By Eric Berman, REALTOR® | The Eric Berman Team at Compass

TL;DR:

Nassau County and Suffolk County are Long Island's two counties, and choosing between them comes down to what matters most for a specific buyer. Nassau County is closer to Manhattan (roughly 15-30 miles from Midtown), covers about 285 square miles, and has shorter LIRR commutes — typically 35-55 minutes to Penn Station. Suffolk County covers about 912 square miles extending east through the North Fork, the Hamptons, and mainland Suffolk. Suffolk commutes are longer (55-120+ minutes depending on where in the county) but property tax rates tend to be lower per assessed value, and mainland Suffolk often offers more house for the money. Both counties operate under the same NY laws — real estate attorney closing, PCDS mandatory disclosure since March 20 2024, and post-Sitzer/Burnett buyer's agent compensation rules since August 17 2024. The right choice depends on commute, budget, and what kind of property matches how the buyer actually wants to live.

Long Island Has Two Counties

Most people outside the area don't realize that Long Island is really two counties, and the differences between them are meaningful.

Nassau County is the western half, closest to New York City. It's about 285 square miles with roughly 1.4 million people. It borders Queens to the west and Suffolk to the east. In many parts of Nassau, there's a village-based structure — small incorporated villages layered under the town and county. Port Washington, Manhasset, Garden City, Sea Cliff, and Old Westbury all work this way.

Suffolk County is everything east of Nassau, extending all the way to Montauk. It's about 912 square miles — roughly three times the size of Nassau — with about 1.5 million people. Suffolk is organized around ten towns rather than a heavy network of villages. The county includes the North Fork (agricultural and wine country), the South Fork (the Hamptons), and mainland Suffolk to the west.

The two counties feel different, function differently, and price differently. But the choice isn't really "Nassau or Suffolk" — it's about the specific area within each county that fits a specific buyer's life.

For anyone starting to get a sense of what homes are actually going for, the home valuation tool is a quiet way to check pricing without any commitment.

The Commute Question

For most buyers looking at Long Island, commute time to Manhattan is one of the biggest deciding factors.

Nassau County is 15-30 miles from Midtown depending on where you're looking. The LIRR is the main artery, and travel times to Penn Station are usually 35-55 minutes. Port Washington runs a straight shot on its own branch. Manhasset, Great Neck, and Bayside are on the Port Washington line too. Garden City, Mineola, Hicksville, and Jamaica Estates connect through the main lines.

Suffolk County stretches from about 30 miles from Manhattan at its western edge to 100+ miles at the eastern tip. Western Suffolk towns like Huntington and Babylon offer LIRR commutes in the 55-75 minute range. Central Suffolk (Ronkonkoma, Islip) runs 75-90 minutes. Eastern Suffolk — the North Fork and the Hamptons — is 90-120+ minutes by train, and many East End residents rely on the Hampton Jitney for Manhattan trips.

Driving is another consideration. Both counties access the LIE (I-495), the Northern State Parkway, and the Southern State Parkway. Nassau drives are typically 20-40 minutes to Midtown in normal traffic. Suffolk drives run 40-100+ minutes depending on where in the county. And that's the on-paper number — actual traffic on the LIE is legendary, especially during peak commuting windows.

A buyer commuting daily to Manhattan will feel Nassau's proximity every single day. A buyer working from home, commuting only occasionally, or working somewhere on Long Island itself has much more flexibility to look east.

Property Taxes: How They Actually Work

Long Island property taxes are famously high, and the two counties handle them differently.

Nassau County uses an assessment system where multiple taxing bodies stack up on top of each other — county, town, village (if applicable), school district, library, sanitation district, park district, and sometimes water district. A single Nassau property tax bill often reflects seven or eight separate assessments. Nassau has also gone through reassessment cycles that have changed the picture for many homeowners over recent years.

Suffolk County is organized more simply. Each of Suffolk's ten towns handles its own assessment, and the layering is generally less complex. Suffolk property tax rates per assessed value are typically lower than Nassau's in most areas.

But here's the honest picture: total tax bills depend heavily on property value, and Nassau properties in many areas cost more, which produces higher total bills. A $1.4M home in Manhasset might carry a $28,000-$35,000 annual tax bill. A $700K home in mainland Suffolk might carry a $12,000-$18,000 bill. The rate per dollar of assessed value is lower in Suffolk, but the story on total dollars out of pocket depends entirely on the specific property.

Anyone looking at Long Island purchases should look at the actual tax bill for the actual property, which shows up on every OneKey MLS listing. That's the real number.

The federal SALT deduction cap (currently $10,000) hits both counties hard, but hits Nassau County harder since Nassau bills are typically bigger. It's worth talking through with a tax advisor before committing to a specific purchase.

The Village vs. Town Difference

This is one of those Long Island quirks that surprises buyers coming from elsewhere.

In Nassau County, many neighborhoods sit inside incorporated villages that have their own local government, their own zoning rules, and their own permitting process for renovations. Port Washington actually contains several villages — Port Washington North, Baxter Estates, Flower Hill, Sands Point, and Manorhaven. Manhasset area includes Munsey Park, Plandome, and others. Garden City is its own village. Sea Cliff, Locust Valley, Old Westbury — all villages with their own governance.

Why does this matter to a buyer? A few reasons. Village governments often set their own permitting rules for renovation work. Some villages require additional fees or approvals at closing. Village-specific zoning affects what can be built or added to a property. And each village runs slightly differently — some have very active local government, others are more hands-off.

Suffolk County is organized around its ten towns (Babylon, Brookhaven, East Hampton, Huntington, Islip, Riverhead, Shelter Island, Smithtown, Southampton, Southold) with fewer layered villages. For most Suffolk buyers, they'll deal directly with town-level government. That's simpler in most cases.

None of this makes one county better than the other — it just means the process looks different, and a real estate attorney familiar with the specific area matters more in Nassau's village-heavy sub-regions than it might elsewhere.

Price Ranges: What Buyers Are Actually Seeing

This is where things get interesting, because Long Island is a big enough area that county-level averages don't tell the real story.

In Nassau County, the North Shore luxury market (Port Washington, Manhasset, Roslyn, Great Neck, Plandome, Sands Point) runs roughly $1M-$15M+ depending on property and location. Waterfront and estate properties in Sands Point, Old Westbury, and Locust Valley can go much higher. More established Nassau North Shore residential areas typically run $700K-$3M. Mid and South Nassau — Garden City, Levittown, Lynbrook, Mineola, New Hyde Park — runs $600K-$1.5M for most homes. Entry-level Nassau, including starter homes in Levittown and portions of other areas, starts around $500K-$800K.

In Suffolk County, the South Fork/Hamptons luxury market (East Hampton, Southampton, Bridgehampton, Water Mill, Sagaponack) is the top of Long Island pricing — $2M-$50M+ for high-end waterfront and estate properties. The North Fork (Riverhead, Cutchogue, Southold, Greenport, Shelter Island) runs $700K-$3M with the wine country and waterfront driving upper pricing. Established North Shore Suffolk residential runs $600K-$1.5M. South Shore Suffolk residential runs $500K-$1.2M. Mainland central Suffolk — homes farther from the water — often runs $400K-$800K, which is meaningfully less expensive than most Nassau sub-regions.

For a buyer stretching a budget, Suffolk mainland often produces more house for the money. For a buyer prioritizing commute and Nassau's specific character, Nassau makes more sense despite the higher pricing. For luxury waterfront, the Hamptons is the top of the Long Island market.

The Port Washington community page, Manhasset community page, and other Nassau community pages get into more specific pricing by neighborhood.

The Peconic Bay Transfer Tax (Suffolk East End Only)

Here's a Suffolk-specific detail buyers should know about before falling in love with an East End property.

If a buyer purchases in Riverhead, Southold, Shelter Island, East Hampton, or Southampton, there's an additional 2% Peconic Bay Region Community Preservation Fund (CPF) transfer tax paid by the buyer. There are exemptions — the first $400K is exempt for primary residences, first $150K for improved land, first $75K for unimproved land. Above those thresholds, the buyer pays 2% of the sale price.

On a $1.5M East Hampton purchase, that's $22,000 in additional buyer closing costs beyond the standard closing framework. On a $5M Southampton purchase, it's $92,000. This is real money and worth planning for.

The CPF tax funds land preservation and water quality programs in the East End. Nassau County and non-East End Suffolk purchases don't have this additional tax — just the standard NY State Transfer Tax framework (0.4% seller-paid) and Mansion Tax on $1M+ purchases (1% at $1M, scaling up to 3.9% at $25M+, buyer-paid).

What's the Same in Both Counties

Some things don't change based on which side of the Nassau/Suffolk line a buyer ends up on.

New York is an attorney state. Every residential purchase in either county requires a real estate attorney — not a title company. The attorney handles contract review, the closing coordination, and everything in between. Attorney fees typically run $1,500-$3,500+ for standard residential transactions in both counties.

Since March 20, 2024, sellers in both counties are required to complete the NY Property Condition Disclosure Statement (PCDS). It's a 56-question form covering property condition, environmental factors, and seven specific flood-related questions added in the 2024 amendment. The old $500 credit option that used to let sellers skip the disclosure is gone. As a buyer, this means more information about the property upfront in both counties.

Since August 17, 2024, buyer's agent compensation isn't automatically listed on the MLS. Buyers now sign a buyer's agent representation agreement before starting to tour homes, and buyer's agent compensation is negotiated as part of each offer rather than assumed. This applies statewide in both counties.

Both counties use OneKey MLS — the same multiple listing service covers all of Long Island, so a buyer working with a Long Island agent can search both counties through a single system.

And the NY Mansion Tax progressive tier structure applies to any $1M+ purchase in either county, regardless of location.

For more on the paperwork side, the Long Island paperwork guide walks through PCDS and NY-specific documentation in detail.

How to Decide

The honest answer to "Nassau or Suffolk" is: it depends on what a specific buyer is optimizing for.

Nassau makes more sense when Manhattan commute matters daily, when a buyer has budget for higher pricing, when a specific sub-region of Nassau (Port Washington waterfront, Manhasset established, Garden City historic, Bayside or Fresh Meadows for those with NYC ties) is the actual fit. The village-based governance is a feature for some buyers and neutral to others.

Suffolk makes more sense when a buyer wants more property for the money (especially mainland central Suffolk), when Manhattan commute is occasional or work-from-home based, when a buyer wants the North Fork's agricultural and wine country character, or when the Hamptons luxury waterfront market is the goal.

There's also no rule saying a buyer has to pick just one. Many Long Island buyers look at properties in both counties before making a decision — the same OneKey MLS covers everything, and a Long Island-based agent can search both sides of the line simultaneously.

For anyone starting the process, the home valuation tool shows what similar properties are running. Reaching out for a conversation about specific goals is always welcome.

The honest bottom line: Nassau County and Suffolk County both offer legitimate options for Long Island buyers. Nassau brings shorter commutes and village-based character with higher pricing. Suffolk brings more room, generally lower pricing in mainland areas, sub-regions ranging from working mainland to Hamptons luxury, and longer commutes with sub-region variation. Both operate under the same NY laws — attorney state closing, PCDS mandatory disclosure since March 20 2024, post-Sitzer/Burnett buyer's agent compensation since August 17 2024. The right decision depends on commute, budget, and what specific area within either county fits how a buyer actually wants to live.

Note: This blog post covers general information. Individual property circumstances and personal situations vary. Consult qualified real estate professional, real estate attorney, and financial advisor for advice specific to your situation.

FAQs

What are the main differences between Nassau County and Suffolk County for buyers?

Nassau County is Long Island's western half, closer to Manhattan (roughly 15-30 miles from Midtown). It's about 285 square miles with village-based governance in many areas, higher-density housing, and shorter LIRR commutes typically 35-55 minutes to Penn Station. Suffolk County is the eastern half, roughly three times larger at 912 square miles, extending to Montauk. It's organized around ten towns rather than villages, offers lower-density housing in most sub-regions, and has longer LIRR commutes ranging from 55 minutes in western Suffolk to 120+ minutes in the East End. Property tax rates are typically lower per assessed value in Suffolk, though total tax bills depend on property value. Suffolk East End purchases (Riverhead, Southold, Shelter Island, East Hampton, Southampton) add a 2% Peconic Bay CPF transfer tax paid by buyers above exemption thresholds.

Are property taxes really higher in Nassau County?

Rates per assessed value are typically higher in Nassau than in Suffolk. But total tax bills depend on property value, and Nassau properties in most sub-regions cost more, which produces higher total bills. A $1.4M Manhasset home might carry $28,000-$35,000 in annual property taxes. A $700K mainland Suffolk home might carry $12,000-$18,000. The rate differential and the property value differential both matter. Every OneKey MLS listing shows the actual current tax bill for the specific property — that's the real number. The federal SALT deduction cap ($10,000) affects both counties but hits Nassau harder since Nassau bills tend to be larger.

How different are the commutes to Manhattan?

Meaningfully different. Nassau County LIRR travel times to Penn Station typically run 35-55 minutes depending on specific station and whether the train runs express. Suffolk County ranges from 55-75 minutes in western Suffolk (Huntington, Babylon) to 75-90 minutes in central Suffolk (Ronkonkoma, Islip) to 90-120+ minutes in eastern Suffolk (North Fork, Hamptons). Driving times are similarly stretched — Nassau usually 20-40 minutes to Midtown in normal traffic, Suffolk 40-100+ minutes. For daily Manhattan commuters, Nassau's proximity matters every day. For remote or hybrid workers, Suffolk's larger geography opens up options.

What's the Peconic Bay CPF tax and does it apply to my purchase?

The Peconic Bay Region Community Preservation Fund (CPF) is a 2% transfer tax paid by buyers on purchases in five East End Suffolk towns — Riverhead, Southold, Shelter Island, East Hampton, and Southampton. Exemptions apply to the first $400K for primary residences, first $150K for improved land, and first $75K for unimproved land. Above those thresholds, the buyer pays 2% of the sale price. On a $1.5M East End purchase, that's roughly $22,000 in additional buyer closing costs beyond standard NY closing framework. Nassau County and non-East End Suffolk purchases don't have this additional tax. Anyone buying in the East End should build this into their closing cost planning early.

Do the same NY laws apply to both counties?

Yes. Both counties operate under identical NY statewide framework. New York is an attorney state — every residential purchase requires a real estate attorney for closing coordination (not a title company). NY attorney fees typically $1,500-$3,500+. The PCDS Property Condition Disclosure Statement has been mandatory statewide since March 20, 2024 — sellers complete a 56-question disclosure form before contract signing, with the old $500 credit alternative eliminated. Post-Sitzer/Burnett buyer's agent compensation changes have applied statewide since August 17, 2024 — buyer's agent compensation is now negotiated per offer rather than automatically listed on MLS. NY State Transfer Tax (0.4% seller-paid) and NY Mansion Tax on $1M+ purchases (progressive tier structure from 1% at $1M to 3.9% at $25M+, buyer-paid) apply identically in both counties. OneKey MLS covers all of Long Island.

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