Office lighting retrofit: common Marin scope.
Office lighting retrofit converts older fluorescent or first-generation LED to modern energy-efficient LED with appropriate controls.
By Steven Lockhart · Reviewed by Alex Towery, C-10 #989290
Updated 2026-06-16
Office lighting retrofit for typical Marin office spaces: replace fluorescent troffers with LED panels or new LED troffers, add occupancy sensors per Title 24, install daylight harvesting in window-zone spaces, upgrade to networked control if scale justifies. Per-sq-ft cost $4-$12 depending on retrofit depth. Payback 18-36 months from energy savings; rebates accelerate. Title 24 compliance verified through acceptance testing.
01Three retrofit depths to consider.
Tube replacement only: swap fluorescent T8/T12 tubes with LED tubes in existing fixtures. Lowest cost ($4-$8 per fixture). Works in fixtures designed for LED replacement. Doesn't upgrade fixture optics or controls. Suitable for budget-constrained retrofits or where existing fixtures are recent and well-designed.
Full fixture replacement: replace fluorescent troffers with new LED panel fixtures. $180-$320 per fixture. Better light distribution, longer fixture lifespan, qualifies for higher rebates. Often paired with control upgrades for full Title 24 compliance. Standard scope for most office retrofits seeking meaningful improvement.
02Where to invest within office retrofit.
Quality LED fixtures vs budget
Premium LED fixtures (Lithonia, Cooper Lighting, Acuity) deliver better light quality (CRI 90+, smoother dimming) and longer lifespan (100,000 hours) than budget alternatives. 20-40% premium over budget; favorable economics over 15+ year fixture life.
Lighting controls beyond Title 24 minimum
Networked lighting control (Lutron Quantum, nLight, EnLighted) adds energy management, scheduling, scene control beyond Title 24 minimum standalone sensors. Adds $1.50-$3.50 per sq ft over standalone sensors. Worth doing for offices 8,000+ sq ft where operational value justifies cost.
Color temperature thoughtful selection
3000K-3500K for office spaces; verify with mockup or sample installation before committing to full retrofit. Color temperature affects employee experience significantly; small upfront cost (sample fixtures) prevents whole-retrofit dissatisfaction.
03Common Marin office retrofit projects.
Single-tenant office (5,000-10,000 sq ft): full retrofit with control integration typical scope $35,000-$85,000. Multi-tenant office building (per tenant): retrofit scope per tenant suite varies $8,000-$30,000. Class A office building common-area retrofit: lobby, corridors, restrooms, garage — typical project $25,000-$90,000.
Project timeline: 2-4 weeks total including permit, material lead time, install (typically overnight or weekend), acceptance testing. Per-square-foot install rate 1,000-2,500 sq ft per crew per day depending on fixture type and accessibility. Larger projects deploy multiple crews for compressed timeline.
Common questions.
How long does office retrofit take?
Typical 5,000 sq ft office retrofit: 1-3 weeks total. Permit pull 1 week (where required), material lead time 1-2 weeks (parallel with permit), on-site install 2-4 working days (typically overnight to avoid operational disruption), acceptance testing same week.
Will the office be functional during retrofit?
Yes — overnight/weekend install keeps office operational during business hours. We sequence work in zones so most of the office stays lit during work hours, with retrofit zones dark overnight only. Minimal operational disruption typical.
What's the actual payback?
For typical Marin office: 18-36 months payback from energy savings alone, faster with rebates and maintenance savings. Specific payback depends on operating hours, rate schedule, existing fixture efficiency, retrofit depth. We provide written payback analysis as part of project quote.
How do you handle pricing — flat fee or hourly?
Both, depending on scope. Routine service calls and predictable scope (panel replacement, EV charger install, transfer switch install, fixture replacement) are flat-fee quoted up front. Diagnostic visits and emergency scope are hourly because we don't know what we'll find. Either way, you get a written quote before work starts on anything significant, and we don't proceed beyond the quote without your sign-off.
How quickly can you schedule?
Depends on scope and season. Emergency dispatch: same-day across Marin County (1-3 hours business hours, 1-4 hours after-hours). Same-day standard service: 3-6 hours from call when capacity allows; otherwise next business day. Scheduled service work: 1-3 weeks typical. Larger projects requiring permits and PG&E coordination: 4-12 weeks depending on scope. We're upfront about timeline at the quote stage.
What warranty do you offer on work?
Our standard residential warranty: 2 years on labor, manufacturer warranty on parts (varies by product — typically 1-10 years). Major installs (panels, generators, EV chargers) often have longer manufacturer warranties (5-10 years). If there's an issue with our work in the warranty period, we come back and fix it at no cost. We also stand behind work past warranty — repeat customers and referrals matter more than a transactional fix.
Are you licensed and insured?
Yes. California State License Board C-10 Electrical Contractor #989290, in good standing. Carry general liability insurance and workers' compensation insurance as required by California law. Bondable on projects requiring it. Happy to provide proof of insurance to clients or property managers on request. License lookup: cslb.ca.gov.
Talk to a licensed electrician in Marin.
Family-run, C-10 #989290, 20+ years in the trade. Honest scoping, fair pricing, work that lasts.