By Paul Della · Licensed Insurance Agent · The Della Agency
Long Island's housing stock is old, and that's most of its charm \u2014 the postwar Capes that built Levittown, the prewar colonials in the North Shore villages, the bungalows that started as summer places. Insurers see the same houses differently: four systems that determine whether the home is easy or hard to write, a roof that may be settled at depreciated value, and a rebuild that has to meet codes written decades after the house went up. Here's exactly what underwriters look at, and what it means for your coverage.
Underwriters judge an older Long Island home mostly on four systems — roof, electrical, plumbing, and heating — rather than on its age alone. A well-maintained 1950s Cape with an updated panel and a newer roof insures far more easily than a neglected one. The common eligibility blockers are active knob-and-tube wiring, Federal Pacific or Zinsco panels, and buried oil tanks. The common coverage gaps are older roofs settled at actual cash value and the absence of ordinance-or-law coverage, which pays the extra cost of rebuilding to today's codes. Update what you can, disclose everything, and make sure the policy is written for a house of its age.
If your Long Island home was built before your parents were born, you already know the trade: solid framing, real plaster, a yard that would cost a fortune today — and a list of systems that were state of the art during the Truman administration. Insurance sits right at that intersection. An older home isn't inherently a problem to insure, but it is judged differently, and the difference shows up in your premium, your eligibility, and what actually gets paid after a loss.
This guide covers what underwriters actually look at on an older Long Island home, which findings cause real trouble, why old roofs so often get depreciated payouts, and the one endorsement older homes shouldn't be without. We're a licensed agency in North Babylon working with homes across Nassau and Suffolk — a lot of them built in the postwar boom — so this is familiar territory.
Why Does an Older Home Cost More to Insure on Long Island?
The short answer: older systems fail more often, older construction costs more to rebuild to current codes, and Long Island's housing stock is old enough that this affects a huge share of homeowners here.
Three forces drive it. Claim frequency: aging plumbing, wiring, and heating equipment produce more losses than newer equivalents, and water damage from failing supply lines is among the most common claims there is. Rebuild cost: restoring an older home isn't just construction, it's construction that has to satisfy modern code — and features like plaster walls or original millwork cost real money to reproduce. Scarcity of information: an underwriter looking at a 1948 Cape doesn't know whether it's been meticulously updated or never touched, so they ask, and sometimes they inspect.
What makes this a Long Island story is scale. The postwar boom filled Nassau and western Suffolk with Capes and ranches — Levittown's original homes went up between 1947 and 1951 — and the North Shore villages have housing considerably older than that. A large share of homes here sit in exactly the age bracket where underwriting questions begin. The upside: because it's so common, it's well-trodden ground, and the fixes are known.
The Four Things Underwriters Actually Check
The short answer: roof, electrical, plumbing, and heating. Age alone matters far less than the condition and update history of those four systems.
This is the most useful thing to understand about insuring an older home: the year on the deed is not the underwriting decision. A 1955 ranch with a five-year-old roof, a 200-amp panel, copper supply lines, and a modern boiler is a straightforward risk. The same house untouched since 1955 is a very different one. Underwriters build their picture from four systems.
Roof — the single most scrutinized item. Age, material, and condition drive eligibility and how the roof is settled at claim time. Electrical — service capacity, panel brand, and wiring type; the biggest eligibility blockers live here. Plumbing — supply-line material matters, with galvanized steel and polybutylene drawing concern, plus the water heater's age. Heating — the age and type of the system, and on Long Island specifically, whether there's an oil tank and where it sits.
| System | What underwriters want to see |
|---|---|
| Roof | Recent replacement, good condition |
| Electrical | Updated panel, adequate service, modern wiring |
| Plumbing | Copper or modern supply lines |
| Heating | Updated system; no unused buried tank |
| Documentation of updates | Dates, receipts, permits |
Knob-and-Tube, Aluminum Wiring, and Problem Panels
The short answer: active knob-and-tube wiring and Federal Pacific or Zinsco panels are the most common reasons an older home gets declined — and both are fixable.
Knob-and-tube wiring was the residential standard until roughly the 1940s, which puts it in play for prewar Long Island homes. Many insurers won't write a home with it still in active service; others will consider it only after a licensed electrician's inspection documents its condition, or if it's confined to a limited part of the house. Aluminum wiring, common in homes built or rewired in the 1960s and 70s, raises its own concern — the risk is at the connections, and it's typically addressed with approved connectors installed by a licensed electrician rather than a full rewire.
