TORCHENGINEERING (480) 490-0064 Get a Quote

ADU Design in Marana, AZ

Torch Engineering provides ADU Design in Marana, Arizona. Site plan, floor plans, elevations, structural design, and energy compliance — the complete drawing set your city needs to approve an accessory dwelling unit. In Marana, that work most often supports master-planned residential, aerospace & hangars and distribution & logistics. Every set is designed and sealed by licensed PEs — Torch is a veteran-owned firm backed by Apex Grid Engineering, licensed in 49 states with 10+ PEs — with permit-ready drawings turned around in days, not months, at the best price. Call (480) 490-0064.

ADU Design in Marana, Arizona — Torch Engineering delivers it fast: Accessory dwelling unit plans — from concept to permit. Every set is designed and sealed by licensed PEs backed by Apex Grid Engineering (49 states, 10+ PEs). Start yours: call (480) 490-0064 or email info@torchengineering.com.

Get a Quote

Best price · Quotes back fast · PE stamps backed by Apex Grid Engineering

Marana anchors northwest Tucson's growth corridor along I-10, with master-planned communities like Dove Mountain, the Marana Regional Airport aerospace cluster, and distribution growth feeding the greater Tucson metro.

ADU plans, start to permit

Site plan, floor plans, elevations, structural design, and energy compliance — the complete drawing set your city needs to approve an accessory dwelling unit.

Designed for ADU rules

Many states now streamline ADU approvals with state-level rules on size, setbacks, and fees. We design to the current rules in your jurisdiction so nothing gets kicked back.

Fast and affordable

ADUs are small projects — they shouldn't carry big-firm fees or timelines. Lean process, best price, quotes back fast.

Project types

  • Master-planned residential
  • Aerospace & hangars
  • Distribution & logistics
  • Retail & medical offices
  • Hospitality

Everything else your project needs

MEP Engineering in Marana

Mechanical, electrical & plumbing design — permit-ready drawings, best price.

Structural Engineering in Marana

Structural design, analysis & PE stamping — permit-ready drawings, best price.

Civil Engineering in Marana

Site civil & land development — permit-ready drawings, best price.

Electrical Engineering in Marana

Power distribution, panels & lighting design — permit-ready drawings, best price.

Plumbing Engineering in Marana

Water, sewer, gas & fixture design — permit-ready drawings, best price.

HVAC Engineering in Marana

Heating, cooling, ventilation & ductwork — permit-ready drawings, best price.

PE Stamping in Marana

Licensed PE stamps on your plans — fast turnaround, best price.

Structural Stamping in Marana

Licensed PE stamps on structural plans & calculations — fast turnaround, best price.

MEP Stamping in Marana

Licensed PE stamps on MEP plan sets — fast turnaround, best price.

Civil Stamping in Marana

Licensed PE stamps on civil & site plans — fast turnaround, best price.

Fire Protection Engineering in Marana

Fire sprinkler, alarm & suppression design — permit-ready drawings, best price.

Plan Check Corrections in Marana

Plan check comments answered fast — resubmittal-ready corrections, best price.

Energy Modeling & Compliance in Marana

Title 24, COMcheck & ASHRAE 90.1 compliance — pass plan check, best price.

Tenant Improvement Engineering in Marana

TI engineering for office, retail & restaurant buildouts — permit-ready, best price.

Low Voltage Engineering in Marana

Fire alarm, data, security & AV design — permit-ready drawings, best price.

Seismic Retrofit Engineering in Marana

Earthquake retrofit design & PE-stamped plans — best price.

Solar Engineering in Marana

PV structural analysis, NEC 690 electrical design & interconnection — permit-ready drawings, best price.

Fire Alarm Engineering in Marana

NFPA 72 fire alarm design, voice evacuation & mass notification — permit-ready drawings, best price.

Security System Engineering in Marana

Access control, video surveillance & intrusion detection design — permit-ready drawings, best price.

Building Automation Engineering in Marana

BACnet controls, BMS design & smart building integration — permit-ready drawings, best price.

Elevator Engineering in Marana

ASME A17.1 elevator design, modernization & code compliance — permit-ready drawings, best price.

Industrial Electrical Engineering in Marana

NEC Article 430 industrial power design, arc flash & hazardous locations — permit-ready drawings, best price.

Plumbing Design Engineering in Marana

IPC/UPC plumbing design, medical gas & backflow engineering — permit-ready drawings, best price.

HVAC Retrofit Engineering in Marana

HVAC retrofits, electrification & decarbonization design — PE-stamped mechanical plans, best price.

Electrical Panel Upgrade Engineering in Marana

Panel upgrades, load calculations & utility coordination — permit-ready drawings, best price.

Emergency Power Engineering in Marana

Generators, NFPA 110 systems & life-safety power design — permit-ready drawings, best price.

Renewable Energy Engineering in Marana

Wind, geothermal & hybrid renewable engineering — feasibility, PE-stamped design & interconnection, best price.

Energy Audit Engineering in Marana

ASHRAE Level 1/2/3 energy audits, benchmarking & retro-commissioning — find the waste, prove the savings, best price.

EV Charging Engineering in Marana

EV charging station design — NEC 625, load calculations & service upgrades, permit-ready drawings, best price.

Water Treatment Engineering in Marana

Filtration, disinfection, reverse osmosis & backflow design — permit-ready water engineering, best price.

Battery Storage Engineering in Marana

Battery storage design per NEC 706 & NFPA 855 — permit-ready drawings, best price.

Commissioning Engineering in Marana

Building commissioning & functional testing — systems verified to work as designed, best price.

Data Center Engineering in Marana

Mission-critical MEP for data centers — Tier III/IV electrical, cooling & fire protection, best price.

Generator Engineering in Marana

Standby generator sizing, ATS & emergency power design — permit-ready drawings, best price.

Lighting Design Engineering in Marana

Photometric lighting design, controls & code compliance — permit-ready drawings, best price.

Medical Facility Engineering in Marana

Medical gas, exam-room HVAC & healthcare electrical design — permit-ready drawings, best price.

Commercial Kitchen Engineering in Marana

Commercial kitchen hoods, grease exhaust, gas & interceptors — permit-ready drawings, best price.

Pool Engineering in Marana

Pool structural, systems & permits — engineered for plan check approval.

Engineering Cost Guide in Marana

Straight answers on what engineering really costs.

Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.