Office Buildout Cost in Dallas, TX (2026 Guide)
Office costs in Dallas swing less on the building and more on how much you change. Keeping the existing layout and refreshing finishes is a fraction of the cost of moving walls, which pulls electrical, HVAC and fire sprinkler work along with it.
The ranges below come straight from our Texas cost estimator for the Dallas metro, so they match what you will see if you run your own numbers. They are planning ranges for budgeting and lease negotiations — not quotes.
Office buildout cost per square foot in Dallas
Refresh — paint, carpet, minor lighting
New partitions, updated HVAC, modern lighting
Full gut — custom millwork, glass partitions, AV
Per-sq-ft ranges at a typical 5,000 sq ft office. Larger suites spread fixed costs and trend slightly lower per sq ft; smaller ones trend slightly higher (the estimator adjusts by up to ±8%).
What a 5,000 or 10,000 sq ft office costs in Dallas
| Finish level | 5,000 sq ft | 10,000 sq ft |
|---|---|---|
| Basic | $100K–$230K$20–$45/sq ft | $190K–$430K$19–$43/sq ft |
| Standard | $230K–$430K$45–$85/sq ft | $430K–$820K$43–$82/sq ft |
| Premium | $430K–$750K$85–$150/sq ft | $820K–$1.4M$82–$144/sq ft |
Totals use the estimator’s formula for Dallas and are rounded to two significant figures. Excludes furniture, IT/AV equipment, signage, moving and lease costs.
Estimate your Dallas office project
Allowed range 500–60,000 sq ft. Planning range, not a quote.
Where the money goes
Illustrative split for a 5,000 sq ft standard office buildout ($230K–$430K). These are typical planning allocations, not data from your bids.
- Construction & finishes50% · $120K–$220K
- MEP systems28% · $64K–$120K
- Permits & design8% · $18K–$34K
- GC fee & contingency14% · $32K–$60K
How long it takes
Typical schedule for a 5,000 sq ft office in Dallas: permits and plan review first, then construction.
| Finish | Permits | Build | Total |
|---|---|---|---|
| Basic | 2–6 wks | 2–4 wks | 4–10 wks |
| Standard | 2–6 wks | 6–10 wks | 8–16 wks |
| Premium | 2–6 wks | 12–20 wks | 14–26 wks |
Typical ranges from our estimator. Construction weeks start after permits are issued; incomplete drawings, resubmittals and long-lead equipment are the usual causes of delay.
What drives office buildout costs in Dallas
How many walls you move
New partitions trigger electrical, data, HVAC and sprinkler changes. Reusing the existing layout keeps you near $20–$45/sq ft; a new floor plan usually lands in the $45–$85/sq ft range.
Shell condition (first- vs. second-generation)
A previously built-out suite with usable ceilings, lighting and restrooms costs far less than a shell floor that needs everything, including restroom cores and HVAC distribution.
HVAC & electrical capacity
Dense seating, server rooms and conference rooms add cooling load and circuits. If the floor needs new VAV boxes, supplemental cooling or panel capacity, expect the mid-to-upper range.
Occupied building, after-hours work
Many Class A and B buildings require noisy, dusty or disruptive work to happen after hours, with freight-elevator scheduling and protection of common areas. Phased work around active employees adds labor premiums.
Finish level
Glass-front offices, custom millwork, feature ceilings and AV integration push toward $85–$150/sq ft — and corporate fit-outs can go higher.
Accessibility & building standards
Projects of $50,000 or more must be registered with TDLR for Texas Accessibility Standards review, and landlords often specify building-standard materials, approved subcontractors and insurance requirements that affect price.
Dallas permits and requirements for office buildouts
Most office buildouts in Dallas involve a few approvals beyond the lease. Your contractor should handle them, but each one affects your schedule.
Building permit (Development Services)
Commercial finish-outs and remodels need a building permit from the City of Dallas, with construction documents submitted for plan review. Purely cosmetic work may not — confirm scope with the City or your contractor. The City also offers an optional paid alternate plan review (Q-Team).