Panels are often the faster problem to solve. Federal Pacific Electric (FPE) Stab-Lok and Zinsco panels are widely flagged because their breakers have a documented history of failing to trip during an overcurrent — a recognized fire hazard — and many insurers decline homes that still have one in service. Original fuse boxes and undersized electrical service draw scrutiny too. Replacing a problem panel is usually a one-day job for a licensed electrician and frequently the highest-leverage insurance improvement an older home can make.
One non-negotiable: disclose what you have. If old wiring or a flagged panel isn't disclosed, you risk a misrepresentation problem that can undermine coverage exactly when you need it. Tell your agent what's there and let them place the home accurately — that's the version that actually protects you.
What About Buried Oil Tanks?
The short answer: underground oil tanks are both an underwriting concern and a serious uninsured exposure, because standard policies generally exclude pollution and contamination cleanup.
Plenty of older Long Island homes were heated with oil, and some still have the tank in the ground — occasionally one nobody remembers, left behind when the house converted to gas decades ago. Two problems follow. First, eligibility: an active or abandoned underground storage tank is a question underwriters ask about, and it can affect what's available to you. Second, and larger, the exclusion: standard homeowners policies typically exclude pollution and contamination, so if a buried tank leaks, the soil and groundwater remediation that follows generally isn't covered — and on an island that draws its drinking water from the aquifer beneath it, that remediation is taken seriously and can be expensive.
If you have or suspect a buried tank, the practical steps are worth taking now rather than later: find out whether it exists and its condition, discuss professional removal or proper abandonment with a qualified contractor, and ask your agent whether any endorsement or specialty coverage is available for tanks, since availability varies. If you're buying an older Long Island home, put the tank question directly into your due diligence — it's not something you want to inherit unknowingly.
Why Older Homes Get Depreciated Payouts
The short answer: because age drives depreciation — most visibly on roofs, where many insurers settle older roofs at actual cash value rather than replacement cost.
This is where an older home quietly costs you at claim time. Replacement cost pays what it takes to repair or replace at today's prices; actual cash value subtracts depreciation for age and wear. The gap widens with age, which is exactly why it bites hardest on older homes — and above all on roofs, where insurers commonly apply age schedules and settle older roofs at ACV even when the rest of the home is written at replacement cost. A storm-damaged 20-year-old roof can reimburse for a fraction of what a new roof costs. Our full guide to replacement cost vs. actual cash value works through the math.
There's a second wrinkle specific to older homes: some are written on a modified or HO-8 form designed for homes whose rebuild cost exceeds their market value, which typically settles on a more limited basis than a standard HO-3. That can be the right answer for a particular house, but you should know if it's what you have rather than assume you're carrying full replacement cost. Check your declarations page, and ask directly how your roof is settled.
Why Ordinance-or-Law Coverage Matters So Much Here
The short answer: because you can't rebuild a 1950s house to 1950s standards. Ordinance-or-law coverage pays the additional cost of meeting today's codes, and without it that cost is yours.
Say a covered fire damages a good portion of an older Long Island Cape. You're not permitted to restore it exactly as it stood — the rebuild has to meet current code for electrical, plumbing, insulation, egress, and structural requirements, along with anything else that's changed in the intervening decades. A standard dwelling limit is built around replacing what was there, not around the upgrade required by law. Ordinance-or-law coverage exists to close that difference, and it can also address the cost of demolishing and removing undamaged portions a code official requires you to take down.
For a home built before modern codes, this is among the highest-value endorsements available, and it's frequently either missing or carried at a token limit. It pairs naturally with insuring to today's rebuild cost — the pillar of getting an older home right, covered in our guide to New York home insurance.
A kitchen fire causes major damage to a postwar Long Island Cape. Reconstructing what was there is one number — but the town requires the rebuilt portion to meet current code: updated electrical service and wiring, modern plumbing, current insulation standards, and code-compliant egress. Those upgrades are a meaningful addition on top of the straight rebuild. With ordinance-or-law coverage, that difference is covered up to the limit selected. Without it, the homeowner pays it out of pocket to legally finish the house they already insured. (Illustrative; your policy limits, endorsements, and local code requirements determine the actual outcome.)
Which Upgrades Actually Move the Needle?
The short answer: roof first, then the electrical panel, then plumbing supply lines and heating — and document everything you've already done.
The roof is the highest-impact item, affecting eligibility, price, and whether you're settled at replacement cost or depreciated value. If yours is nearing the end of its life, replacing it proactively changes more than any other single decision. The electrical panel is next and often cheaper than people assume — swapping a flagged FPE or Zinsco panel can reopen options that were previously closed. Then plumbing (replacing galvanized or otherwise aging supply lines reduces the most common claim type there is) and heating, including resolving any unused buried tank.
