
Estimate the dwelling replacement cost your homeowners policy should reflect, plus the supporting limits for personal property, other structures, and loss of use—based on regional rebuild costs.
Rebuild costs reflect New Jersey-area construction averages. Replacement cost differs from market value—it's what it would take to rebuild from scratch, not what the home would sell for.
Above-grade living space. Don't include garages, basements, or outbuildings here.
Detached garages, sheds, fences. Standard policies default to 10% of dwelling.
Furniture, electronics, clothing. Standard default is 50%; consider raising for high-value contents.
Hotel and additional living expenses while your home is uninhabitable. Default is 20%.
Estimated rebuild cost — the primary anchor of your homeowners policy. The supporting limits below are derived from this number.
2,400 sqft × $250/sqft (standard build)
The single most common—and most expensive—homeowners insurance mistake is insuring to market value instead of replacement cost. Market value reflects land, location, comparable sales, and the broader real estate market. Replacement cost reflects only the labor, materials, and contractor margin needed to rebuild your home from a foundation up. In coastal New Jersey, the two numbers can diverge by hundreds of thousands of dollars.
This calculator multiplies your living area by a regional construction cost per square foot, tiered by build quality. It then layers on the standard supporting coverages every homeowners policy includes: other structures (detached garages and sheds), personal property (your belongings), and loss of use (hotels, restaurants, and storage while your home is being rebuilt).
What it deliberately does not model: ordinance and law upgrades (rebuilding to current code), extended replacement cost endorsements, scheduled personal property for jewelry and collectibles, flood (always separate), wind/hurricane deductibles, or service line and equipment breakdown coverages. Those endorsements often matter more than the base premium difference between two carriers.
Your dwelling estimate sets a starting point for contents coverage; a room-by-room inventory can help refine it.
Coverage A is the foundation, but the right endorsements—and a competent carrier—are what determine how a claim actually pays. Bring your number; we'll quote the market.
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