ESTABLISHED IN 1995 · DORAL, FL

Channel Letter Signs in South Florida

Front-lit, halo-lit and reverse channel letters, designed, permitted, fabricated and installed by one local team. We work across Miami-Dade, Broward and Palm Beach from our shop in Doral.

Custom illuminated channel letters on a medical building in North Miami installed by Corporate Signs

Why Contractors and Property Managers Choose Us

State Licensed

Corporate Signs is a state-licensed sign contractor, so your job is built and installed by a licensed company.

In-House Permit Runner

Our own permit runner handles submittals, follow-ups and pickups at the city and county, so your permit keeps moving.

Permits Under Our Own License

Every permit is pulled under our own license. We never need another company to sign our permits.

Established in 1995Licensed Electrical Sign ContractorIn-House PermittingFabrication + Installation

What Are Channel Letters?

Channel letters are individual, three-dimensional letters and logo shapes mounted on a building. Each one is a shallow metal "channel": aluminum sides called returns, a back, and usually a face. LED modules inside light the letter. Because every letter is cut to your artwork, channel letters reproduce your logo, font and brand colors closely, which is why most shopping centers, office buildings and national brands use them.

Corporate Signs Inc has built and installed commercial signs in South Florida since 1995. We handle the survey, drawings, engineering, landlord submittal, city permits, fabrication, installation and final inspection, so you deal with one team from start to finish. See everything we do on our Services page.

Corporate Signs installers mounting black channel letters on a building from scaffolding

Types of Channel Letters

Picking the type comes first, because it decides how your sign looks at night, what your landlord will accept, and how the letters are built.

Front-lit white channel letters above a retail store entrance

Front-Lit Channel Letters

The most common type. LEDs inside the letter shine through a translucent acrylic face, so the face itself glows. Front-lit letters are the brightest and easiest to read from a distance at night, which makes them a strong choice for retail strips, restaurants and roadside storefronts.

Halo-lit reverse channel letters glowing against a dark wall

Halo-Lit (Reverse Channel) Letters

The face and returns are solid metal, and the back is open or clear. The LEDs light the wall behind the letter, creating a soft halo outline. The letters are mounted on spacers so the light can spread. Halo-lit letters give an upscale look and are popular with luxury retail, offices, medical buildings and malls. Some landlords allow only this style.

Front-and-Back-Lit (Combination) Letters

A translucent face plus an open back, so the face glows and a halo shows on the wall. Good when you want maximum presence at night with an upscale finish.

Open-Face Letters (Exposed Neon or LED Neon)

Letters with no face, or a clear face, that show the light source inside. This gives a vintage or bold look for restaurants, bars and entertainment venues. Many landlords and some jurisdictions restrict exposed lighting, so we check the rules first.

Mayorga Organics channel letter sign on a yellow commercial building

Non-Illuminated Channel and Dimensional Letters

Fabricated metal or dimensional letters with no lighting, for lobbies, covered walkways, daytime businesses, or places where lighting isn't allowed. They can be lit later with external lighting if the code allows.

Trimless and Trim-Cap Construction

Most front-lit letters use a plastic trim cap around the edge of the face to hold the acrylic in place. Trimless letters hide the retainer for a cleaner edge, and polished or painted metal trim gives a premium look. We'll recommend the edge that fits your brand and budget.

Cutaway illustration of a front-lit channel letter showing a red translucent acrylic face, 12V LED modules inside, polished aluminum return, low-voltage wiring to a power supply, aluminum back and polished metal trim
Illustration: how a front-lit channel letter is built

Design and Construction

Every channel letter we build follows the same basic anatomy:

  • Face: translucent acrylic (commonly 3/16") on front-lit letters, or solid aluminum on halo-lit letters. Polycarbonate is an option where impact resistance matters.
  • Returns: aluminum sides formed to the shape of each letter, painted to your color or finished in brushed or polished metal.
  • Back: an aluminum back closes the letter and gives it structure. Halo-lit letters use an open or clear back so light reaches the wall.
  • LED modules: low-voltage (typically 12V) LED modules mounted inside the letter, spaced for even light without hot spots.
  • Power supply: LED power supplies convert building power to low voltage. They sit inside a raceway or behind the wall, out of sight.
  • Trim cap or trimless edge: holds the face to the returns.
  • Weep holes and sealing: built-in drainage and sealed seams help letters handle South Florida rain, sun and salt air.

