Plain-English answers on zoning, air rights, development value, and selling — written for owners, not lawyers.
You need a current title report, an up-to-date survey, a zoning analysis, existing leases with a rent roll, recent tax bills, and a record of any violations. These let buyers underwrite without delay - a complete package shortens due diligence and gives an owner leverage to hold price.
A survey confirms the exact lot dimensions, boundaries, and easements that determine buildable square footage - the basis for what a developer will pay. An outdated or missing survey forces buyers to assume the worst, so a current one lets them underwrite the full development potential with confidence.
Buyers will ask for the rent roll, current leases, operating expenses, and recent property tax bills to model holding costs until they can build - brief for a vacant site, detailed for an occupied building. Having it organized upfront keeps underwriting moving and price discussions on track.
Yes - a zoning analysis done before listing establishes the buildable square footage and any as-of-right development potential, which is the foundation of the asking price. Without it, buyers underwrite conservatively, so commissioning one lets an owner market the site on its full potential rather than a buyer's cautious estimate.
A massing study - a preliminary architectural model showing how large a building the zoning allows - is not required but can help buyers visualize the development potential and support a higher price. It is most worthwhile for larger or complex sites where buildable potential is not obvious from the zoning alone.
Abstract every lease before going to market - noting term, rent, renewal options, and any demolition or relocation clauses - so buyers can see the cost of delivering a vacant site. Surprises here kill deals, so clarifying tenancy status upfront lets buyers underwrite accurately and protects an owner's price.
Fix open DOB, ECB, and HPD violations before listing, since they cloud title and give buyers a reason to discount, and even small ones accumulate fines and slow closing. Clearing them on your own timeline is almost always cheaper than letting a buyer surface them and renegotiate.
Start two to four months before listing - the time it takes to order a title report and survey, complete a zoning analysis, and clear violations. Sites with tenants or environmental questions need longer. Early preparation keeps the sale from stalling once buyers are engaged.
A long-term lease affects the sale because developers need vacant possession to build, so the lease's term, buyout options, and demolition clauses become central to value. A lease with no early-termination path can limit your buyer pool to those willing to wait, so reviewing its exit options before listing tells you which buyers are realistic.
Multiple owners should agree on price expectations, the decision-making process, and signing authority before going to market, ideally in writing, because a buyer needs confidence that every owner will sign at closing. Disagreement surfacing mid-deal can collapse a sale, so resolving it upfront protects both timeline and price.