"Owners, Developers & A/E firms" want to work with.

Let our firm bring added value to your team...

technical architectural services for more
than $7 billion in construction projects.

Thomas Berger, Managing Principal



NEW L.A. Office

DTR Los Angeles Office


DTR Consulting Services, the "Building Science Guys", have opened a new Los Angeles Area Office, just north of the downtown area, to better serve our Clients in the L.A. metropolitan area. This office is in addition to the current Orange County office in Irvine and two other northern California offices. This new office location allows for the continued expansion of DTR and also serves as a central location to service our clients in a more efficient manner.

Overseeing this new office is the Office Leader | Senior Building Envelope Architect, Kirk O'Brien, AIA, RCI, NCARB. Kirk brings with him a long history of experience and connection to the local community. DTR Consulting Services continues to work with Building Owners, Developers and Architectural/Engineering Clients in the Los Angeles, Orange County and San Diego Area since early 2003. This move allows DTR to build upon our current client base and to expand our Firm to better serve our current and future A/E Clients.

DTR will also be recruiting the best new technical staff, the area has available. He will be in charge mentoring new staff members into the existing DTR Culture and provide guidance for both experienced and junior members in the DTR approach to serving our Architectural Clients. DTR will be looking to hire both Building Envelope Consultants specialized in Building Science, Technical Architects, Specifiers and Field Quality Control Staff.

Golden Gate Bridge photo

Please help us Celebrate this new DTR Office Location…


Updated: Sept 2017

Industry News:

4 specs


Dynaflair Corporation - name change to Security Closures
Irwin Telescopic Seating Company - merged into Irwin Seating Co.
Compudyne - changed company name to Norment Security Group, had previously combined Norshield Security Products
Dynamic Lighting - name change to Amerlux Exterior
Alcan Composites USA - name change to 3A Composites USA
Oldcastle Glass is now Oldcastle BuildingEnvelope

Updated: January 03, 2011

Professional Events:

Conferences & Seminars

Contractor-Architect image

Green California Summit & Exposition- Sacramento, CA
April 19 - 20, 2011

AIA National Convention - New Orleans
May 12 - 14, 2011

CSI Construct 2011 - Chicago, IL
September 13 - 16, 2011

Cal Green Seminars - California
January thru April 2011

Updated: January 16, 2011

Join our Team...

If you want to be on the solutions side of Architecture/Engineering, love learning and want to work with a great team of people in a dynamic and fun Architectural/Engineering environment, then this position is might be perfect for you. We are seeking individuals who are looking to advance their professional careers and work with some of the most exciting design teams in the country. You will learn more in this job in one year than you would in seven or more years somewhere else...

Career Sign




Posted: November 30, 2017

The Sacramento Area (Roseville) Office and San Francisco North Bay (Santa Rosa) Office of DTR Consulting Services, Inc. (DTR) are seeking "up and coming" technical minded Job Captain/Project Coordinators.  Someone who enjoys working on both exciting and challenging projects, with an interest in expanding their career using existing knowledge as it pertains to building enclosure construction. This position will include working with senior staff to accurately preparing project construction details including development of technical specifications.  Learn how building science is enhancing Architecture.  A qualified candidate has seven or more years of relevant work experience including solid ACAD & Revit drawing skills from inception to completion.



Posted: December 01, 2017

The Los Angeles Office of DTR Consulting Services, Inc. (DTR) is looking for Technically Oriented Architect or Architectural Engineer candidates with strong interests in building science and building enclosure construction to serve as a team member and assist with all aspects of project work under the direction of various project managers.  DTR is a growing regional firm of engineers, architects, and building science specialists that focus on good sound design, sustainability of new projects as well as in solving and remediating problems with existing structures. A qualified candidate has eight or more years of relevant work experience including leading project teams from inception to completion


Posted: December 03, 2017

The San Francisco North Bay Office of DTR Consulting Services, Inc. (DTR) is seeking extraordinary candidates for an entry-level Associate Architect or Architectural Engineer with competency and/or strong interest in building enclosures to serve as a team member and assist with all aspects of project work under the direction of various project managers.



Posted: November 10, 2017

The Los Angeles Office of DTR Consulting Services, Inc. (DTR) is seeking a building enclosure field technician to conduct site observations and assist in investigations of building envelope components including: below grade waterproofing, roofing, masonry, flashings, EIFS/plaster, deck waterproofing/coatings, rain screens, tank liners, weather vapor barriers and window framing assemblies for medium-to-large scale residential, institutional and commercial projects.  Applicant must have the ability to clearly understand construction drawings and specifications, and document field observations in written field reports.  Individual must have a good driving record and a reliable personal vehicle and willing to travel. DTR will provide initial training in our methods of operation, but candidates must have solid demonstrated knowledge of building construction and prior field experience with a similar consulting firm.

If your career has not focused on architecture, engineering or building envelope evaluations, please do not apply; you will not be considered.



Posted: December 01, 2017

The Sacramento Area (Roseville) Office of DTR Consulting Services, Inc. (DTR) are seeking a junior architectural specification writer who loves learning and has good social skills.  This person may be a current architect or support person currently working in an architectural firm assisting in the development of project specifications.  DTR is one of the largest construction specifications writing firms in the US.  This position will include working with senior specifiers and building envelope architects to develop technical specifications, accurately prepare project manuals and work with client designers, assisting with product selections.  Person will also oversee DTR’s technical libraries in multiple offices..


Posted: December 05, 2017

DTR Consulting Services, Inc. (DTR) is seeking candidates who are current students for summer internship opportunities for 2018.  Looking for students that will be in their senior year of a Bachelor's or are in between years of a master’s program in schools of Architecture or Engineering (Civil and Environmental), Building Engineering (Science), and Building Construction and Technology. Must have at least a 3.2 out of 4.0 overall GPA.   DTR utilizes building science in developing solid architectural solutions for new construction and reconstruction/remediation projects throughout the U.S and Internationally.  Offices in the

West Region are: Los Angeles, San Francisco North Bay (Santa Rosa) and Sacramento Area (Roseville) Offices.


For positions not listed above, please send your Cover Letter & Resume including Work History to our Human Resource Department at hr@dtrcs.com

We offer opportunities to work on interesting projects located throughout the US and Internationally. Our staff is committed to providing our clients with both technical support and sustainable solutions for their project designs for new construction, remediation projects, and forensics investigations.

We are always looking for the right people. Those that like to work hard, play hard all while workink on many amazing projects.

Employee Benefits

DTR Consulting Services (DTR) offers industry leading compensation and incentives as well as a comprehensive package of employee benefits.

DTR offices are located in the most interesting and sought after cities throughout California. Locations such as Santa Rosa (wine country), Roseville (base of the Sierra Mountains) and Irvine (warm sandy beaches).  Each of our Office are located to maximize the quality of life for our employees.  In seeking new ways to reward our employees, DTR is also very family friendly routinely closes the offices  for the day as a Staff Appreciation adventurous event. 

Professional Development

  • Professional Development Assistance
  • Professional Organization Membership Assistance
  • Tuition/Education Assistance
  • Internal Mentorship
  • Upward Mobility/Promotions
  • Licensure & Certification Encouragement incl. Financial Incentives

Health & Welfare

  • Health Care Insurance (choice of multiple PPO's & HMO Plans)
  • Dental Insurance
  • Voluntary Vision Plan
  • Voluntary Life and Long Term Disability Insurance Options
  • Health Care Flexible Spending Account
  • Pregnancy Disability Leave

Paid Time Off

  • Paid Office Holidays, including floating holiday
  • Vacation Time (PTO)
  • Sick Time (PTO)
  • Personal Time Off (PTO)
  • Staff Appreciation Days
  • Jury Duty
  • Bereavement Leave

Financial Benefits

  • Retirement 401k Program w/ Matching Funds
  • Performance-based bonuses
  • Profit Sharing Program
  • Free Parking
  • Free Direct Desposit
  • Identity Theft/Fraud Protection, voluntary
  • Travel /Mileage Reimbursement
  • Employee Referral Bonuses


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Our Mission Statement

To provide our clients with unsurpassed technical services through a thorough understanding of our client's expectations, project needs, deliverables, budgets and the owner's project requirements. Offer services in a manner to instill trust and to allow our clients to be more efficient and profitable. Utilize our knowledge and experience to bolster our client's presentations and construction documents to increase their firm's value in the eyes of their clients and to limit all parties exposure to potential claims. Promote in-house professional development for all staff and encourage ongoing educational activities, which support our Mission Statement




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