LED retrofit costs vary, but there are reliable planning ranges for every commercial building type. Variables that move the number include building type, fixture count, fixture type, ceiling height, access conditions, controls requirements, and whether the project is subject to prevailing wage. This page gives you solid planning numbers — an actual assessment of your facility gives you an exact one.

Cost Ranges by Building Type

All costs below are all-in installed costs including materials, labor, and permitting. They do NOT include utility rebate offsets (see the rebate section below).

Building Type	Installed Cost Range	Notes
Office (troffers, T8)	$1.50–$3.00/sq ft	Straightforward drop-ceiling work
Warehouse / High-Bay	$200–$600 per fixture	Height and lift equipment affect labor significantly
Retail	$1.50–$4.00/sq ft	Wide range based on fixture variety
School / Institutional	$1.75–$4.50/sq ft	Prevailing wage adds 20–40% to labor costs
Healthcare	$2.00–$5.00/sq ft	Higher specification requirements

Factors That Move the Price

Fixture type. Replacing a standard 2×4 troffer in a drop ceiling is the simplest and least expensive scenario. High-bay fixtures, specialty downlights, and refrigerated case lighting all require more time and more specific product sourcing.

Ceiling height. Every additional foot of ceiling height adds labor time. Work above 12 feet typically requires a lift — scissor lift or boom lift depending on height and clearance. Warehouse projects with 30-foot ceilings have meaningfully higher labor content than office projects at 9 feet.

Access conditions. Occupied buildings where work must be performed after hours or in phases around tenant operations cost more than empty buildings with unrestricted access. Phasing around business operations requires more mobilizations and longer project duration.

Controls. Occupancy sensors, daylight sensors, and dimming controls add upfront cost — typically $50 to $150 per zone depending on system complexity — but improve the return on investment by reducing energy use during unoccupied and daylit hours. For buildings with Clean Buildings compliance obligations, controls documentation also contributes to energy management plan requirements.

Permit requirements. Most commercial electrical work in Washington requires an electrical permit. Permit fees are typically $500 to $3,000 depending on jurisdiction and project valuation, and permit processing adds 2 to 6 weeks to the project timeline in most Pierce County jurisdictions.

Emergency circuits. Existing emergency lighting circuits may require separate handling — replacing emergency fixtures, battery units, or integrating with the new LED system. This is a separate scope item that needs to be assessed per building.

Prevailing wage. Work on public agency facilities — school districts, municipal buildings, state-owned properties — is subject to Washington State prevailing wage under RCW 39.12. Prevailing wage adds 20 to 40 percent to labor costs compared to private commercial rates. This is a real cost that belongs in any public agency capital budget estimate from day one.

Project phasing. A single-phase project with one contractor mobilization is meaningfully more efficient than the same scope broken into multiple phases. When phasing is necessary due to budget or operational constraints, build in a mobilization cost premium for each phase.

ROI and Payback Period

LED retrofit consistently delivers one of the strongest returns of any building capital investment. Typical energy savings run 40 to 60 percent reduction in lighting electricity consumption — fluorescent to LED conversion is not marginal, it’s substantial.

Average simple payback period before utility rebates: 3 to 7 years depending on building type, current energy rates, and operating hours. After applying PSE or TPU rebates: 2 to 5 years. That’s before accounting for reduced lamp replacement labor, reduced fixture maintenance, and lower mercury disposal costs.

LED fixture lifespan changes the maintenance math significantly. Commercial LED fixtures are rated at 50,000 hours or more at L70 — meaning they retain 70 percent of their initial light output at that point. Compare that to fluorescent lamps at 15,000 to 20,000 hours. Fluorescent systems require lamp replacement every 2 to 4 years in typical commercial operation. LED systems require essentially no lamp replacement for 15 to 25 years of normal use.

Example: A 10,000 square foot office building operating 8 hours per day, 5 days per week, might spend $8,000 to $12,000 annually on lighting electricity with fluorescent fixtures. LED conversion typically reduces that by 50 percent — saving $4,000 to $6,000 per year. At an installed cost of $20,000 to $30,000 (with rebates applied), simple payback runs 4 to 6 years. After payback, the energy savings continue for the life of the fixtures.

The 2029 deadline changes the ROI calculus in one important way: the question is no longer purely whether the payback period is attractive enough. It’s what happens to your building if you don’t do this. When fluorescent lamps start failing after mid-2029 and there are no replacements available, the cost of not acting becomes very high very quickly.

Utility Rebates — What You Can Get Back

Puget Sound Energy (PSE) commercial lighting rebates typically offset 20 to 40 percent of qualifying material costs on LED retrofit projects in PSE territory. Rebates are applied by the contractor at the point of fixture procurement — the credit shows up in your project cost, not as a check you file for later. Most commercial properties in Pierce County outside of Tacoma are PSE-served.

Tacoma Public Utilities (TPU) offers comparable commercial lighting incentives for customers in its service territory. Rebate amounts and program terms are similar in scope to PSE, though the specific rates differ. Confirm current TPU incentive levels directly before finalizing your budget.

For budget planning purposes, assume rebates will reduce your gross material cost estimate by 20 to 30 percent in PSE or TPU territory. Use this as a planning assumption, not a guarantee — rebate programs are subject to annual budget cycles and can be modified or exhausted. Elevated Systems enrolls projects in rebate programs and handles all documentation as a standard part of the project.

Important: rebate enrollment typically needs to happen before fixtures are ordered, not after. If you buy fixtures and then try to apply for a rebate, you will likely find the project is ineligible. Work with a contractor who knows the program requirements and handles enrollment as part of the project scope.

What You Get for the Money

A commercial LED retrofit is not a commodity purchase. Done correctly, you are getting:

• Commercial-grade LED fixtures specified to match your application (not home improvement store product)
• L70 lumen maintenance ratings of 50,000+ hours
• 5-year fixture warranties standard from reputable manufacturers
• Maintained light levels verified to match your application requirements
• Elimination of the 1 to 2 year fluorescent lamp replacement cycle and associated labor cost
• No mercury in your waste stream going forward
• A documented compliance solution for the 2029 ban
• Properly pulled permits and inspected work — which matters for building insurance and future sale

How to Build a Capital Budget Request

For commercial building owners preparing a capital budget request or board presentation, here is a straightforward process:

1. Get a facility assessment. Fixture count, types, and current wattage — you need actual numbers, not estimates based on square footage alone.
2. Apply the planning ranges to get a gross estimate. Use the table above as a starting framework, adjusted for your building type and conditions.
3. Identify applicable rebate programs. PSE or TPU depending on your utility service area. Subtract 20 to 30 percent from gross material cost.
4. Calculate net installed cost. Gross installed cost minus rebate estimate equals your budget request number.
5. Calculate simple payback. Net installed cost divided by annual energy savings equals payback in years.

For school districts and public agencies, add prevailing wage premium to labor (20 to 40 percent above private commercial), include project management costs, and build in a 10 percent contingency on the total.

Elevated Systems provides no-obligation lighting assessments for commercial and institutional clients throughout Pierce County and south King County. We walk your facility, count your fixtures, and deliver a firm installed cost estimate with rebate offsets identified — everything you need to build a capital budget request or board presentation.

Call admin@elevatedsystems.net. License ELEVASL799BN.

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