By Eric Berman, REALTOR® | The Eric Berman Team at Compass
TL;DR:
Most people researching a Long Island to Westchester move are focused on the destination, when the transaction that actually determines how the move goes is the one on this end. Both counties sit among the highest in the nation for property taxes, so the common assumption that Westchester is meaningfully cheaper on that line does not hold up — comparisons have to be made municipality by municipality, not county to county. The genuine advantage is that both are in New York, which means the same attorney-state process, the same disclosure form, and often the same attorney handling both closings. The hard part is sequencing: a ten percent deposit is due on the Westchester purchase while the Long Island home may still be listed.
Start With the Sale, Not the Search
Almost everyone approaches this in the wrong order. The Westchester listings are more interesting than the spreadsheet, so the search starts first and the sale gets handled later. That sequence is how people end up carrying two properties or accepting a weak offer under time pressure.
The transaction that governs the timeline is the Long Island sale. It determines the budget, it determines when funds are available, and it determines whether the family is moving on their own schedule or someone else's. Before touring anything in Westchester, a seller should know what their current home realistically sells for, what comes off the top, and what the net figure actually is.
That model needs the full picture: commission, New York State Transfer Tax at four dollars per thousand, attorney fees generally between $1,500 and $3,500, any pre-listing preparation, and carrying costs for a listing period longer than hoped. The full breakdown of what a Long Island sale costs walks through each line. A seller who has that number can shop in Westchester with confidence. A seller who has an estimate is guessing about the most consequential figure in the move.
The Property Tax Comparison, Done Honestly
This is where the available content gets it most wrong, and where a bad assumption costs the most.
Westchester County and Nassau County both consistently rank among the highest in the United States for property taxes paid in absolute dollars. Neither is a low-tax destination relative to the other. Anyone who tells a Nassau homeowner that Westchester will bring meaningful property tax relief is working from an impression rather than the numbers.
What is true is that variation within each county is substantial. Municipalities and school districts set their own levies, so two Westchester towns twenty minutes apart can differ significantly, and the same holds across Nassau. That means the useful comparison is never county to county — it is the specific tax bill on the specific Long Island property against the specific tax bill on the specific Westchester property under consideration.
The practical instruction: pull the actual current tax bill for any property being seriously considered, and compare it against the actual current bill on the home being sold. Not an estimate from a listing portal, which is frequently stale. The difference between those two numbers, positive or negative, belongs in the monthly budget before any offer is made.
Worth noting alongside this: the federal cap on state and local tax deductions affects households in both counties, and how it applies depends on individual circumstances. That is a question for a CPA rather than a real estate conversation, but it belongs in the planning.
Distance, Roads, and the Commute Change
The geography is closer than most people assume. Manhasset to White Plains is roughly twenty-five miles. Most Nassau-to-Westchester moves fall somewhere in the twenty-five to fifty mile range depending on the specific towns, which is meaningfully different from the impression of a long-distance relocation.
By car, the connection runs across the Throgs Neck or Whitestone Bridge into the Bronx, then north via the Hutchinson River Parkway or the Cross County. The Mario M. Cuomo Bridge, formerly the Tappan Zee, sits well west and is not on the route for most of these moves — it matters only for destinations in the far northwest of the county.
The commute change is the piece that reshapes daily life. Long Island runs on the Long Island Rail Road; Westchester runs on Metro-North, on three separate lines with different characteristics — Hudson, Harlem, and New Haven. A household moving from a Nassau town on the Port Washington branch to a Westchester town on the Harlem line is changing terminals, schedules, fare structures, and station parking arrangements all at once.
The honest advice is the same as for any move: ride the actual train, from the actual station, at the actual hour, before committing to a town. Published trip times are accurate and also incomplete — the drive to the station, the parking, and the walk or subway at the Manhattan end frequently add twenty to thirty minutes each way. That total is the number that matters.
What Stays the Same, and Why That Helps
One genuine advantage of this particular move: both ends are in New York State, which means the process is consistent on both sides of the transaction.
New York is an attorney state. Contract drafting and negotiation are legal work reserved to licensed attorneys, and the attorney handles the contract, coordinates the title search and payoff, and runs the closing — with the title company performing mechanical work under that coordination. That applies identically in Nassau and in Westchester. In many cases a single attorney can handle both the sale and the purchase, which simplifies coordination considerably and is worth asking about directly. Sellers who want the fuller picture will find what the attorney actually handles covers the role in detail.
The disclosure obligation is also the same. The Property Condition Disclosure Statement has been mandatory since the March 20, 2024 amendment — 56 questions, with the prior five hundred dollar credit alternative eliminated, and seven flood-related questions added. As a seller on Long Island, that form has to be completed carefully. As a buyer in Westchester, the seller there owes the same form in return, and it should be read closely rather than filed.
Transfer tax works the same way statewide: four dollars per thousand paid by the seller on the Long Island sale. The Mansion Tax applies at one percent to residential purchases above one million dollars and is paid by the buyer, which on the Westchester side becomes an additional cash-to-close item that surprises people who were focused on the down payment.
The Sequencing Problem
This is the hardest part of the move and it deserves more attention than the destination research.
Long Island runs on a ten percent deposit held in attorney escrow, well above the national norm, and Westchester follows the same convention. On a $1.3 million Westchester purchase, that is $130,000 due at contract signing — potentially while the Long Island home is still on the market or under contract but not closed.
