Hello, World!
Your partner in multifamily & commercial green building certification
Oxalis helps developers, builders, owners, and architects understand the requirements, catch problems early, and complete certification with in-person inspections and direct access to the owners.
500+
completed certifications
In person
field inspections
Owner-led
on every project
Better buildings create better lives.
Oxalis provides green building certification services for multifamily and commercial projects. We review plans, explain requirements, coordinate inspections and testing, and document performance so your team can address problems before they become delays or expensive corrections.
Who we work with and the Services we provide
Developers & owners
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Program strategy, risk review, and a clear path to certification.
Builders & contractors
2
Practical field guidance that helps your team catch problems early.
Architects & engineers
3
Early plan review and direct answers on technical requirements.
Public sector partners
4
Reliable documentation and verification for funded programs.
Certification, testing, and advisory support.
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Program selection, documentation, inspections, and final certification support across NGBS, ENERGY STAR, EarthCraft, and LEED.
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Field testing, energy calculations, code support, HERS ratings, and blower-door or duct-leakage verification.
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Sustainability consulting, grant research, and practical guidance that keeps project teams moving.
Three questions. A practical place to start.
Use the standalone Path Finder to compare programs by project type, location, and stage. An Oxalis advisor will confirm the right fit after reviewing the project.
Work with the owners from first conversation through certification
Nadia and Rebekah stay involved in strategy, field work, and documentation. They help solve problems and give your team clear answers, with direct responsibility for the work.
See some of our building certification projects
Restore Louisiana
Green building certification and field verification for storm-recovery housing across Louisiana.
Rebuild Florida
Resilient housing recovery with on-site verification and certification support across Florida.
CREDENTIALS + PARTNERS
Programs we know. Standards we work in.
Certification expertise and recognized partnerships that support better buildings from planning through final verification.
Florida Green Building Coalition Member
ENERGY STAR Partner
SBA Economically Disadvantaged Woman-Owned Small Business
Virginia SWaM Certified
New Jersey Clean Energy Program Partner
LEED Accredited Professional Homes
Building Performance Institute
DOE Zero Energy Ready Home
EPA Indoor airPLUS
International Code Council
EPA WaterSense Partner
NGBS Green and Home Innovation
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Green building certification common questions
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A consultant helps the project team select and document the right program, review plans, coordinate inspections and testing, identify issues early, and assemble the evidence required for certification.
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Ideally during early design, while requirements can still shape decisions. Oxalis also joins projects mid-construction to organize documentation, inspections, and testing.
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NGBS, ENERGY STAR, EarthCraft, LEED, Indoor airPLUS, WaterSense, and DOE Zero Energy Ready Home, along with related code compliance and incentive programs.
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Yes. Nadia and Rebekah perform in-person field inspections and verification, and stay directly involved from the first conversation through certification.
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Across the DMV, New Jersey, and Florida, with services matched to local programs, incentives, and construction conditions.
Connect with us
Tell us what you’re building, where it is located, and which certification requirements you are working through.