Code Accuracy

How we onboard codes and maintain accuracy over time

Our content team follows a systematic process to bring new jurisdictions into UpCodes and keep adopted codes accurate as they change. Because publication lifecycles vary by AHJ, our workflow is designed to stay current and auditable.

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How we onboard codes and maintain accuracy over timeHow we onboard codes and maintain accuracy over time
Built for change

Accuracy is a lifecycle, not a one-time import

Codes don’t arrive as a single “final” PDF. They move through drafts, errata, supplements, and local amendment cycles. Our process tracks those stages so adopted requirements remain consistent inside UpCodes.

Behind our code library

A unified library of codes, assemblies, and products

Maintaining adopted codes at scale isn’t just about collecting documents-it requires sustained effort, judgment, and verification. This is the work that keeps the UpCodes library usable in real projects, not just theoretically accurate.

Faster, smarter workflows
Dedicated research

Faster, smarter workflows

Code adoption research isn’t a side task at UpCodes-it’s a full-time focus. That depth of attention reduces missed updates and helps teams avoid last-minute changes that can disrupt design, review, or construction.
See the code in visual form
Change monitoring

See the code in visual form

We continuously track changes across multiple AHJ sources so updates don’t surface after they’ve already caused rework. This keeps projects aligned with what’s enforceable, even as jurisdictions update requirements mid-cycle.
Confidence in the details
Integrated review

Confidence in the details

Amendments, errata, and local modifications are reviewed, integrated, and checked for consistency before they reach users. That means teams spend less time second-guessing and more time applying requirements correctly.
Clearer enforcement timelines
AHJ coordination

Clearer enforcement timelines

Direct communication with AHJs helps confirm effective dates, resolve unclear language, and address discrepancies early. The result is clearer guidance and fewer downstream questions during plan review or inspection.
Testimonial

"Before UpCodes, I used to chase down state and local modifications myself, finding the actual code mod legislation on government websites, so I know how to get my information from primary sources. And I've had at least two experiences with other aggregators that left out changes or got them wrong. That shot my confidence in those sources forever. So when UpCodes came out, I double-checked it many times, and to date I have not found any substantive errors or omissions. I now have enough confidence in UpCodes that I go to it directly for accurate state code texts."

Paul Naprstek, Principal at PEN Architectural Consulting

Our Process

How We Maintain Code Accuracy Over Time

Here's what we ask as we research each jurisdiction:

- Which AHJ governs which code? This helps us break down the regulatory and legislative authority for each city/state.

- How does the AHJ make code changes? This helps us determine how the AHJ adopts and amends code.

- How do codes from different AHJs work together? This helps us understand the intricate relationships between the various code-enforcing entities.

We coordinate with AHJs and work with code development staff on an ongoing basis. That coordination helps us resolve clarifications faster, identify typos or errors earlier, and share those findings back with the AHJ. It also allows us to anticipate upcoming adoptions. By tracking draft versions, reviewing adoption details, processing draft legislation, and addressing AHJ questions, we’re able to host future codes well ahead of their effective dates.

Once a code moves toward adoption, we follow it through every stage of its lifecycle. That includes obtaining final versions, reviewing adoption details, performing comparative analysis, and resolving outstanding AHJ questions. When the effective date arrives, the adopted code becomes the current code available on UpCodes for that jurisdiction. From there, we continue tracking supplements, updates, and intermittent legislation to ensure the content stays current.

Code accuracy doesn’t stop at publication. Our team combines technology with full-time, dedicated code reviewers to monitor AHJ-specific updates, addenda, errata, and TIAs as they’re released. We incorporate changes throughout the lifecycle until a code adoption is eventually superseded in that jurisdiction. This ongoing process ensures users are always working from the most accurate, enforceable version available.

A platform with depth and breadth

11M+
Code sections
80+
Jurisdictions hosted
250K+
Integrated local amendments
6,700+
State and city codes
58,000+
Code sections updated monthly on average
2,000+
AHJ sources followed

Trusted by 800,000 AEC professionals and teams who rely on accurate, current codes.

