Call Now
Website
Call
Business Details
17 Years
experience
Building Envelope Architecture & Consulting Services
Neumann Sloat Arnold Architects Inc. was founded in 2009 by Brian Neumann and Austin Sloat, with Steve Arnold joining as a principal in 2015. Our firm specializes in building envelope consulting for new construction, restoration, repair projects, and construction litigation support. We combine decades of collective experience with ongoing collaboration with manufacturers to specify cutting-edge waterproofing technology. Our team of architects and contractors conducts thorough investigations to identify root causes of building envelope failures and develops sustainable, long-term solutions. We maintain active memberships in professional organizations such as the American Institute of Architects, National Institute of Building Sciences, and International Concrete Repair Institute. Our principals have held leadership roles in industry groups like the Roofing Contractors Industry and the American Concrete Institute.

We serve clients across California, Oregon, and Hawaii, where we are licensed to practice. Our commitment to technical excellence ensures that structural steel remains corrosion-free, wood framing resists rot, and finish work stays intact through precise building envelope design. We provide comprehensive services from pre-construction assessments to on-site construction administration. Our litigation support services help clients resolve disputes through detailed investigations and expert testimony. By focusing exclusively on building envelope systems, we deliver specialized expertise that addresses complex challenges in diverse construction environments.
Services
New Construction Repairs & Remediation Quality Assurance Testing Litigation Support
Details
  • Year established: 2009
Highlights and features
  • We specialize in building envelope consulting for new construction and restoration projects
  • Our team includes licensed architects with decades of combined industry experience
  • We provide litigation support with expert testimony and remediation planning
  • Active members in leading professional organizations like AIA and ICRI
  • Licensed to serve projects across California, Oregon, and Hawaii
Services
New Construction
We develop building envelopes for challenging conditions and innovative designs. Our team collaborates with architects and contractors to ensure technical feasibility while maintaining design integrity. Services include pre-construction assessments, system recommendations, and technical specification writing.
Repairs & Remediation
We identify critical failure points and design effective repair solutions. Our process includes historical document review, condition investigations, destructive testing, and construction document development. We specialize in historic restorations, leak repairs, and mold remediation for long-term structural protection.
Quality Assurance Testing
We conduct calibrated storm simulations and differential pressure tests to identify leaks before occupancy. Our testing services include pre-purchase due diligence, on-site evaluations, and manufacturer specification reviews to ensure water-tight installations meet industry standards.
Litigation Support
We provide expert investigation and documentation for construction litigation. Services include condition reporting, drawing reviews, quality testing, and expert testimony to help clients resolve disputes with developers or contractors over building envelope failures.
People
Brian Neumann
Founding Principal & President
Brian Neumann co-founded NSA in 2009 and leads as President. With over 15 years of architectural experience, he specializes in building envelope systems and sustainable design solutions.
Austin Sloat
Founding Principal
Austin Sloat co-founded NSA in 2009. As a licensed architect, he brings expertise in technical building envelope design and construction administration for complex commercial projects.
Steve Arnold
Principal
Steve Arnold joined NSA as a principal in 2015. He contributes specialized knowledge in building enclosure commissioning and forensic analysis of envelope failures across diverse climates.
Amber Antracoli
Senior Project Manager
Amber Antracoli oversees project execution with 12 years of experience managing building envelope consulting projects from design through construction completion.
Mark Dietrich
Project Architect
Mark Dietrich provides architectural expertise for envelope design and restoration projects, focusing on technical detailing and code compliance for commercial structures.
Questions
What does Neumann Sloat Arnold Architects specialize in?
We specialize in building envelope consulting for new construction, restoration projects, and construction litigation support across California, Oregon, and Hawaii.
Do you offer building envelope testing services?
Yes, we conduct calibrated storm simulations and differential pressure tests to identify leaks before occupancy using ASTM standards for window and door systems.
Can you assist with construction litigation cases?
We provide expert investigation, documentation, and testimony services to resolve disputes over building envelope failures and construction quality issues.
What types of repair projects do you handle?
We address leaks, mold remediation, masonry failures, and historic restorations through comprehensive investigation and customized repair solutions.
Are your architects licensed in multiple states?
Our firm is licensed to practice architecture in California, Oregon, and Hawaii for building envelope projects.