ADU Design in South Portland, ME
South Portland is Portland's major commercial and retail suburb, with shopping center development, healthcare facility, and industrial park engineering comprising the primary local project types.
49 states · 10+ PEs · Same-day quotes on qualifying scopes · Zero excuses
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
- Commercial office & retail
- Healthcare & medical facilities
- Institutional & civic
- Hospital & surgical center expansion
- Medical office buildings
Everything else your project needs
MEP Engineering in South Portland
Mechanical, electrical & plumbing design — permit-ready drawings, best price.
Structural Engineering in South Portland
Structural design, analysis & PE stamping — permit-ready drawings, best price.
Civil Engineering in South Portland
Site civil & land development — permit-ready drawings, best price.
Electrical Engineering in South Portland
Power distribution, panels & lighting design — permit-ready drawings, best price.
Plumbing Engineering in South Portland
Water, sewer, gas & fixture design — permit-ready drawings, best price.
HVAC Engineering in South Portland
Heating, cooling, ventilation & ductwork — permit-ready drawings, best price.
PE Stamping in South Portland
Licensed PE stamps on your plans — fast turnaround, best price.
Structural Stamping in South Portland
Licensed PE stamps on structural plans & calculations — fast turnaround, best price.
MEP Stamping in South Portland
Licensed PE stamps on MEP plan sets — fast turnaround, best price.
Civil Stamping in South Portland
Licensed PE stamps on civil & site plans — fast turnaround, best price.
Fire Protection Engineering in South Portland
Fire sprinkler, alarm & suppression design — permit-ready drawings, best price.
Plan Check Corrections in South Portland
Plan check comments answered fast — resubmittal-ready corrections, best price.
Energy Modeling & Compliance in South Portland
Title 24, COMcheck & ASHRAE 90.1 compliance — pass plan check, best price.
Tenant Improvement Engineering in South Portland
TI engineering for office, retail & restaurant buildouts — permit-ready, best price.
Low Voltage Engineering in South Portland
Fire alarm, data, security & AV design — permit-ready drawings, best price.
Seismic Retrofit Engineering in South Portland
Earthquake retrofit design & PE-stamped plans — best price.
Solar Engineering in South Portland
PV structural analysis, NEC 690 electrical design & interconnection — permit-ready drawings, best price.
Fire Alarm Engineering in South Portland
NFPA 72 fire alarm design, voice evacuation & mass notification — permit-ready drawings, best price.
Security System Engineering in South Portland
Access control, video surveillance & intrusion detection design — permit-ready drawings, best price.
Building Automation Engineering in South Portland
BACnet controls, BMS design & smart building integration — permit-ready drawings, best price.
Elevator Engineering in South Portland
ASME A17.1 elevator design, modernization & code compliance — permit-ready drawings, best price.
Industrial Electrical Engineering in South Portland
NEC Article 430 industrial power design, arc flash & hazardous locations — permit-ready drawings, best price.
Plumbing Design Engineering in South Portland
IPC/UPC plumbing design, medical gas & backflow engineering — permit-ready drawings, best price.
HVAC Retrofit Engineering in South Portland
HVAC retrofits, electrification & decarbonization design — PE-stamped mechanical plans, best price.
Electrical Panel Upgrade Engineering in South Portland
Panel upgrades, load calculations & utility coordination — permit-ready drawings, best price.
Emergency Power Engineering in South Portland
Generators, NFPA 110 systems & life-safety power design — permit-ready drawings, best price.
Renewable Energy Engineering in South Portland
Wind, geothermal & hybrid renewable engineering — feasibility, PE-stamped design & interconnection, best price.
Energy Audit Engineering in South Portland
ASHRAE Level 1/2/3 energy audits, benchmarking & retro-commissioning — find the waste, prove the savings, best price.
EV Charging Engineering in South Portland
EV charging station design — NEC 625, load calculations & service upgrades, permit-ready drawings, best price.
Water Treatment Engineering in South Portland
Filtration, disinfection, reverse osmosis & backflow design — permit-ready water engineering, best price.
Battery Storage Engineering in South Portland
Battery storage design per NEC 706 & NFPA 855 — permit-ready drawings, best price.
Commissioning Engineering in South Portland
Building commissioning & functional testing — systems verified to work as designed, best price.
Data Center Engineering in South Portland
Mission-critical MEP for data centers — Tier III/IV electrical, cooling & fire protection, best price.
Generator Engineering in South Portland
Standby generator sizing, ATS & emergency power design — permit-ready drawings, best price.
Lighting Design Engineering in South Portland
Photometric lighting design, controls & code compliance — permit-ready drawings, best price.
Medical Facility Engineering in South Portland
Medical gas, exam-room HVAC & healthcare electrical design — permit-ready drawings, best price.
Commercial Kitchen Engineering in South Portland
Commercial kitchen hoods, grease exhaust, gas & interceptors — permit-ready drawings, best price.
Pool Engineering in South Portland
Pool structural, systems & permits — engineered for plan check approval.
Engineering Cost Guide in South Portland
Straight answers on what engineering really costs.