in Walnut?

We install channel letters, monument signs, LED signs, 3D building letters, storefront signs, pylon signs, and outdoor directional signs for Walnut CA businesses. All sign types, any size, full service.

How long does a sign project take for a Walnut business?

Simple outdoor signs: 3–5 business days. Illuminated signs (channel letters, monument signs): 3–6 weeks including design, permitting, and fabrication. We serve Walnut efficiently and communicate timelines clearly upfront.

Ready for a Sign in Walnut?

OC Sign Company provides free, no-obligation quotes for Walnut, Los Angeles County businesses. Call us or submit the online form — we'll get back to you the same day.

Serving Walnut · San Gabriel Valley · All of Southern California