Business Details
50+ Years
experience
Your Trusted Engineering and Architecture Partner in Houston
Founded in 1975 by Maher F. Qaddumi, Interfield has established itself as a leading multi-disciplinary engineering and architecture firm headquartered in Houston, Texas. Our expertise spans platting, civil engineering, architectural design, project management, and construction oversight, serving clients across Texas. With dedicated teams led by industry professionals like Mary Villareal and Dean Krienitz, we deliver comprehensive solutions for commercial and residential developments. Our integrated approach ensures seamless collaboration between in-house engineers, architects, and project managers to address design, budget, and permitting challenges. We maintain strong relationships with registered land surveyors and act as a single point of contact throughout every project phase.Our construction management team represents owners in coordinating contractors, engineers, and lenders during post-permitting stages. Decades of experience in Houston, San Antonio, Austin, and surrounding counties have solidified our reputation for technical excellence and client-focused service. We specialize in transforming client visions into reality through customized options for gas stations, medical offices, warehouses, and distribution facilities. Our commitment to innovation and quality has sustained our statewide reach since the firm's inception.
Services
Platting
Engineering
Architecture
Project Management
Construction Management
Details
- Year established: 1975
Highlights and features
- We have over 50 years of combined experience in Texas engineering and architecture
- Our integrated teams provide single-point accountability for all project phases
- We maintain deep expertise in Houston, San Antonio, and Austin regulatory environments
- Our construction management team acts as owner's representative during build phases
- We offer in-house coordination between engineering, architecture, and platting specialists
Services
Platting
Our platting team handles lot divisions, street layouts, and utility planning for residential and commercial developments. We manage variance requests, annexations, and public hearings while collaborating with registered land surveyors. Our services cover both small-scale adjustments and large-area re-platting projects across Texas.
Engineering
Led by licensed Texas engineers, our team provides civil, structural, mechanical, plumbing, and electrical engineering solutions. We coordinate with architects and external consultants to ensure code compliance and technical accuracy throughout design and permitting processes for diverse project types.
Architecture
Our AIA-licensed architects transform client visions into functional designs for gas stations, medical offices, warehouses, and distribution centers. The team offers multiple design options while collaborating with engineers to ensure structural and regulatory compliance for commercial developments.
Project Management
We provide end-to-end project management integrating platting, engineering, and construction teams. Our specialists address budget constraints, resolve design challenges, and coordinate permitting processes to maintain project timelines and regulatory compliance across Texas jurisdictions.
Construction Management
Our construction team acts as owner representatives during post-permitting phases, managing contractor communications, contract reviews, and inspection processes. We handle documentation including RFIs, submittals, and payment requests to ensure quality control and budget adherence.
People
Maher F. Qaddumi
Principal and Owner
Founder of Interfield since 1975, Mike Qaddumi is a licensed Professional Engineer overseeing engineering operations and firm strategy with five decades of Texas development expertise.
Mary Villareal
Vice President of Platting & Planning
Leading the platting team, Mary specializes in Houston, San Antonio, and Austin regulatory requirements with extensive experience in lot divisions, annexations, and public hearings.
Dean Krienitz
Vice President of Operations
Dean manages construction operations, representing owners in coordinating contractors and lenders during post-permitting phases with expertise in commercial project execution.
Questions
What services does Interfield offer?
We provide platting, engineering, architecture, project management, and construction management services for commercial and residential developments across Texas.
How long has Interfield been in business?
Our firm has operated continuously since 1975, delivering engineering and architecture solutions to Texas clients for over four decades.
Which areas does Interfield serve?
While based in Houston, we handle projects throughout Texas including San Antonio, Austin, Sugarland, and surrounding counties.
What makes Interfield different from other firms?
Our integrated approach combines engineering, architecture, and construction management under one roof with a single point of contact.
Who leads Interfield's teams?
Founder Mike Qaddumi oversees engineering, Mary Villareal leads platting, and Dean Krienitz manages construction operations with specialized teams.