We fabricate in-house and can check fit, color and lighting before the sign leaves the shop. Our installers are part of the same team, which keeps drawings, fabrication and installation in sync.

Crane lifting large fabricated letters into place on a job site

Raceway Mount vs. Direct (Flush) Mount

There are two common ways to attach channel letters to a building:

Raceway mount: the letters attach to a slim aluminum box (the raceway), which is painted to match the façade and bolted to the wall. The power supply and wiring live inside the raceway, so the wall needs only a few penetrations. Raceways make installation and future removal simpler, which suits leased storefronts and walls where access behind is limited.

Direct (flush) mount: each letter is fastened to the wall on its own, usually with threaded studs and spacers set into the building wall. Wiring passes through the wall to power supplies mounted behind it. The result is a cleaner look with no visible box, but it needs access behind the wall and more holes. Halo-lit letters are always stud-mounted with spacers so light can wash the wall.

Illustration of illuminated storefront channel letters showing a 3/16-inch acrylic face, 12V LED modules, painted aluminum return and back, a wall-mounted raceway holding the power supply, a threaded-stud-and-spacer mounting detail, and a front elevation with overall width and height
Illustration: raceway section and stud-and-spacer mounting detail

Channel Letter Sizing Guide

How Channel Letters Are Measured

Channel letters are measured three ways:

  • Letter height: usually the height of a capital letter, top to bottom. This is the number landlords and cities refer to (for example, "18 inches max").
  • Overall width: the length of the full sign from the first letter to the last, which sets the sign area for permits.
  • Return depth: how far the letter projects from the wall. Deeper returns hold more LEDs and look bolder from the side.
Illustration of red front-lit channel letters on a building, with face and return detail, LED module detail, side view, and front and side views marking letter height, width and return depth
Illustration: how letter height, width and return depth are measured

Letter Height and Viewing Distance

A common sign-industry rule of thumb is about 1 inch of letter height for every 10 feet of viewing distance for a sign people read at a glance. Signs aimed at moving traffic, busy backgrounds, thin or script fonts, and low contrast all call for larger letters.

Farthest viewer distanceSuggested minimum letter height
50 ft (sidewalk / walkway)5 in
100 ft (parking lot)10 in
150 ft (across a large lot)15 in
200 ft (road frontage)20 in
300 ft (major road / highway frontage)30 in

Rule of thumb only. Final size depends on your font, mounting height, lighting and the maximum sign area your city and landlord allow.

Code and Landlord Limits

Bigger isn't always allowed. Your city sets the maximum sign area for your wall, and many shopping centers set their own letter-height limits. For example, at the Shops at Merrick Park in Coral Gables, the landlord criteria call for three-dimensional halo-lit reverse-channel letters with an 18-inch maximum letter height, and the City of Coral Gables limits wall-sign width to 50% of the storefront width. We size your letters to the strictest rule that applies before anything goes to fabrication.

Colors and Finishes

  • Colored acrylic faces: translucent acrylic in standard sign colors, chosen to glow evenly at night.
  • Translucent vinyl overlays: white acrylic faces covered with translucent vinyl for exact brand-color matches and multi-color logos.
  • Day/night (dual-color) perforated film: faces that look black (or another color) by day and light up white or in color at night. A good fit for modern, dark façades.
  • Painted returns and trim: returns painted to match your brand or the building, in gloss, satin or matte.
  • Brushed and polished metals: brushed aluminum, polished or brushed stainless steel, and metal-look finishes for upscale halo-lit letters and lobby signs.
  • LED color: white LEDs in different color temperatures, or colored LEDs for halo effects.

We'll show you a rendering of your letters on your actual building before you approve fabrication.

