Business Details
23 Years
experience
Your Trusted Architectural Partner in Wisconsin
Abacus Architects has been shaping meaningful spaces through relational architecture since 2003. Our approach prioritizes human connection and community impact, combining technical expertise with deep understanding of client visions. With offices in Sheboygan, Manitowoc, and Milwaukee, Wisconsin, we deliver full-service architectural, interior design, and civil engineering solutions across residential, commercial, healthcare, and civic sectors. Our team of 36 professionals utilizes advanced 3D modeling technology to create functional, sustainable designs that enrich lives.Backed by LEED accreditation and specialized expertise in environmental gerontology, we maintain rigorous quality control standards while fostering collaborative relationships with clients and contractors. Over 22 years, we've completed 3,450 projects totaling 8.5 million square feet, demonstrating our commitment to enhancing communities through thoughtful design.
Services
Architecture
Civil Engineering
Interior Design
3D Modeling
Construction Administration
Details
- Year established: 2003
Highlights and features
- Specialized expertise across residential, healthcare, and civic building types
- Dedicated project manager provides single point of contact for continuity
- Advanced 3D modeling technology for design visualization and conflict resolution
- Rigorous quality control system ensuring code compliance and constructibility
- LEED Accredited Professionals guiding sustainable design solutions
Associations and certifications
- LEED AP
What people say
Professional, thorough, thoughtful
Forward thinking, creative team
Modern home construction experts
Historic restoration specialists
Strong community focus
Services
Architecture
Our architectural services combine technical expertise with relational design principles to create functional, sustainable spaces. We specialize in master planning, schematic design, and construction administration for residential, commercial, and civic projects. Our team utilizes advanced 3D modeling to visualize solutions and resolve potential conflicts before construction begins.
Civil Engineering
Comprehensive civil engineering solutions include site planning, stormwater management, and utility design. Our in-house engineers conduct detailed site analyses to address topographical and environmental challenges while ensuring regulatory compliance. We provide complete land development services from initial permitting through construction support.
Interior Design
Our interior design team creates cohesive, functional spaces that complement architectural elements. Services include material selection, product research, and 3D renderings for realistic visualizations. We focus on sustainable design solutions that enhance user experience while maintaining alignment with overall project goals.
3D Modeling
Advanced 3D modeling services enable virtual project walkthroughs and design validation. This technology supports early conflict detection, cost-effective modifications, and improved client communication. Our BIM capabilities enhance coordination across all project phases from concept development to construction administration.
Construction Administration
We provide comprehensive construction administration services including site visits, contractor coordination, and quality control checks. Our dedicated project managers maintain continuous oversight throughout construction, ensuring adherence to design specifications and addressing field issues promptly to maintain project timelines and budgets.
People
Eric Halbur
Chief Executive Officer
With 18 years of architectural experience, Eric leads strategic direction while maintaining Revit certification and design expertise. He oversees project execution across all office locations.
Paul Mentink
Chief Operating Officer
As COO and registered architect in six states, Paul manages day-to-day operations and maintains NCARB certification. He brings extensive experience in multi-jurisdictional project coordination.
Joel VanEss
Chief Financial Officer
Licensed Professional Engineer Joel oversees financial operations with 25 years of engineering and architectural project management experience across multiple states.
David Van Dixhorn
Chief Development Officer
With master's level leadership education, David drives business development initiatives and strategic growth while maintaining principal-level involvement in key projects.
Robert Heimerl
Design Architect
Registered Wisconsin architect and AIA member Bob leads design efforts with 37 years of experience creating award-winning architectural solutions for diverse project types.
Questions
What architectural services do you offer?
We provide full-service architecture including master planning, schematic design, 3D modeling, construction documentation, and administration for residential, commercial, and civic projects.
Do you work outside Wisconsin?
While based in Wisconsin, our LEED-certified team has completed projects across multiple states through coordinated permitting and regulatory compliance strategies.
How does your 3D modeling benefit projects?
Our BIM technology enables virtual walkthroughs, early conflict detection, and cost-effective design modifications before construction begins, improving project outcomes.
What construction management services do you provide?
We offer comprehensive construction administration with site visits, contractor coordination, quality control checks, and issue resolution throughout the building process.
How do you handle multi-location projects?
With offices in three Wisconsin cities, we provide consistent service across regions while maintaining local knowledge and regulatory expertise for each location.
What sustainability expertise do you offer?
Our LEED Accredited Professionals integrate environmentally conscious design solutions and energy-efficient systems into all project phases, from initial concept through completion.