Tross markTROSSBUILD & MAINTENANCE
Customer Portal

Complete Building Maintenance. One Trusted Team.

Hands-on expertise since 1980 across mechanical, electrical, plumbing, fire protection, janitorial, and building automation — backed by 40+ skilled technicians and 11 IUOE Local 701 stationary engineers.

Request a Consultation →

Tross Operating Engineers provides comprehensive building maintenance and facilities management services throughout the Portland metropolitan area. From courthouse complexes to commercial offices, our team keeps buildings performing at their best — safely, efficiently, and without interruption.

We don't just respond to problems. We prevent them. Our preventive and predictive maintenance programs, combined with deep experience across every building system, mean fewer emergencies, lower operating costs, and longer asset life for the properties we serve.

Tross engineer performing fire pump service in a Portland high-rise
Fire pump service
Tross engineer maintaining an emergency standby generator
Emergency generator maintenance
Tross engineer servicing a boiler and replacing an ignitor
Boiler service & repair

A few of the buildings we care for

Portland apartment community maintained by TrossPortland high-rise condominium tower maintained by TrossPortland condominium building maintained by TrossPortland commercial office building maintained by Tross

Our Capabilities

Mechanical & HVAC

We maintain heating, ventilation, air conditioning, and refrigeration systems to keep occupants comfortable and energy costs under control. Our team handles central utility plant interfaces, chilled and heated water distribution, air handling units, VAV systems, exhaust fans, and controls. We follow ASHRAE standards for indoor air quality and thermal comfort, and we manage legionella testing and water treatment programs to protect building health.

Covers
  • boilers
  • chillers
  • cooling towers
  • pumps
  • AHUs
  • RTUs
  • VRF/VRV systems
  • ductwork
  • building automation system (BAS)
  • refrigerant management
  • filter programs
  • belt and bearing maintenance
  • and seasonal commissioning
Electrical Systems

Our Limited Mechanical Electrical (LME) engineers maintain power distribution from the service entrance through every panel, breaker, and circuit in the building. We perform infrared scanning to catch hot spots before they become failures, maintain emergency and standby generators (including fuel management for multi-day runtime), manage lighting systems, and support renewable energy and EV charging infrastructure.

Covers
  • switchgear
  • transformers
  • panelboards
  • circuit breakers
  • lighting controls
  • emergency generators
  • UPS systems
  • automatic transfer switches
  • surge protection
  • EV charging stations
  • photovoltaic arrays
  • arc flash labeling
  • and electrical testing
Plumbing

From domestic water to sanitary and storm systems, our engineers keep water flowing where it should — and nowhere else. We manage backflow prevention and cross-connection control programs, maintain grease interceptors, and perform routine inspections of fixtures, valves, water heaters, and sump pumps.

Covers
  • domestic hot and cold water
  • sanitary waste and vent
  • storm drainage
  • backflow preventers
  • RPZ testing
  • grease traps
  • water heaters
  • mixing valves
  • sump and sewage ejector pumps
  • fixture repairs
  • and water conservation measures
Fire Protection

Life safety comes first. We maintain fire protection systems in compliance with NFPA 25, NFPA 72, and NFPA 110 standards, coordinating with local fire districts and authorities having jurisdiction. Our technicians perform inspections, testing, and maintenance on all fire suppression and detection systems.

Covers
  • fire sprinkler systems
  • fire alarm panels
  • smoke and heat detectors
  • manual pull stations
  • fire extinguishers
  • standpipe systems
  • fire pump testing
  • kitchen hood suppression
  • and coordination with fire district inspections
Building Envelope & Roofing

We protect your building from the outside in. Our team inspects and maintains roofing, exterior walls, windows, doors, sealants, and waterproofing systems. Portland weather demands proactive attention to moisture management — we deliver it with regular inspections and timely repairs.

Covers
  • roof inspections
  • minor gutter and drain clearing
  • window and door hardware
  • weather stripping
  • exterior wall maintenance
  • loading dock doors and equipment
  • and leak investigation
Interior & Exterior Day Porter Services

We keep every space — inside and out — clean, functional, and professionally maintained. Our teams handle interior finishes, elevator oversight, day porter services tailored to each area's cleanliness standard, and exterior grounds and snow/ice removal. All custodial work follows ISSA CIMS guidelines.

Covers
  • carpet and hard floor maintenance
  • ceiling tile replacement
  • wall repairs and painting
  • touch-up finishes
  • elevator service contract oversight
  • daily and periodic cleaning
  • restroom sanitation
  • trash and recycling collection
  • event setup/breakdown
  • green cleaning programs
  • parking lot sweeping
  • snow removal
  • ice treatment
  • and storm debris cleanup
Security & Access Systems

We support electronic security infrastructure including access control, video surveillance, intrusion detection, and life safety notification systems. Our technicians are trained and background-cleared for work in sensitive and restricted areas, including facilities requiring CJIS compliance.

Covers
  • access control hardware and software
  • CCTV cameras and NVRs
  • intrusion alarm panels
  • intercom and paging systems
  • duress alarms
  • and coordination with monitoring services
Help Desk & Emergency Response

Our help desk services are available 24/7/365. We dispatch technicians for urgent issues, log and track all service requests through our CMMS, and provide real-time status updates. For emergencies, we maintain written response plans covering severe weather, utility outages, fire, flood, seismic events, and security incidents.

Covers
  • 24/7 help desk
  • emergency dispatching
  • work order management
  • tenant/occupant communication
  • emergency preparedness planning
  • and after-hours response
Building Technology & Data

Modern buildings run on data. We integrate and manage computerized maintenance management systems (CMMS), building automation systems (BAS), and building information modeling (BIM) platforms to drive smarter maintenance decisions. We maintain complete asset inventories, track equipment condition and lifecycle costs, and use data to optimize preventive maintenance schedules and energy performance.

Covers
  • CMMS administration and reporting
  • BAS monitoring and alarm management
  • BIM coordination
  • asset inventory and condition assessment
  • utility metering and benchmarking
  • energy management
  • and recommissioning programs (typically every five years)

Why Tross

Prevailing Wage Compliant (ORS 279C.800-870)

Full public-works labor-standards compliance.

  • Since 1980 in Portland

    We know the buildings, the codes, and the climate. Our roots in the Portland metro area mean we understand what Oregon facilities need — from moisture management to seismic readiness.

  • 51 Skilled Professionals

    40+ maintenance technicians and 11 IUOE Local 701 stationary engineers — licensed, union-trained expertise on every property.

  • Licensed & Credentialed

    Oregon CCB #216068. LEED-certified professionals, OSHA 10/30-trained supervisors, Licensed Boiler/Machinery Engineer apprentices.

Commercial Trade Rates

effective 2025 — contact us for contract pricing on full-service agreements
TradeRate
Basic Maintenance$79/hr
Electrical$99/hr
Engineering$79/hr
HVAC$79/hr
Plumbing$79/hr
Journeyman Plumbing$109/hr
Janitorial$49/hr
Painting$89/hr
Snow Removal$89/hr
Project Management$99/hr

How We Work

  1. 1
    Assess

    walk the facility, review equipment, understand operational priorities.

  2. 2
    Plan

    preventive maintenance program tailored to systems, age, use patterns; clear schedules, responsibilities, performance metrics.

  3. 3
    Execute

    scheduled maintenance, service requests, vendor management — all tracked in CMMS.

  4. 4
    Report

    monthly reports on completed work, open items, equipment condition, energy performance, upcoming needs; regular operations meetings.

Tross Operating Engineers, LLC

Portland, Oregon
info@losamgmt.com
Oregon CCB #216068
Request a Consultation →