Illuminated channel letters and blade sign on a fitness studio storefront in Miami Beach

Channel Letters for Retail, Office and Industrial Buildings

The Vitamin Shoppe channel letter sign above a retail storefront

Retail, Restaurants and Shopping Centers

Front-lit letters give the most night-time visibility along busy roads and in strip centers. Halo-lit or reverse-channel letters fit upscale malls and lifestyle centers, which often require concealed lighting and no visible raceways. Restaurants often add open-face or combination letters for character, where the landlord allows it.

Custom illuminated channel letters on a medical building in North Miami

Offices and Medical Buildings

Halo-lit letters and brushed or painted metal finishes look professional on office towers, medical buildings and lobbies. Building-top and parapet letters are usually front-lit for distance reading and need structural and wind-load engineering.

Illuminated channel letters on a bank branch facade in Fort Lauderdale

Industrial, Warehouse and Logistics

Large front-lit or non-illuminated letters on warehouse walls help drivers and deliveries find you. Raceway mounting works well on tilt-wall and metal buildings, where access behind the wall is limited.

SettingUsually a good fit
Strip center / roadside retailFront-lit, raceway or direct mount
Mall / lifestyle centerHalo-lit or reverse channel, concealed power (check criteria)
Restaurant / barFront-lit, combination or open-face (where allowed)
Office / medicalHalo-lit, front-lit for building tops
Warehouse / industrialLarge front-lit or non-illuminated, raceway mount

We install channel letters throughout South Florida, including Doral, Miami, Miami Beach, Coral Gables, Hialeah, Medley, Sweetwater, Boca Raton, Delray Beach, Boynton Beach and West Palm Beach. See our full South Florida service area.

Channel Letter Permits in South Florida

We are state licensed, our in-house permit runner handles your submittal, and every permit is pulled under our own license, with no outside company signing for us.

Almost every permanent exterior sign in South Florida needs a permit before it goes up, and illuminated channel letters need both building and electrical review. Here's what's typically involved:

  • Sign permit with drawings: building elevations with sign dimensions, sign copy, mounting and electrical details, and a site plan showing existing signs. In unincorporated Miami-Dade, illuminated exterior signs are filed under an electrical sign category and reviewed by zoning, building, structural and electrical.
  • Signed and sealed engineering: Miami-Dade requires wind-load calculations with a registered engineer's seal for wall signs over 24 sq ft. The City of Doral asks for signed and sealed structural calculations for larger signs.
  • Hurricane wind loads: Miami-Dade and Broward are in the Florida Building Code's High-Velocity Hurricane Zone (HVHZ), which sets higher design wind speeds for sign structures and attachments. Palm Beach County signs are also engineered to Florida Building Code wind requirements.
  • Electrical permit and licensed contractor: illuminated signs need a separate electrical permit and inspection. Electric signs must be listed (UL 48 is the standard for electric signs) and installed according to that listing.
  • Owner and landlord approval: cities like Doral require written consent from the property owner. Shopping centers and office landlords usually have their own sign criteria and approval step before the city permit.
  • Design review in some cities: for example, Coral Gables requires Board of Architects approval for signs.
  • Inspections: the city inspects the installed sign before closing out the permit.

We handle permit acquisition for you. Corporate Signs prepares the drawings, coordinates signed and sealed engineering, prepares the landlord submittal, files with the city or county, responds to plan-review comments, attends design-review boards where needed, and schedules final inspections. Permit and city fees are passed through at cost.

Ask About Your Permit

How a Channel Letter Project Works

  1. Site survey: we measure the wall, check the power location and access, and photograph the façade.
  2. Design and rendering: we draw your letters to scale on your building, with revisions.
  3. Engineering and landlord approval: signed and sealed drawings where required, and a submittal set for your landlord.
  4. Permits: we file and manage the sign and electrical permits.
  5. Fabrication: letters are built and tested.
  6. Installation: our crews install with bucket trucks, lifts or cranes as needed, and make the final electrical connection.
  7. Final inspection: we schedule and meet the inspector, then send you photos of the finished sign.

Our Channel Letter Work

Real Corporate Signs jobs: fabrication, installation and service across South Florida. See more on our Projects page.

