CommercialDowntown Tucson Office Build-Out
Full electrical fit-out for a 12,000 sq ft Class A office — new service, lighting design, and data infrastructure.
Tucson, Arizona
Power That Performs.Built To Last.
Green Electric Solutions delivers premium commercial and high-end residential electrical work across Tucson. Master electrician Joe Castillo brings precision, reliability, and craftsmanship to every job.
23
Years in the Trade
500+
Projects Completed
100%
Licensed & Insured
What We Do
Full-Service Electrical contracting
From ground-up commercial construction to estate-scale residential systems, we handle the full scope of modern electrical work.
Commercial Electrical
Tenant improvements, new construction build-outs, and full commercial wiring engineered to code and built to last.
High-End Residential
Custom homes and luxury estates — clean, concealed installations with meticulous attention to detail.
EV Charging Stations
Level 2 and DC fast chargers for homes, fleets, and commercial properties across Tucson.
Panel Upgrades & Service
200A–400A service upgrades, sub-panels, and load calculations for modern power demands.
NFPA 70E & LOTO Training
Arc-flash safety and Lockout/Tagout training programs that keep your team compliant, certified, and safe on every energized job.
Specialized Testing, Maintenance & Repair
Keep Critical Systems Online
Beyond installation, we deliver engineered testing and maintenance programs that protect uptime, extend equipment life, and keep your facility audit-ready.
Energized & De-energized Maintenance
Safe, code-compliant maintenance performed under both energized and de-energized conditions using strict NFPA 70E protocols and LOTO procedures.
UPS Testing, Maintenance & Repair
Full uninterruptible power system testing — battery load testing, impedance checks, firmware diagnostics, and component repair to keep critical backup online.
Transformer Testing
TTR, insulation resistance, and power-factor testing for transformers of all sizes, with oil sampling and condition assessments to extend service life.
Breaker Testing, Maintenance & Repair
Primary and secondary injection testing, contact resistance, and overcurrent calibration for circuit breakers — plus rebuilds and replacements.
Branch Panel Circuit Tracing
Hands-on training for branch panels and circuit distribution — circuit tracing, load balancing, troubleshooting, and safe maintenance practices for your maintenance staff.
Why Green Electric
The Standard for Serious Work
High-end clients expect more than code minimums. They expect a partner who shows up, communicates clearly, and leaves the work cleaner than they found it.
Master Electrician Led
Every project is overseen personally by Joe Castillo, a licensed master electrician with 23 years on commercial and luxury builds.
Licensed · Bonded · Insured
Full coverage and ROC licensing means your investment is protected from day one through final inspection.
On-Time, On-Budget
Detailed scopes, transparent pricing, and tight coordination with GCs and architects keep timelines honest.
White-Glove Workmanship
Clean conduit runs, concealed wiring, and flawless device placement — the details high-end clients notice.
Selected Work
Recent Projects
A sample of commercial and luxury residential installations across Tucson and Southern Arizona.
Commercial
High-End ResidentialFoothills Custom Estate
Architectural lighting, whole-home automation, EV charging, and a 400A service upgrade for a luxury residence.
SpecializedCommercial Switchgear Upgrade
New panelboard and switchgear installation with organized conduit runs, load balancing, and full commissioning testing.
How We Work
A Process You Can Trust
01
Consultation
We discuss scope, goals, and timeline — then walk the site to assess conditions and constraints.
02
Detailed Estimate
You receive an itemized, transparent quote with materials, labor, and a realistic schedule.
03
Expert Installation
Our crew executes to spec with daily progress updates and rigorous quality control.
04
Inspection & Handoff
We coordinate inspections, test every circuit, and walk you through the finished system.
The Owner
Meet Joe Castillo
Joe and his wife, Zaida Castillo, are the proud owners and operators of Green Electric Solutions — a family business rooted in Tucson, Arizona. Born and raised in Tucson, Joe has dedicated his career to the electrical trade and to serving his community.
A Master Electrician with 23 years of hands-on experience, Joe has been working in the trade since 2002. Prior to this, he served in the United States Army as an Avionic Electrical Technician on Apache helicopters. His military service instilled the discipline, attention to detail, technical expertise, and commitment to safety that guide his work today.
Together, Joe and Zaida have built Green Electric Solutions LLC on core values of family, hard work, honesty, craftsmanship, and service. Family remains central to their business — their son, Joey Castillo, is following in his father's footsteps as a second-year IBEW electrical apprentice, and their daughter, Jaelyn Castillo, is a student-athlete at the University of Arizona, playing softball while pursuing her nursing degree.
For the Castillo family, this business represents a legacy built on dedication, military service, skilled craftsmanship, and a deep commitment to the Tucson community.
- Licensed Master Electrician · 23 years in the trade
- U.S. Army Veteran — Avionic Electrical Technician, Apache helicopters
- Family-owned & operated with Zaida Castillo
- Direct line to the owner — (520) 820-6810
- Proudly serving Tucson & Southern Arizona
Common Questions
Before You Call
Are you licensed and insured in Arizona?
Yes. Green Electric Solutions is fully licensed, bonded, and insured. Our Arizona ROC number is #367637, and we carry comprehensive liability and workers' compensation coverage.
Do you work on both commercial and residential projects?
We specialize in commercial installations and high-end residential work — from office build-outs and retail to custom luxury homes. We do not take small service-call-only jobs so we can stay focused on quality larger scopes.
How quickly can you start?
Depending on current scheduling, we typically begin within 1–3 weeks for commercial work and 2–4 weeks for residential.
Do you offer free estimates?
Yes. We provide complimentary consultations and detailed written estimates for all qualified commercial and high-end residential projects.
Get In Touch
Let's Talk About Your Project
Whether it's a commercial build-out or a custom estate, we'd love to hear about it. Reach out directly or send the details below.
Ready to Power Your Next Project?
Free consultations for commercial and high-end residential work in Tucson.