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Business Details
43 Years
experience
Your Trusted Architectural Partner in Tustin, CA
Established in 1983, Rengel + Company Architects + Company Architects has built a reputation for delivering comprehensive architectural solutions across California and nationwide. Our expertise spans commercial and industrial architecture, with specialized focus areas including office spaces, retail establishments, financial institutions, recreational facilities, and historical restoration projects. We prioritize integrating aesthetic design with practical and financial considerations, ensuring each project maximizes facility efficiency while maintaining fiscal responsibility. Our team's deep understanding of disability access compliance and historical preservation standards positions us to address complex regulatory requirements with precision. Led by Principal Richard Rengel + Company Architects + Company Architects, whose dual expertise in architecture and business administration from California Polytechnic State University informs our client-centric approach, we combine technical excellence with strategic insight.

Our credentialsincluding California Architect License #C14199, NCARB Certification, and ICC Access Inspection qualificationsdemonstrate our commitment to industry-leading standards. Through construction management services under California Contractor License #480056, we maintain rigorous control over project timelines, budgets, and quality assurance. Our collaborative methodology emphasizes transparent communication, proactive problem-solving, and value engineering to deliver projects that consistently exceed client expectations. With decades of experience in public and private sector projects, we have developed tailored processes for entitlement procurement, as-built documentation, and sustainable design practices. This combination of technical proficiency, regulatory expertise, and client-focused service delivery has established us as a trusted partner for transforming architectural concepts into successful built environments.
Services
Commercial Architecture Historical Restoration ADA Compliance Construction Management Space Planning Retail Architecture Senior Living Design Financial Architecture Recreational Facilities Disability Access Consulting
Details
  • Year established: 1983
Highlights and features
  • We deliver projects on time and within budget through proven processes
  • Our team holds specialized credentials in historical restoration and ADA compliance
  • We offer full-service construction management under California Contractor License #480056
  • Our principal combines architecture and business administration expertise
  • We maintain NCARB certification for national project capabilities
Associations and certifications
  • American Institute of Architects
  • NCARB
  • ICC
  • US Green Building Council
What people say
On-time delivery Budget adherence Regulatory expertise Historical preservation Professional team
Services
Commercial Architecture
We design functional commercial spaces for offices, retail establishments, and financial institutions. Our approach balances aesthetic appeal with operational efficiency while ensuring compliance with regulatory standards. Our expertise includes space planning, material selection, and integration of sustainable design elements.
Historical Restoration
Specialized preservation of historic buildings maintains architectural integrity while meeting modern requirements. Our team conducts thorough material analysis, obtains necessary permits, and implements restoration techniques that respect original construction methods while ensuring structural safety and code compliance.
ADA Compliance
We provide comprehensive disability access consulting for new and existing facilities. Our services include accessibility audits, remediation planning, and implementation of ADA-compliant features such as ramps, signage, and restroom facilities while maintaining design cohesion.
Construction Management
Licensed under California Contractor License #480056, we manage all construction phases from permitting to completion. Our services include budget control, quality assurance, contractor coordination, and implementation of value engineering solutions to optimize project outcomes.
Space Planning
We optimize interior environments for functionality and efficiency through detailed space programming and furniture specification. Our 3D modeling capabilities enable clients to visualize layouts while ensuring compliance with building codes and accessibility standards.
People
Richard Rengel
Principal
Principal architect with dual degrees in architecture and business administration from Cal Poly. Holds California Architect License #C14199, NCARB Certification, and ICC Access Inspection credentials. Combines technical expertise with business strategy to lead successful project delivery.
Questions
What architectural services do you specialize in?
We specialize in commercial and industrial architecture, historical restoration, ADA compliance, and construction management for projects across California and nationally.
How do you ensure project timelines and budgets are met?
Through our licensed construction management services and value engineering approach, we maintain strict control over schedules and costs while delivering quality results.
Are you qualified for historical building restoration?
Yes, our team has specialized expertise in historical rehabilitation, including material analysis, permit acquisition, and code-compliant preservation techniques.
Do you handle accessibility compliance projects?
We provide comprehensive ADA consulting services, including accessibility audits, remediation planning, and implementation of compliant features for existing and new buildings.
What credentials do your architects hold?
Our principal holds California Architect License #C14199, NCARB Certification, and ICC Access Inspection qualifications, ensuring industry-standard compliance.
Can you manage projects outside California?
While based in California, our NCARB-certified team works on architectural projects nationwide through proper licensing reciprocity arrangements.