Source: City of Dallas — Permitting & Inspections · City of Dallas — Commercial Quick Guide (PDF)
Accessibility review (TDLR)
Projects with a total estimated cost of $50,000 or more must be registered with TDLR (TDLR lists a $175 project filing fee). A Registered Accessibility Specialist reviews the construction documents and inspects the finished space; RAS fees are separate. Smaller projects must still comply with the Texas Accessibility Standards.
Source: TDLR — Architectural Barriers at a Glance (PDF) · TDLR — Architectural Barriers fee schedule · TDLR — Architectural Barriers FAQ
Certificate of Occupancy
Dallas requires a new Certificate of Occupancy for a change of tenant or change of use, and when an existing use adds or removes floor area — so a new office tenant generally needs its own CO after final inspections.
Landlord approval
Your lease will usually require landlord sign-off on drawings and contractors, proof of insurance, and compliance with building rules on work hours — get these in writing before you collect bids.
Fees and review times change; check the linked pages or ask your contractor for current figures. Our office guides use 2–6 weeks for DFW plan review, which is what the timelines on this page assume.
How to keep your Dallas office buildout on budget
- Negotiate the tenant improvement allowance before you sign. Our tenant improvement allowance guide notes $50–$100 per sq ft is common for DFW Class A office on leases of five years or more.
- Keep the existing layout where you can. Every wall you keep is electrical, HVAC and sprinkler work you don’t pay for.
- Use the building-standard ceilings, lighting and doors, and spend on the few rooms clients see.
- Get contractor pricing before signing the lease so you know the real gap between your budget and the TI allowance.
- Finish the design before bidding. Change orders mid-construction are the most expensive way to make decisions.
How to get accurate bids
- Give every bidder the same drawings and finish spec, plus the building’s rules on work hours, freight elevator use and insurance.
- Ask for line items for demolition, framing and drywall, electrical and data, HVAC, fire sprinkler, ceilings, flooring and paint — then compare line by line.
- Clarify whether low-voltage cabling, security and AV are in or out of scope; they are often bid separately.
- Check licenses and insurance with our commercial contractor vetting checklist and the guide on how to verify Texas contractor licenses.
- Collect at least three bids — see how to get multiple contractor bids.
Post your office project free and compare up to 3 itemized bids from verified commercial contractors who work in Dallas.
Get Commercial BidsOffice buildout costs in Dallas — FAQ
How much does an office buildout cost per square foot in Dallas?
Planning ranges for Dallas are about $20–$45 per sq ft for a refresh (paint, carpet, minor lighting), $45–$85 per sq ft for a standard buildout with new partitions, HVAC and lighting, and $85–$150 per sq ft for a full gut with premium finishes. For 5,000 sq ft that is roughly $100K–$230K, $230K–$430K and $430K–$750K; for 10,000 sq ft, about $190K–$430K, $430K–$820K and $820K–$1.4M.
How long does an office buildout take in Dallas?
Allow about 2–6 weeks for plan review and permits, then roughly 2–4 weeks of construction for a refresh, 6–10 weeks for a standard buildout, or 12–20 weeks for a full gut (5,000 sq ft). After-hours work rules in occupied buildings can stretch the schedule.
Will my landlord pay for the office buildout?
Often in part. Landlords commonly offer a tenant improvement (TI) allowance — $50–$100 per sq ft is common for DFW Class A office on leases of five years or more. Subtract it from your buildout estimate to see your out-of-pocket cost, and negotiate it before you sign.
Do I need a permit to renovate an office in Dallas?
Most commercial finish-outs and remodels — new walls, electrical, plumbing or HVAC work — need a City of Dallas building permit, and a new tenant generally needs a Certificate of Occupancy. Purely cosmetic work may not; confirm the scope with the City or your contractor.
What is TDLR registration and does my office project need it?
Texas requires projects with a total estimated cost of $50,000 or more to be registered with the Texas Department of Licensing and Regulation for accessibility. A Registered Accessibility Specialist reviews the plans and inspects the finished work. Smaller projects must still comply with the Texas Accessibility Standards.
What does an office buildout estimate include?
These ranges cover construction, MEP work, permits and design, and the contractor’s fee and contingency. Furniture, IT and AV equipment, signage, moving costs and lease costs are not included.
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