Code Library

All your building codes in one organized library.

UpCodes brings together adopted codes, amendments, errata, and local requirements from thousands of jurisdictions into a single, reliable source. Designed for clarity and speed, the Code Library helps your team find accurate information without switching between PDFs, books, or scattered online resources.
Comprehensive Code Libraries
Advanced Search
Code Filtering
Always-current codes at your fingertips
Comprehensive Code Libraries

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

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Learn more
Always-current codes at your fingertips
Advanced Search

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

1/4
Learn more
Always-current codes at your fingertips
Code Filtering

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

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Diagrams Library

See the code with our detailed diagrams

Access a growing library of high-fidelity diagrams that clearly illustrate complex code requirements and help your team visualize how they apply in real projects.

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Streamline Compliance

Real results. Measurable impact.

Projects don’t just store information — they make it reusable. Quickly migrate insights, standardize documentation, and control project settings to save hours across teams and jurisdictions.

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Code Library

All your building codes in one organized library.

UpCodes brings together adopted codes, amendments, errata, and local requirements from thousands of jurisdictions into a single, reliable source. Designed for clarity and speed, the Code Library helps your team find accurate information without switching between PDFs, books, or scattered online resources.
Comprehensive Code Libraries
Advanced Search
Code Filtering
Always-current codes at your fingertips
Comprehensive Code Libraries

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

1/4
Learn more
Always-current codes at your fingertips
Advanced Search

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

1/4
Learn more
Always-current codes at your fingertips
Code Filtering

Always-current codes at your fingertips

Access the most comprehensive, continuously updated code library across 6M+ sections, jurisdictions, and amendments. Search instantly, compare versions, and review accurate information without flipping through PDFs.

1/4
Learn more
Products Library

Simplify product 
discovery and selection

Browse compliant product options aligned with your project’s code requirements. Compare specifications, explore alternatives, and connect products directly to assemblies and diagrams for better decision-making.

Learn More
Thermal & Moisture Protection
Thermal & Moisture Protection
30,820 Products
Windows, Doors & Skylights
Windows, Doors & Skylights
97,727 Products
Finishes
Finishes
241,924 Products
Masonary
Masonary
17,576 Products
Woods, Plastics & Composites
Woods, Plastics & Composites
61,247 Products
View Products
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How It Works

Our most frequently asked questions

Got more questions? Read our full FAQ or contact us with your enquiry.

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Copilot is included in the UpCodes Professional plan. Essentials users can try Copilot with limited access, but full capabilities are reserved for Professional subscribers.

Generic AI tools are trained on broad internet data and aren’t designed to handle the complexity of AEC compliance. UpCodes Copilot is purpose-built on a continuously maintained library of locally adopted codes, amendments, assemblies, and products, with clear citations back to the exact sections used.

That difference shows up in practice: in a recent expert-reviewed study, Copilot was 57% more accurate than leading generic AI tools when answering real-world code questions.

Yes. Copilot remembers your jurisdiction, building type and size, and code year - so you don’t have to start over every time. You can also upload project documents like AHJ comments or spec drafts for more tailored, project-aware answers.

Accuracy is where purpose-built AI matters most. In an independent study of 43 real-world code questions, responses from Copilot and several generic AI tools were evaluated by industry subject matter experts.

UpCodes Copilot earned a 93% weighted accuracy score across major code families-more than 2× the accuracy of generic AI tested. Every answer is grounded in adopted codes, includes verifiable citations, and often surfaces diagrams to support interpretation.

Yes. Copilot doesn’t stop at Q&A. It can generate project-specific checklists, and soon, full specifications - all tied directly to your projects. This enables collaboration across teams, centralizes compliance tracking, and replaces hours of manual QA/QC with automated, reliable workflows.

Your data is your data. Copilot does not train on your conversations or documents, and we use secure, enterprise-grade infrastructure to protect sensitive information. Conversations are private by default and cannot be seen by teammates unless you explicitly share them.