Permitted, conditional, special use: zoning terms change by municipality. See how Austin, Charlotte, and NYC differ and what it means for lenders.
One of the most important sections of a zoning report is also one that can look deceptively simple:
Is the current use permitted?
The answer might be permitted, conditional, special use, permitted with conditions, permitted with limitations, or something else entirely. And those terms do not necessarily mean the same thing from one municipality to the next.
There is no universal set of use permission categories used by every zoning code. Each municipality establishes its own terminology, approval processes, and conditions. For a zoning report, the job is not just finding the use in a table. It is understanding what that particular municipality means by the category assigned to it.
The Basic Categories
Most zoning codes have some version of a use that is allowed without obtaining a discretionary use approval.
We often describe this in a zoning report as permitted by right.
From there, things get more complicated.
A municipality might identify another use as conditional, special, limited, prescribed, or permitted subject to specific standards. Some of these categories require an actual approval. Others simply require compliance with additional standards.
That distinction matters.
Austin: Permitted, Conditional and Combining Districts
Austin, Texas provides a relatively straightforward example. Its zoning regulations define a Permitted Use as one listed as permitted in the applicable district and authorized as a matter of right when conducted in accordance with the requirements of the Land Development Code.
A Conditional Use, on the other hand, is authorized on a discretionary and conditional basis by the Planning Commission, or City Council on appeal and requires issuance of a Conditional Use Permit.
Austin's Permitted Use Chart makes the distinction easy to see:
P = Permitted Use
C = Conditional Use Permit
– = Not Permitted
But what happens if the use is not listed?
An unlisted use is not automatically prohibited. If a proposed use does not fall within an existing zoning use classification or definition, the director of the Planning and Development Review Department shall determine the appropriate use classification based on the characteristics of the proposed use and the similarities, if any, of the use to other classified uses.
Austin can also further restrict uses on a property by the adoption of Planned Unit Development (PUD), Planned Development Area (PDA), Conditional Overlay Combining Districts (-CO) or Neighborhood Plan Combining Districts (-NP). These can introduce property-specific or area-specific regulations that affect the uses otherwise allowed by the base zoning district.
For a zoning report, that means identifying the base district is not always enough.
If a use is permitted under the base zoning district but the property is also within a Conditional Overlay Combining District, simply reporting the use as "permitted" may leave out an important part of the analysis. The applicable combining district ordinance may further restrict the use or impose additional requirements.
Charlotte: More Than Just Permitted or Conditional
Charlotte, North Carolina shows how quickly these categories can become more detailed.
Under Charlotte's current Unified Development Ordinance, the use matrix includes several different classifications.
An X indicates a use permitted by right.
PC means a use is allowed but must comply with prescribed conditions.
C means conditional zoning map amendment is required.
These categories can also be combined.
C/PC means a conditional zoning map amendment is required and prescribed conditions apply.
PC/C means prescribed conditions apply, with conditional zoning also required in certain circumstances.
That distinction should be clear when describing an existing use within a zoning report.
A use identified as PC is not necessarily equivalent to a traditional conditional use requiring discretionary approval. The use is permitted, but additional standards established by the ordinance apply. Charlotte's current UDO does not simply use a traditional conditional use permit process for any use classification.
This is why translating every category other than "permitted" into "conditional use" can result in an inaccurate report.
Charlotte also provides an example of why understanding the municipality's rules for classifying uses is important.
When a use meets the definition of a specific use category, it is regulated under that category rather than a broader, more inclusive classification. If a use is not specifically identified in the use matrix, the Zoning Administrator determines whether it can reasonably be classified within a listed use. If the unlisted use cannot be classified within an existing use category, it is prohibited.
New York City: As-of-Right, Limitations and Special Permits
New York City's use permission regulations add another layer of complexity.
The Zoning Resolution's use tables uses two layers of use notation - symbols to identify the underlying permission and letters to identify additional allowances or restrictions.
A solid circle indicates a use permitted as-of-right.
A diamond identifies a use that may be permitted as-of-right but is subject to broader use limitations based on the applicable district or geography.
An open circle indicates that a special permit is required, which may involve the Board of Standards and Appeals or City Planning Commission depending on the applicable provision.