Channel Letter FAQs

Which type of channel letter is right for my business?

It depends on where the sign is, who needs to read it, and what your landlord allows. Front-lit letters are the brightest and easiest to read from a distance at night, so they suit roadside retail and restaurants. Halo-lit (reverse channel) letters give a softer, upscale look for offices, medical buildings and malls. If your shopping center has sign criteria, that often decides the type for you. We review the criteria and show you a rendering before you choose.

What size should my channel letters be?

A common rule of thumb is about 1 inch of letter height for every 10 feet of viewing distance, so letters read from 100 feet away should be around 10 inches tall. Letters aimed at moving traffic should be larger. Your city's maximum sign area and your landlord's height limits set the ceiling, and we size your letters to fit both.

What colors and finishes are available?

Colored acrylic faces, translucent vinyl overlays for exact brand colors, day/night perforated film that looks dark by day and glows at night, painted returns in any color, and brushed or polished metal finishes. We can match most brand standards.

Which channel letters work best for retail, office and industrial buildings?

Retail strips and restaurants usually choose front-lit letters for night visibility. Malls and lifestyle centers often require halo-lit or reverse-channel letters with concealed power. Offices and medical buildings lean toward halo-lit letters and metal finishes. Warehouses and industrial buildings typically use large front-lit or non-illuminated letters on a raceway.

What do I need to get a permit for channel letters?

Usually a sign permit with drawings (elevations, dimensions, mounting and electrical details), signed and sealed engineering for larger signs, a separate electrical permit for illuminated letters, the property owner's written consent, and your landlord's approval. Some cities, like Coral Gables, also require design review. We handle the whole permit process for you, and city fees are passed through at cost.

How long does a channel letter project take?

It depends mostly on landlord approval and the city's permit review. Some cities process simple sign permits within days, while others take longer, especially if design review or plan corrections are needed. Fabrication and installation follow once permits are approved. We'll give you a timeline for your specific site after the survey.

How much do channel letters cost?

Every sign is custom, so we quote after a site survey. The main cost factors are the number and height of letters, the type (front-lit, halo-lit, combination), materials and finishes, raceway or direct mounting, engineering and permit requirements, installation access (lift, bucket truck or crane), and whether old signs need to be removed. Call 305-500-9313 or send us your logo and a photo of the wall for a quote.

What are landlord sign criteria?

Most shopping centers and office landlords publish rules for tenant signs: allowed letter types, maximum letter height, colors, lighting, mounting and where power supplies can go. For example, the Shops at Merrick Park in Coral Gables allows three-dimensional halo-lit reverse-channel letters up to 18 inches tall and does not allow exposed raceways or illuminated acrylic faces. We design to your center's criteria and prepare the landlord submittal before we file for city permits.

Raceway or direct mount: which is better?

Raceway mounting puts the letters on a slim painted box that holds the wiring and power supply, so it needs fewer holes in the wall and is easier to remove at the end of a lease. Direct (flush) mounting attaches each letter to the wall with studs and spacers for a cleaner look, but it needs access behind the wall. Your wall construction and landlord rules usually point to the right choice.

How long do channel letters last, and what maintenance do they need?

Well-built aluminum channel letters with LED lighting are designed for years of outdoor use. Lifespan depends on materials, sun exposure, salt air and how well the letters are sealed and drained. Over time, LED modules and power supplies may need replacing, and faces can fade. We service and repair channel letters, including LED and power-supply replacement and converting older neon letters to LED.

Get a Channel Letter Quote

Tell us about your sign and location. We'll follow up to schedule a survey or send a quote. Prefer to talk? Call (305) 500-9313.

Corporate Signs Inc · 5960 NW 99th Ave #8, Doral, FL 33178 · (305) 500-9313 · [email protected] · Established in 1995 · Serving Miami-Dade, Broward and Palm Beach. Questions first? Contact us or read about our team.

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Established in 1995 · 5960 NW 99th Ave - #8, Doral, Florida 33178 · 1 305 500 9313 · [email protected]