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

TL;DR:

This is one of two destinations in this series where the move likely costs money rather than saving it — San Diego housing runs at or above Long Island levels, which makes it a lifestyle and career decision with a financial price rather than an affordability upgrade. Two things a Nassau seller won't expect. The insurance question here is wildfire rather than ocean proximity, and in exposed areas availability can decide whether a purchase is possible at all. And many of the newer master-planned communities carry a Mello-Roos special assessment on top of ordinary property taxes, which never appears in a listing price.

 
 

Start With the Long Island Sale

 
 

At over 2,700 miles, coordinating two closings is impractical and the Long Island transaction sets the budget — which matters more here than usual, because the proceeds may not stretch as far as expected. Before touring anything, know what the current home nets: commission, New York State Transfer Tax at four dollars per thousand, attorney fees generally $1,500 to $3,500, preparation, and carrying costs. The full breakdown of what a Long Island sale costs covers each line.

A seller who establishes California residency before the Long Island closing becomes a New York nonresident for that transaction, triggering Form IT-2663 — an estimated payment at closing of 8.82 percent of net gain. That's a prepayment rather than an additional tax, refundable where the real figure comes in lower, but it reduces the wire. For a long-held home, the exclusion covers $250,000 single and $500,000 filing jointly, and improvement records reduce taxable gain substantially, which the full treatment of how gain is calculated covers. Sell first.

 
 

This Move Probably Costs Money

 
 

Worth stating as the frame rather than as a qualifier, because almost no relocation content will say it.

San Diego housing runs at or above Long Island levels, particularly anywhere near the coast, and a household selling a Nassau County colonial and expecting comparable space is likely to be disappointed. The gap narrows inland and in the eastern parts of the county, but the desirable coastal and near-coastal areas — which is what most people picture when they picture San Diego — are not a step down from Nassau or Suffolk.

What that means practically is that this is a career or life decision carrying a financial cost, rather than the affordability move most of this series describes. Households that understand that going in make better choices than households that discover it during a search, because the question shifts from how much more house to what works for us at this price, which is the better question anyway.

The composition of costs does shift favorably in one respect. California property taxes are generally lower than Nassau County's, and the reason is Proposition 13 — the state assesses at acquisition value and caps annual increases, so a buyer's assessment is set at purchase and largely stops tracking the market. Over a long hold that compounds meaningfully against a reassessment cycle. The fuller California treatment covers it along with the supplemental tax bill that catches new buyers after closing, and the base-year transfer rules that a New York buyer has nothing to transfer into. Against that, California income tax is among the highest in the nation, and everyday costs run higher.

 
 

The Insurance Question Is Wildfire, Not the Ocean

 
 

This is the correction most worth making, because the intuitive answer is wrong.

Coastal proximity is not what drives California's insurance difficulty. Wildfire is, and San Diego County has substantial wildland interface exposure — the canyon communities, the inland valleys, and the eastern parts of the county where development meets open terrain. In fire-exposed areas some carriers have limited or withdrawn from writing new policies, which means availability rather than price can be the binding constraint, and a lender will not close without bindable coverage. A buyer who cannot obtain a policy on a specific property cannot buy it regardless of what they're willing to pay.

The California FAIR Plan exists as a last-resort option where private coverage isn't available, and coverage through it is typically narrower and often paired with a supplemental policy. Deductibles in exposed areas are frequently expressed as a percentage of insured value rather than a flat amount, which produces much larger out-of-pocket figures than a Long Island homeowner expects.

The instruction is the same one that applies to waterfront here: obtain actual insurance quotes on specific addresses before making an offer, not after. Two similarly priced homes in different fire-hazard zones can differ enormously in carrying cost and in whether coverage is available at all. Earthquake coverage is a separate question again, generally excluded from standard policies and purchased through a distinct program — optional in most cases, and worth pricing rather than assuming.

 
 

The Tax Line That Isn't in the Listing

 
 

Mello-Roos matters more in San Diego than almost anywhere in California, and it's invisible until you ask.

Many of the newer master-planned communities across the county sit within a Community Facilities District, which levies a special assessment on top of ordinary property taxes to finance infrastructure — roads, schools, parks, utilities. The assessment is tied to the property rather than to the owner, it varies enormously between developments, and it doesn't appear in an asking price. Two similarly priced homes in adjacent communities can carry materially different total annual costs because one sits in a district and the other doesn't.

The relevant detail for a buyer arriving from New York is that the communities most likely to appeal — newer construction, planned amenities, the developments that look like good value against coastal prices — are precisely the ones where these districts are common. Ask whether a specific property sits within a Community Facilities District and what the annual assessment is, then pull the actual full tax bill rather than relying on a rate calculation. Assessments also have terms, so asking how long it runs is worth doing at the same time.

 
 

Buying Works Differently

 
 

California closings run through escrow. A neutral escrow company holds funds and documents and coordinates the closing, with title insurance handled alongside, and no attorney is necessarily involved on either side. For a New York seller accustomed to counsel drafting the contract, negotiating on their behalf, and running the closing, that's a real adjustment — a buyer who wants legal review retains one separately and pays for it, which is worth deciding before the transaction starts rather than partway through. The fuller picture of what the attorney handles here describes what you'd be giving up.

California also uses an extensive statutory disclosure regime — a Transfer Disclosure Statement plus natural hazard disclosures covering fire, flood, and seismic zones among others — so a buyer receives considerably more paperwork than in New York, which is informative rather than burdensome once expected. The natural hazard disclosure is the one to read carefully here, since fire zone designation is exactly the question that determines insurability.

The market also moves quickly relative to New York's attorney-driven pace, which means being financed and ready before touring matters more than it does here.

 
 

A Worked Example

 
 

Consider a composite case — a Nassau County household relocating for a San Diego position, selling a colonial that comped near $1,120,000.

The first correction was the budget. Their proceeds bought considerably less near the coast than they'd assumed, and they moved their search inland — which then produced the second discovery, because the inland community they liked carried a Mello-Roos assessment that added meaningfully to the annual cost. Nobody had mentioned it; they found it by asking for the full tax bill rather than the rate.

The third was insurance. A property in a canyon community took three weeks to quote and came back with a FAIR Plan option plus a supplemental policy, at a combined cost and a percentage-based deductible they hadn't budgeted for. They passed, and the property they eventually bought sat in a lower fire-hazard area with conventional coverage available.

On the New York side they sold first, which was necessary at that distance. Their attorney's early title review turned up an old undischarged home equity line, cleared in four weeks before listing.

 
 

Where to Start

 
 

Build the net-proceeds model on the Long Island home and sell first. Call the town or village building department about permits. Engage a New York real estate attorney early and talk to a CPA about IT-2663 and capital gains before setting a closing date.

On the San Diego side: get insurance quotes on specific addresses before offering, since availability can be the constraint rather than cost, and read the natural hazard disclosure for fire zone designation. Ask whether any property sits within a Community Facilities District, what the Mello-Roos assessment is, and how long it runs — then pull the full tax bill. Ask a California professional how Proposition 13 will apply to your purchase, and budget for the supplemental bill that arrives after closing. And decide whether you want your own counsel, since none comes with an escrow closing.

Sellers wanting a current read on where their Long Island home sits can start with a quiet look at present value.

 
 

The Honest Bottom Line

 
 

San Diego is one of the few destinations in this series where a Long Island household should expect the move to cost money rather than save it. Housing runs at or above Nassau levels near the coast, and the affordability story most relocation content tells doesn't apply. That's fine — people move for careers and for lives, not only for arithmetic — but it's better understood before a search than during one.

The two things that catch New York buyers are both answerable in advance and neither is intuitive. The insurance question is wildfire rather than ocean proximity, and in exposed areas it determines whether a purchase is possible at all rather than what it costs. And the tax bill on a newer community may include a special assessment that isn't in the asking price and isn't in the rate.

For anyone working through what their Long Island home would net before any of that begins, that conversation is available whenever the timing suits.

This is general information, not legal, tax, insurance, or financial advice. California property tax provisions, special assessment districts, disclosure requirements, and insurance availability vary and change. Confirm current specifics with a California attorney, the county assessor, and a licensed insurance professional, and confirm New York specifics with a licensed New York real estate attorney and a CPA.

 
 

FAQs

 
 

Is San Diego cheaper than Long Island?

Generally no, which makes it unusual among relocation destinations. Housing runs at or above Long Island levels near the coast, and a household selling a Nassau County colonial and expecting comparable space is likely to be disappointed. The gap narrows inland and in the eastern county. Property taxes are the one structural advantage — California assesses at acquisition value and caps annual increases under Proposition 13, so a buyer's assessment is set at purchase and largely stops tracking the market. Against that, California income tax is among the highest in the nation and everyday costs run higher.

Why is insurance a problem in San Diego?

Because of wildfire, not ocean proximity — which is the intuitive answer and the wrong one. San Diego County has substantial wildland interface exposure in the canyon communities, inland valleys, and eastern areas where development meets open terrain. In fire-exposed areas some carriers have limited or withdrawn from writing new policies, so availability rather than price can be the binding constraint, and a lender won't close without bindable coverage. The California FAIR Plan exists as a last resort with typically narrower coverage. Get actual quotes on specific addresses before offering.

What is Mello-Roos and why does it matter in San Diego?

A special assessment levied by a Community Facilities District to finance infrastructure, charged on top of ordinary property taxes and tied to the property rather than the owner. It matters here more than almost anywhere in California because the newer master-planned communities — the ones most likely to appeal to a buyer priced out of the coast — are precisely where these districts are common. The assessment varies enormously between developments, doesn't appear in an asking price, and has a defined term. Ask whether a property sits in a district, what the assessment is, and how long it runs.

Does California require an attorney to buy a home?

No. California closings run through escrow — a neutral escrow company holds funds and documents and coordinates, with title insurance handled alongside, and no attorney is necessarily involved on either side. For a New York seller accustomed to counsel drafting the contract and running the closing, that's a real adjustment, and a buyer who wants legal review retains one separately. California does use an extensive statutory disclosure regime including natural hazard disclosures, which is worth reading carefully here since fire zone designation determines insurability.

What should I read most carefully in a California disclosure package?

The natural hazard disclosure, and specifically the fire zone designation. California's disclosure regime produces considerably more paperwork than New York's, covering fire, flood, and seismic zones among other things — and in San Diego County the fire designation is the one that connects directly to whether a property is insurable and therefore financeable. Read it before waiving contingencies rather than after, and pair it with actual insurance quotes on the specific address.

 
 

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