Marlboro's tax story has a twist worth understanding, because the headline number can mislead you in both directions.
Per the New Jersey Treasury's 2025 general tax rates, Marlboro's general rate is 2.564 per $100, which looks steep. But the number that matters is the effective rate, which the state calculates against true market value, and Marlboro's is about 1.689%. That's because assessed values here run high relative to the nominal rate. For an in-demand Monmouth County township, 1.689% is genuinely favorable, below Matawan, Hazlet, Keansburg, and most of the Bayshore, and below the New Jersey median.
In real dollars, plan on roughly $1,690 per $100,000 of a home's market value. So an $850,000 Marlboro home runs about $14,400 a year. Staten Island's effective rate sits near 0.85%, so the same house on the Island runs closer to $7,200.
The honest read: the tax bill roughly doubles coming off the Island, no getting around it. But among the desirable towns you'd actually consider in this part of Monmouth, Marlboro's effective rate is on the friendlier end. You're paying for one of the best districts in the county, and the rate is more reasonable than the sticker implies.
The planning piece: the higher carrying cost is exactly what we run the math on before you fall for a listing. Your Staten Island sale proceeds, the new monthly reality, and the district premium all have to line up before you write an offer. That's a conversation worth having early.