Can a listing say a lot has development potential?

Yes, if the statement is conditional and attributed. State the zoning designation with its source and a date, describe the potential as subject to confirmation, and close with one verification line naming the authority — the county or city planning department. What you cannot do is describe a possibility as a decision. Words like entitled, approved or ready to build assert that someone has already granted something, and should only appear where a permit or approval exists in writing.

Does a disclaimer protect you from an inaccurate listing statement?

A disclaimer does not make an inaccurate statement accurate. It only reduces the value of an accurate one, because a reader cannot tell which sentences to rely on. The more useful discipline is provenance: name the source you looked at, date what you saw, and scope the verification request once rather than repeating it under every claim. Repetition reads as a signal that nothing above it is reliable.

What is the difference between by-right and discretionary development potential?

A ministerial or by-right path means the local agency approves the project if it meets the enumerated standards. In one county's implementation of state two-unit law, the director may only approve where the project is consistent with all applicable standards, and may only deny an otherwise-eligible application on a written finding of a specific adverse impact with no feasible mitigation. A discretionary path settles size, setbacks and height through design review instead, which is a flexibility story rather than a defect — but it means no table produces a buildable square footage.

Can you state how many units a parcel could hold?

Only as a conditional, and only where the law itself supplies the cap. State two-unit development is limited to no more than two primary units per lot, with eligibility screens covering zoning district, urbanised location, farmland, wetlands, fire hazard severity, hazardous waste, fault zones and the 100-year flood area. Never convert a zoning-map density suffix into a units-per-acre figure without written confirmation from the county — the code text does not always define the unit that suffix is measured in.

Should listing remarks mention who the property would suit?

No. Fair housing rules are about people, not parcels, so describe the property, its zoning and its constraints rather than the buyers or occupants you imagine. Keep links, branding and contact details out of public remarks as well — many MLS rulebooks restrict them, and citation markers and URLs do not survive being pasted into a listing field. Put source links in private remarks or attachments and write the attribution out in words.

Writing About Development Potential in a Listing

Blanket disclaimers make good listing copy useless without making bad copy safe. Here is how California agents can state a parcel's development potential with attribution, dates and one scoped verification line — plus a paste-ready remarks block.

You have a vacant parcel in an unincorporated part of the county, real upside, and a seller who wants that upside in the remarks. Every draft you write comes back from your broker with the same edit: strike the specifics, add "buyer to verify all development potential with the county." The listing goes live saying nothing, and the calls you get are from people asking what you were not allowed to write down.

There is a better instinct, and it is not "say more." In listing copy, caution is provenance, not vagueness. An attributed, dated fact with one scoped verification line does more work than a blanket disclaimer — because a disclaimer does not make an inaccurate statement accurate, it only makes an accurate one useless.

What you can and cannot state

Claim type	Safe to write?	Why
The parcel's zoning designation, attributed and dated	Yes, with the source named	It is a matter of public record you can cite
"Potential for two primary units under state lot-split law, subject to county confirmation"	Yes, as conditional	State law caps such a development at two primary units per lot and imposes eligibility screens (Marin County Code § 22.32.184)
"Entitled" / "approved" / "ready to build"	No, unless a permit or approval exists in writing	These describe a decision that has been made, not a possibility
A specific buildable square footage	No	Where standards are set through design review, no table produces that number
A units-per-acre conversion from a zoning-map density suffix	No, without written county confirmation	Suffix notation states a maximum density; the unit it is measured in is not always defined in the code text

Attribute, date, and scope — then stop

Three habits turn a nervous paragraph into a defensible one.

Name the source. "County zoning designation as shown on the [County] zoning map" beats "zoned for development." The buyer knows exactly what you looked at.

Date it. Zoning changes. A dated statement is true about a moment; an undated one implicitly claims to be true forever.

Scope the verification to an authority, once. One line — "Buyer to confirm permitted uses and development standards with [County] Planning" — is worth more than the same disclaimer repeated under every sentence. Repetition reads as a warning that nothing above it is reliable.

By-right and discretionary are different products

This is the distinction most listing copy collapses, and it is worth money to get right.