Three approaches, each with a real cost. Sell first, then buy: cleanest funds and the strongest negotiating position on the purchase, but it may require temporary housing and a second move. Buy first, then sell: no interim housing, but the household carries both properties, which on these numbers frequently runs $12,000 to $16,000 a month combined and pressures the Long Island sale toward accepting less. Coordinate simultaneous closings: ideal when it works, dependent on both transactions holding their dates, and fragile if anything surfaces in either title search.
The variable that most often breaks the third option is something on the Long Island side — an unclosed permit, an old undischarged lien, a certificate of occupancy that does not match the house. Those surface in municipal searches weeks after contracts are signed. Finding them before listing is the single most effective thing a seller can do to protect a coordinated timeline, and it costs a phone call to the town or village building department.
A Worked Example
Consider a composite case — a Nassau County household relocating for a job along the I-287 corridor, selling a colonial that comped near $1,180,000 and looking in Westchester around $1,250,000.
Their working assumption was that Westchester taxes would come in lower. Pulling the actual bills changed the picture: their Nassau bill was roughly $19,400 and the Westchester properties they liked ranged from $21,000 to $28,000. Not a saving, and on the higher end an additional $700 a month against the budget.
On sequencing, they went sell-first. Their attorney — the same one handling both ends — ran an early title review on the Nassau property and found a 2016 deck permit never closed out. Resolving it took six weeks, entirely before listing. They closed the sale in early spring, spent seven weeks in a short-term rental, and closed the Westchester purchase with cash in hand and no contingency on their own sale, which they used as leverage on price.
The rental cost roughly $14,000. The negotiating position it bought them was worth more, and the permit issue never touched a live transaction.
Where to Start
Get a real number on the Long Island home and build the net-proceeds model before touring anything. Call the town or village building department and ask what permits and violations are on file. Engage a real estate attorney early, and ask whether they can handle both the sale and the purchase. Pull actual tax bills on both ends and compare property to property rather than county to county. Ride the Metro-North line for any town under serious consideration, at the hour that matters. Then decide the sequencing question deliberately rather than letting it decide itself.
Sellers wanting a current read on where their Long Island home sits can start with a quiet look at present value, and more market and process coverage lives in Local Insights.
The Honest Bottom Line
The move itself is short — most of these are under fifty miles, and both ends operate under the same state law with the same attorney-driven process. That is genuinely easier than a cross-country relocation.
What makes it hard is the money and the timing, and specifically the assumption that Westchester will bring tax relief. It generally does not. Both counties are expensive in the same way, and the only comparison that means anything is between two specific properties with two specific bills.
The households that handle this well tend to run the Long Island sale properly first — real valuation, permits checked, attorney engaged early — and let the Westchester search follow from a known number. For anyone working through what their current home would actually net, that conversation is available whenever the timing is right, with no pressure attached.
This is general information, not legal, tax, or financial advice. Property tax figures, transfer tax rules, and transaction requirements vary by property and municipality and change over time. Confirm specifics with a licensed New York real estate attorney and a CPA.
FAQs
Are property taxes lower in Westchester than on Long Island?
Generally not, and this is the most common misconception about the move. Westchester County and Nassau County both consistently rank among the highest in the nation for property taxes paid in absolute dollars. Neither offers meaningful relief relative to the other at the county level. What varies substantially is the municipality and school district within each county, so the only comparison worth making is between the actual current tax bill on the specific Long Island property and the actual current bill on the specific Westchester property. Portal estimates are frequently stale; pull the real figures.
How far is Westchester from Long Island?
Closer than most people assume. Manhasset to White Plains is roughly twenty-five miles, and most Nassau-to-Westchester moves fall in the twenty-five to fifty mile range depending on the specific towns. By car the route runs across the Throgs Neck or Whitestone Bridge into the Bronx, then north via the Hutchinson River Parkway or the Cross County. The Mario M. Cuomo Bridge sits well west and is only relevant for destinations in the far northwest of the county, not for typical moves.
Can the same attorney handle both the Long Island sale and the Westchester purchase?
Often yes, and it is worth asking directly. Both counties are in New York, which means the same attorney-state framework applies to both transactions — the attorney drafts and negotiates the contract, coordinates the title search and payoff, and runs the closing, with the title company performing mechanical work under that coordination. Using one attorney for both ends simplifies coordination considerably, particularly if the goal is to align the two closing dates. Not every attorney handles both counties, so confirm before assuming.
Should I sell my Long Island home before buying in Westchester?
It depends on cash position and tolerance for risk. Selling first gives clean funds and a strong negotiating position on the purchase, since the offer carries no contingency on another sale — but it may require temporary housing and a second move. Buying first avoids that but means carrying both properties, frequently $12,000 to $16,000 monthly combined, which pressures the Long Island sale toward accepting less. Coordinating simultaneous closings is ideal when it works and fragile when anything surfaces in either title search.
What deposit is required when buying in Westchester?
Ten percent of the purchase price, held in attorney escrow — the same convention as Long Island and well above the national norm. On a $1.3 million purchase that is $130,000 due at contract signing, potentially while the Long Island home is still listed or under contract but not closed. Buyers should also budget for the Mansion Tax, which applies at one percent to residential purchases above one million dollars and is paid by the buyer. That adds $13,000 on a $1.3 million purchase as cash to close rather than financed.
By Eric Berman, REALTOR® | The Eric Berman Team at Compass
Eric Berman | Long Island & Queens Associate Broker | Compass
1468 Northern Blvd, Manhasset, NY 11030
(917) 225-8596 | eric@ericbermanre.com | theericbermanteam.com