A dash indicates the use is not permitted.
Additional letter designations can further qualify the use.
An S may identify a size restriction, while a P indicates additional conditions, such as location or service limitations. A U identifies additional restrictions or allowances applicable to unenclosed or outdoor uses.
So even within the category of an as-of-right use, the analysis may not stop with "permitted as-of-right."
A use might be permitted as-of-right but limited to 3,000 square feet and restricted to the ground floor or cellar. Another may be permitted only when specific additional conditions regarding hours of operation and street width location are satisfied. Another may require a special permit from the applicable approving body.
When a new commercial use is not specifically identified within a use group, the Department of Buildings classifies it with the listed use that most closely reflects its land use characteristics. For example, tattoo parlors are not specifically listed in the Zoning Resolution but are treated similarly to beauty parlors and classified within Use Group 6A.
Why This Matters in a Zoning Report
When preparing a zoning report, we are ultimately trying to answer a property-specific question in the context of a current real estate transaction:
Is the existing use permitted, and if so, under what approval category and subject to what conditions?
For lenders and underwriters, the use conformance determination can also have direct implications for Ordinance or Law (L&O) insurance and, in some cases, loan eligibility.
Under the current Fannie Mae and Freddie Mac Multifamily requirements, Ordinance or Law coverage is required when a property is legally nonconforming under current zoning requirements. Conversely, a legally conforming property does not trigger L&O coverage based on zoning nonconformity. The required coverage is intended to address risks such as the loss of an undamaged portion of a property, demolition costs, and the increased cost of rebuilding in compliance with current requirements.
For a property with a legal nonconforming use, the destruction or rebuild provisions become especially important. The zoning report needs to identify the point at which the municipality would no longer allow the property to be rebuilt and the existing use resumed following a casualty. This is commonly referred to as the destruction threshold.
Fannie Mae takes this analysis a step further. Under its current Multifamily Guide, if a property has a legally nonconforming use and the applicable destruction threshold is less than 50%, the Mortgage Loan cannot be delivered to Fannie Mae. In other words, the distinction between a conforming and legal nonconforming use can affect more than the amount or type of insurance coverage required. In certain circumstances, it can affect whether the loan meets the agency's requirements at all.
This is why the use determination in a zoning report matters. "Legal nonconforming" is not simply a label. It can trigger additional insurance requirements, require further analysis of rebuild rights, and, depending on the applicable agency requirements and municipal destruction threshold, have a direct impact on the transaction.
That means the analysis may need to go further:
The existing use is permitted subject to standards or conditions: Does the existing use comply with those standards or conditions?
The existing use requires a conditional or special use approval: Was the required discretionary approval granted, and can we obtain documentation of that approval?
The property contains an accessory use: Is the use permitted only because it is accessory to the principal use? Does it meet the municipality's requirements for an accessory use?
The existing use is not currently permitted: Could it be legal conforming because of a prior approval that remains applicable to the property? Does it have an approval, but the approval is no longer applicable due to the adoption of a new zoning code? Could it be a legal nonconforming use because of a zoning change or adoption of a new zoning code?
The existing use is not listed: How does the municipality regulate unlisted uses? Does "unlisted" mean prohibited, or can the municipality classify the use under another listed category?
Those last two questions are particularly important.
Finding that an existing use is not currently permitted, or is not specifically listed, is not necessarily the end of the research.
Often, it is the beginning of the next part of the investigation.
The Terminology Is Local
This is one of the reasons zoning research, and zoning data in particular, can be difficult to standardize.
"Conditional" in one municipality may involve a discretionary hearing and separate approval, whereas another jurisdiction may use "conditional" to indicate that a use is permitted subject to additional standards. Another jurisdiction may call its discretionary approval process a special exception, special use, specific use permit, conditional use permit, or something entirely different.
Even the familiar term "permitted" can come with qualifications.
For the zoning report analyst, the goal is not to force every municipality into the same terminology. It is to understand the local terminology first, determine what it means for the existing property, and then explain that clearly in the zoning report.
Because when a zoning report says a use is permitted, the important question is often: