Visit us: 10615 Shadow Wood Dr Ste. 146, Houston, TX 77043
Allen W. Griffin Owner of Gryphon Builders
Allen W. Griffin GBM, CGR, CAPS, CGP Owner of Gryphon Builders

Residential Construction Expert Witness Services

Home Building - Home Remodeling - Home Design - Light Commercial - Multifamily


Allen is easily understandable, yet highly technical. He has the knowledge and know how to stand up to the claims of other experts. He can explain your side of the case in a precise and easy to comprehend manner that all parties can understand. 

Twenty years of writing contracts, designing buildings, construction & client management as a Master Builder has taught us many valuable lessons. Proud to say that in those twenty years of business we have not had any lawsuits against us.

Duty of Care, Construction Defects, Code Compliance, Contract Disputes, Cost Estimations, Repair Protocols, Construction Performance and Standards as well as Damage Causation.



Construction Expert Witness for Home Building & Home Remodeling, Design/Build

Allen W. Griffin is Founder and President of:

Griffin Interest LLC. DBA – Gryphon Builders – Founded in 1999

Gryphon Builders is a twenty-year-old company servicing the custom home building and high-end remodeling market in affluent areas of Houston. Working on homes built primarily in the 1960’s to the latest systems of today. We have completed many New home builds, Additions to older homes, Second floor addition and complete renovations of older home with and with out additions. We are proud to have designed and build the first Green Renovation with Additions in the Nation in 2009.  – Projects $100 - $650K Annual revenue $600k - $1.2M


Construction Expert Witness for Multi-Family Building, Maintenace and Services

Allen W. Griffin is Founder and President of:

GPS Interests LLC DBA- Gryphon Property Services – Founded in 2008

Gryphon Property services was formed to service the upkeep and long-term planning and maintenance needs of large townhome communities and apartment complexes. GPS serviced Memorial Drive Townhomes maintenance needs for four years and developed a ten-year maintenance plan for the community. The annual contract for MDTH was $450K. GPS is dormant now.

Viewpoint Designs Logo

Construction Expert Witness for Architectural Design Services

Allen W. Griffin is Founder and President of:

Griffin Interests LLC. DBA – Viewpoint Designs – Founded in 2002

Viewpoint Designs is the internal company that services the Design/Build segment of Gryphon Builders. In 2016 we started servicing builders and remodelers within our Houston market. Utilizing CAD software that produces not only your typical plans for permitting but, also 3D visual models of as built and new buildings. Color Photo Realistic pictures and modeling. Outside revenue $60K

Allen’s construction experience includes the basics of hands-on experience where in the late 80’s he started out as a framer and then worked for small custom builders in the northeast. There they hire a few craftsmen to do all of the work of building homes, unlike Houston’s trade-based system. This experience has been invaluable to Allen in directing others as a builder and business owner. When he moved to Houston, he did a short time as a production builder. Then he worked in outside sales for Bison Building materials for five years selling lumber, engineered building products, millwork, custom doors to production, custom and remodeling builders in the greater Houston area.

Most importantly, Allen is an effective communicator. He has spent twenty plus years selling large construction projects, writing construction contracts, specifications, estimating complicated residential buildings, remodeling projects & maintenance systems. Along with being actively involved in leading his industry.

A Construction Expert Witness with INDUSTRY LEADERSHIP

GMB - Graduate  Master Builder

CGR- Certified Graduate Remodeler

  • 2008 CGR of the year
  • 2012 CGR of the Month

CAPS - Certified Aging in Place Specialist

CGP -Certified Green Professional

  • First Green Renovation in the Nation




GHBA TAB Director 2008-2019

Remodelers Council Chair 2009-2019

Contracts committee

Government Relations Committee

Workforce Development

2002 -2014 8 Star Awards

Sunbelt Builders Show Presenter

TAB Director 2008-2019

Board of Directors 2008-2009

Education Committee/Chair 2005-2008

CBC Board of Directors 2010

RMC Board of directors 2005-2009

  • 2009 Remodeler of the Year

Workforce Development


Professional Remodeler Magazine, Qualified Remodeler Magazine , Houston Builder Magazine, Houston Business Journal, Custom Builder Guide, Texas Builder, Houston Remodeling Guide, Facets Magazine, Houston Chronicle, Houston Design Resource, Texas Home and Garden show Educator, SunBelt Builders Show Educator.

Houston Construction Litigation, Houston Construction expert witness

Houston construction dispute resolution, Houston construction defects.

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Texas construction dispute resolution, Texas construction defects.

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Gryphon Builders reviews, general contractor expert witness,


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