The free one people skip: documentation. Dates, receipts, and permits for every update — roof, panel, boiler, repiping — turn "1952 house" into "1952 house with a 2021 roof, 2019 panel, and updated plumbing," which is a materially different risk. Keep a simple folder and give your agent the summary. Combined with the levers in our guide to Long Island home insurance discounts, updating and documenting is how older homes get priced on their actual condition rather than their birth year.
The Bottom Line on Insuring an Older Long Island Home
Age isn't the underwriting decision — condition is. Four systems carry most of the weight: roof, electrical, plumbing, and heating. The eligibility blockers that come up most often are active knob-and-tube wiring, Federal Pacific or Zinsco panels, and buried oil tanks, and each has a known fix. The coverage gaps that matter most are older roofs settled at actual cash value and a missing ordinance-or-law endorsement that leaves you paying to bring a rebuild up to current code.
None of that makes Long Island's postwar Capes and prewar colonials bad risks. It means they should be insured deliberately: update what you can starting with the roof and the panel, disclose everything honestly, document every improvement you've already made, and make sure your policy carries ordinance-or-law coverage and a dwelling limit that reflects what rebuilding actually costs today. If you're not sure where your older home stands, send us your declarations page and the list of what's been updated — we'll tell you exactly what an underwriter sees, free.
Frequently Asked Questions
Because older homes carry more of the risk factors insurers price against: aging roofs, outdated electrical and plumbing systems, older heating equipment, and construction that can cost more to rebuild to today's codes. Long Island's housing stock skews old — the postwar Capes and ranches of the Levittown era and the prewar homes of the North Shore villages — so this affects a large share of homeowners here. It doesn't make these homes uninsurable; it means underwriters look closely at specific systems, and the condition of those systems drives both price and eligibility.
Sometimes, but it narrows your options considerably. Knob-and-tube wiring was standard until roughly the 1940s, and many insurers decline homes that still have it in active service, while others will consider it only after a licensed electrician's inspection confirming condition, or if it's limited in scope. Aluminum wiring from the 1960s and 70s raises similar concerns and is often addressed with approved connectors installed by a licensed electrician. Critically, you must disclose old wiring — misrepresenting it can jeopardize coverage at claim time.
Federal Pacific Electric (FPE) Stab-Lok and Zinsco panels are the ones most commonly flagged, because their breakers have a documented history of failing to trip during an overcurrent — a recognized fire hazard. Many insurers will not write a new policy on a home with one still in service, and some require replacement before renewal. Older fuse boxes and undersized service can also draw scrutiny. If your Long Island home still has an original mid-century panel, replacing it is often the single most effective step toward better coverage options.
Generally not in the way owners hope. Standard homeowners policies typically exclude pollution and contamination cleanup, so a leaking underground storage tank — and the soil and groundwater remediation that follows — usually falls outside the policy, and cleanup obligations can be substantial. Underground tanks are also an underwriting concern that can affect eligibility. Some insurers offer limited endorsements or specialty coverage for tanks; availability varies, so ask specifically. If you have an unused buried tank, professional removal or abandonment is worth discussing.
It pays the additional cost of rebuilding to current building codes after a covered loss — the part a standard policy limit doesn't contemplate. When an older home is damaged, you generally can't rebuild it exactly as it was; today's electrical, plumbing, insulation, and structural requirements apply, and that upgrade cost can be significant. Without ordinance-or-law coverage, that difference comes out of your pocket. On a Long Island home built decades before current codes, it's one of the most valuable endorsements available.
Find Out What an Underwriter Sees in Your Older Home
Send us your declarations page and a list of what's been updated — roof, panel, plumbing, heating. We'll tell you where your older Long Island home stands, whether you have ordinance-or-law coverage, and how your roof would actually be settled. Free, no obligation.
✓ Last reviewed by the Della Agency team on . We refresh our guides quarterly — New York coverage rules, limits, and legislation change.
This guide is general information, not coverage or legal advice. Underwriting guidelines for wiring, panels, roofs, and oil tanks vary by insurer and change over time; eligibility and pricing depend on your specific home. Whether pollution, contamination, or tank-related costs are covered depends on your policy language and any endorsements \u2014 confirm in writing with your insurer. Building code requirements are set locally. Examples are illustrative, not quotes.
Written and reviewed by the Della Agency team — licensed New York insurance professionals based at 1135 Deer Park Ave, North Babylon, serving homeowners across New York State and 10+ states. The coverage concepts here are drawn from the New York State Department of Financial Services and the Insurance Information Institute, including standard HO-3 policy exclusions for wear, deterioration, and defective maintenance. Reviewed quarterly. NY license #[insert].