Business Details
37 Years
experience
Custom Signs & Banners in San Luis Obispo, CA
Since 1989, LetterBank DIY Signs has been a trusted provider of custom signage solutions, serving businesses, schools, and organizations nationwide. Our expertise spans dimensional letters, lighted signs, banners, decals, and trade show displays, with production facilities across the United States. We combine decades of industry experience with innovative materials like silicone edge graphics (SEG) and LED lighting to deliver durable, visually striking signage. Our team prioritizes precision in fabrication, offering stainless steel, aluminum, and cast metal options with halo lighting effects. Clients benefit from our streamlined ordering process, fast shipping options, and dedicated support for artwork preparation. With administrative offices near San Luis Obispo, California, we maintain a national footprint while upholding personalized service. Our commitment to quality is reflected in client testimonials praising timely delivery, budget adherence, and exceptional design guidance. From small businesses to Fortune 500 companies, we provide tailored solutions that meet diverse branding and regulatory requirements.
Services
Custom Signs
Banners
Decals
Lighted Displays
Trade Show Graphics
Foam Letters
Metal Letters
Window Graphics
Sidewalk Signs
Sign Frames
Details
- Year established: 1989
Highlights and features
- We offer 35+ years of sign-making expertise since 1989
- Our nationwide production network ensures fast fulfillment
- We provide free artwork evaluation with no setup charges
- We specialize in energy-efficient LED lighting solutions
- Our team handles complex projects for Fortune 500 companies
What people say
Solid gold
Excellent color advice
On time delivery
Professional work
Great difference
Services
Custom Signs
We create tailored signage solutions using premium materials like stainless steel, aluminum, and LED lighting. Our custom signs enhance brand visibility for storefronts, events, and institutions. Clients receive expert guidance on material selection, lighting options, and regulatory compliance.
Banners
Durable fabric, vinyl, and mesh banners for indoor and outdoor use. We offer tension stretch systems, cross-street installations, and portable options. Our printing process ensures vibrant colors and long-lasting durability for promotional campaigns and events.
Lighted Displays
Energy-efficient LED solutions including halo-lit letters, light boxes, and SEG fabric displays. These high-visibility options use modern lighting technology for 24/7 brand exposure while maintaining energy efficiency and easy maintenance access.
Trade Show Graphics
Modular exhibits featuring silicone edge graphics, magnetic menu walls, and portable readerboards. Our trade show solutions combine lightweight materials with durable construction for impactful booth designs that ship quickly.
Foam Letters
HDU foam letters for concrete casting and dimensional signage. Available in sizes up to 46" tall with options for painting, engraving, or integration into architectural displays. Ideal for permanent installations and creative projects.
Questions
What file types do you accept for custom signs?
We prefer vector files (PDF, AI, EPS, SVG) but accept high-resolution raster files (JPG, PNG). Text must be converted to outlines for accuracy.
How long does production take?
Standard orders ship in 1-2 days. Custom projects typically take 5-7 business days depending on complexity and size.
Do you offer nationwide shipping?
Yes, we have production facilities across the US and can fulfill orders nationwide with competitive freight rates.
Can you match specific color requirements?
We use Pantone color matching and provide proofs for approval. Our printing process ensures accurate color reproduction on all materials.
What lighting options are available?
We offer LED solutions including halo lighting, face-lit panels, and backlighting options for both indoor and outdoor applications.
Reviews (1)
Joe Giral
REally, really knowledgeable and helpful. If you ask, they tell you about the free service to review and update your look (or logo). Sweet.