Some development paths are ministerial: if the project meets the enumerated standards, the county approves it. A county reviewing a two-unit state-law application may only approve it where the project is consistent with all applicable standards, and may only deny an otherwise-eligible application where the building official makes a written finding, on a preponderance of the evidence, of a specific adverse impact on public health and safety or the physical environment with no feasible mitigation (§ 22.64.050). That is a narrow door for a refusal, and saying so — carefully — is a real selling point.

Other paths are discretionary, decided through design review or a master plan rather than a fixed table. The code itself frames these as alternatives: where a project does not qualify for the streamlined route,

the applicant may elect to submit an application for the applicable discretionary approval

(§ 22.32.184).

Do not apologise for the discretionary case. A parcel whose size, setbacks and height are settled through design review is a parcel that can be shaped to the site — that is a flexibility story, not a defect. What you must not do is print a number as though a table produced it.

Eligibility screens are your friend, not your enemy

Streamlined two-unit development carries conditions, and naming them is more useful than hedging around them. Among the requirements: the development contains no more than two primary units per lot; the site sits within a single-family residential zoning district; and the lot lies wholly within an urbanized area or urban cluster as designated by the Census Bureau. Sites are excluded where they are prime farmland or farmland of statewide importance, wetlands, within a very high fire hazard severity zone or the state responsibility area (unless the listed fire mitigation standards apply), a listed hazardous waste site, within a delineated earthquake fault zone, or within a 100-year special flood hazard area — each with its own carve-back (§ 22.32.184).

Similar screens run through the state's other streamlining routes, covering historic resources, wildland fire hazard, seismic and landslide risk, developed open space, conservation easements, and protected species habitat (Streamlined Ministerial Approval Process Guidelines). A larger mixed-income route exists where offices, retail and parking are principally permitted uses (§ 22.32.188).

If your parcel clears a screen a buyer would expect it to fail — it is not in the flood zone, it is not in the very high fire hazard severity zone — that is a specific, checkable, attributable fact. Write it.

One fact worth telling a developer buyer

A housing development project is generally subject only to the standards adopted and in effect when a preliminary application was submitted — including general plan, zoning, design review and subdivision standards, and fees (HCD Housing Accountability Act advisory). Certain increases still apply, such as an automatic annual fee adjustment tied to a published index. For a buyer weighing a long escrow against a moving regulatory target, that is the single most valuable sentence you can put in front of them.

A paste-ready public remarks block

Adapt the bracketed parts and keep it clean — no links, no branding, no contact details:

Level, buildable parcel in unincorporated [County]. Zoning designation
[ZONE] per the [County] zoning map as of [DATE]; permitted uses and
development standards are set by the county code and, in this district,
through design review rather than fixed tables — flexibility to shape a
home to the site. Parcel is not within a mapped special flood hazard area
or a very high fire hazard severity zone per [SOURCE, DATE]. State law may
also allow additional residential units subject to eligibility criteria.
No permits or approvals have been issued. Buyer to confirm all permitted
uses, development standards and unit potential with [County] Planning.

Two mechanical points. Citation markers and URLs die when text is pasted into a listing field, and many MLS rulebooks restrict links, branding and contact information in public remarks — so keep source links in private remarks or listing attachments, and put the attribution in words. And check your own MLS's remarks rules before publishing; they vary, and they, not this article, govern the field you are typing into.

Two things to never write

Never describe the buyer. Fair housing rules are about people, not parcels. Describe the property, its zoning and its constraints — never who you imagine living there, or who the property would "suit."

Never convert a density suffix without confirmation. Zoning-map density suffixes state a maximum residential density, but the code text does not always define the unit that number is measured in. Printing a units-per-acre figure derived from one is exactly the kind of specific, wrong number that a disclaimer will not save.

What this article does not cover

The sections cited here are one county's implementation plus the statewide streamlining guidance. Your county's or city's code will differ, so treat the shape of the reasoning as portable and the numbers as local. Accessory dwelling unit standards, subdivision procedure and impact fees are separate lookups. Nothing here is legal advice; for a specific listing, run the copy past your broker and your own MLS's rules. Start from the Marin County jurisdiction page for the local picture.

How to Write About Development Potential in a Listing