Electrician Blog: Tips & News | Adrian Electric - El Campo, TX

Commercial Tenant Build-Out Electrical | Fort Bend County, TX

Written by Jacob Adrian | Aug 17, 2026, 2:00:02 PM

If you're opening a business in Sugar Land, Richmond, Rosenberg, or Missouri City, the electrical portion of your build-out is where most first-time tenants get surprised. It's not the work itself that catches people off guard — it's who's actually responsible for paying for it, and which permit office in Fort Bend County you're even supposed to call. Here's what the lease doesn't spell out and the space-planning brochure doesn't mention.

Master Electrician Jacob Adrian brings direct build-out experience to this. Before founding Adrian Electric, he personally wired numerous ground-up commercial tenant build outs from coffee shops like Starbucks, to high-rise office tenant improvements. This guide draws on what actually goes wrong on those jobs, not just a code checklist.

What Electrical Work Is Actually Included in a Commercial Build-Out?

It depends entirely on what condition your space is in when you get the keys. A cold shell is essentially walls, a roof, and an unfinished floor. There's no interior wiring at all, so your electrician is starting from the point of connection and building out everything — panel, branch circuits, lighting, outlets, all of it. A vanilla shell usually already has a panel, some outlets, and a finished ceiling with basic lighting.

Your electrician's job there is adding what's specific to your business: dedicated equipment circuits, relocated or additional outlets, task lighting, a data drop or two for communications and sensors, and the field wiring and devices for a fire alarm system if your layout changes occupied space. Full structured cabling, a server or IT room build-out, and the fire alarm control panel itself are typically a separate specialty scope — worth asking about directly so nothing falls through the cracks between contractors.

The two terms aren't standardized between landlords, so don't assume. Read the actual lease exhibit — the "work letter" — that describes what you're getting, or ask your electrician to walk the space with you before you sign anything.

Who Pays for What? Landlord vs. Tenant Electrical Responsibility

As a rule, the landlord's responsible for the base building: the main electrical service, primary distribution, and the risers feeding your suite. You're responsible for everything inside your leased space — branch circuits, fixtures, outlets, and anything specific to how you use the space. That split is usually funded through your Tenant Improvement Allowance, a dollar amount (often quoted per square foot) the landlord contributes toward your build-out costs. It's a budget cap, not free money — if your electrical work runs over that allowance, you're covering the difference.

The gray area almost everyone runs into: what happens if the existing panel doesn't have enough capacity for your business? That's a negotiation the lease should settle before you sign, not a surprise mid-construction. If your lease is silent on who pays for a panel upgrade, get that in writing before you commit to the space — it's a common, and expensive, dispute.

One more thing worth knowing: Texas law gives an unpaid subcontractor the ability to place a lien tied to unpaid work. That's true even if you've already paid your general contractor in full. It's rarely a real problem on a project this size, but it's worth asking any contractor you hire how they handle payment verification down the chain before you sign.

Do You Need a Permit for a Tenant Build-Out in Fort Bend County?

Yes — but which office you call depends on whether your address is actually inside city limits, and that's not always obvious. Sugar Land, Missouri City, Rosenberg, and the City of Richmond each run their own building department and issue their own commercial electrical permits, all under some edition of the National Electrical Code. Texas has adopted the 2023 NEC statewide as the baseline. (Texas is scheduled to move to the 2026 NEC on September 1, 2026 — if your build-out timeline stretches past that date, confirm which edition applies to your permit.) Here's the breakdown:

City

Permit Office

Notes

Sugar Land

Permits & Inspections, 2700 Town Center Blvd

Online via Citizen Self-Service (CSS) portal

Missouri City

Development Services, 1522 Texas Parkway

Online via MCTX Self Service Portal

Rosenberg

Building Inspections & Code Compliance, 2220 4th St

Online via My Government Online (MGO)

Richmond (inside city limits)

Building Department, 402 Morton St

Online via MyGovernmentOnline

 

That last row comes with a real catch worth knowing about. The Harvest Green development, for example, carries a Richmond, TX mailing address, but the property actually sits in Richmond's extraterritorial jurisdiction — unincorporated Fort Bend County — not inside city limits. In that case, the permit doesn't come from the City of Richmond at all. It comes from Fort Bend County Engineering (301 Jackson St, 4th Floor, Richmond, TX; 281-342-3411).

The county doesn't run a city-style building permit or electrical inspection program the way an incorporated city does. Life-safety compliance instead runs through the Fort Bend County Fire Marshal's office under the County Fire Code, which still requires things like an Electrical System Test Report as part of getting a Certificate of Compliance — so "no city inspector" doesn't mean no oversight at all. If your address looks like it's "in Richmond" but you're not sure whether that means the city or the county, that's worth confirming before you assume which set of rules applies to you.

Do You Need a Certificate of Occupancy Before You Open?

Yes, in all three incorporated cities — passing your electrical inspection isn't the finish line. The Certificate of Occupancy, or CO, is. Sugar Land, Missouri City, and Rosenberg all require a CO before you can legally occupy the space or open for business. It's issued only after building, electrical, and fire and life-safety finals are all approved.

Missouri City is the strictest example. The city won't authorize your electric meter to be turned on until a general electrical inspection is submitted and approved separately — so passing the wiring inspection and having the power on aren't automatically the same day. If your schedule has a hard opening date, build in a few extra days for this step rather than assuming inspection day is move-in day.

Some cities, including Missouri City, will issue a temporary CO — typically good for about 30 days — if all life-safety items are approved but a few punch-list items remain. It's worth asking about if your timeline is tight.

What Are the ADA Requirements for Outlets and Switches in a Commercial Space?

Outlets need to sit at least 15 inches off the finished floor. Switches or controls can't be mounted higher than 48 inches. That's the federal ADA standard, and Texas enforces its own nearly identical version, called the Texas Accessibility Standards (TAS). Both numbers matter in the other direction too: an outlet mounted too low, or a switch mounted too high, can fail an inspection just as easily as one that's missing entirely. If your build-out involves a counter or other obstruction in front of an outlet or control, the maximum reach height often drops even further — it's worth having your electrician plan device placement around your specific layout rather than defaulting to old habits.

There's a dollar-figure trigger worth knowing about too. Any commercial project with a total estimated cost of $50,000 or more has to be registered with the Texas Department of Licensing and Regulation, and a Registered Accessibility Specialist has to review it before it's built. That threshold applies to your whole project cost, not just the accessibility-related portion — and it applies even if you're in an area with no city permit office, like unincorporated Fort Bend County.

How Much Does Tenant Improvement Electrical Cost, and How Long Does It Take?

There's no single number, because a basic office build-out and a restaurant build-out aren't remotely the same job. As a general range, electrical work typically runs somewhere in the neighborhood of $8 to $25 per square foot. Simple office space lands toward the low end; commercial kitchen equipment, medical gear, or heavy dedicated circuits push it toward the high end. Treat that as a planning range, not a quote — we'll give you an actual number once we've seen your space and your scope.

The biggest single factor that moves both the cost and the timeline is whether your existing electrical panel has the capacity for what you're adding. Finding out mid-project that it doesn't is the single most common source of budget and schedule surprises in a build-out. On-site electrical work for a typical small commercial space usually runs about two to three weeks, spread across the full construction schedule — but permit review timelines vary a lot more than the construction itself, especially if TAS review or multiple trade permits are stacking up at the same time.

 

Before you sign a lease or finalize a build-out budget, it's worth having a licensed electrician walk the space with you. Panel capacity, ADA placement, and which permit office actually has jurisdiction are all things that are far cheaper to sort out before construction starts than after. If you're planning a commercial build-out in Fort Bend County, schedule a consultation and we'll walk you through exactly what your space needs. That includes Sugar Land, Richmond, Rosenberg, and Missouri City.

 

Have more electrical questions? Check out our full Frequently Asked Questions page.