Property Tax Guide for $150k+ Homeowners

A $900,000 home generates a $6,120 annual property tax bill in a low-rate market and a $20,070 bill in New Jersey. Same house, same price, a $13,950 yearly difference driven entirely by where the deed sits.

That spread is the single largest controllable line item in homeownership cost that most $150k+ buyers never model before signing. Mortgage rates get scrutinized to the basis point. Property tax — a permanent, compounding, locally-set expense — gets treated as a footnote on the closing disclosure. The numbers below come from the Tax Foundation (2024 tax year, published March 2026) and the Lincoln Institute of Land Policy’s 50-State Property Tax Comparison Study for taxes paid in 2024. I pulled the county-level figures directly from the Tax Foundation’s published dataset rather than secondary aggregators, because the spread between vintages matters at this price point.

The numbers that matter at a glance

Sources: Tax Foundation, Property Taxes by State and County (2024 tax year, published March 2026); IRS / One Big Beautiful Bill Act, enacted July 2025. Effective rate × home value calculations by Finluxy.

What the effective tax rate actually buys you

Effective tax rate is the annual property tax bill expressed as a percentage of the home’s market value. It is the only number that travels across markets. A mill rate of 25 in one town and 18 in another tells you nothing without the assessment ratio behind each — which is why the effective property tax rate by county is the comparison metric professionals use. (A mill rate is the tax per $1,000 of assessed value; one mill equals $1 per $1,000.)

New Jersey leads the country at a 2.23% effective tax rate, followed by Illinois at 2.08% and Connecticut at 1.79%, per Tax Foundation 2024 data. At the other end, Hawaii sits at 0.27%, Alabama near 0.39%, and Nevada and Colorado around 0.50%. The national median runs roughly 1.08%, the figure that anchors the burden index later in this piece.

Run those rates against a single price point and the consequence is stark. On a $900,000 home — a reasonable primary residence for a household clearing $150k in a coastal metro — the New Jersey bill is $20,070 a year. The same house in Hawaii owes $2,430. Over a ten-year hold, that gap compounds to roughly $176,400 in nominal tax dollars before any reassessment growth, and property tax bills rarely fall.

Source: Tax Foundation, Property Taxes by State and County (2024 tax year). State effective rates are statewide averages; California’s statewide effective rate reflects Proposition 13 assessment caps and varies widely by purchase recency. 10-year totals assume no reassessment growth and are nominal, not present-valued. Calculations by Finluxy.

Texas deserves a flag. It carries no state income tax, which markets itself as a tax haven, but its 1.47% effective property tax rate sits well above the national median. The trade-off is real and quantifiable — a high earner relocating from California to Texas may swap a large state income tax bill for a large property tax bill, and the New Jersey vs Texas property tax comparison shows the math rarely favors the assumption that “no income tax” means “low tax.”

The Finluxy Property Tax Burden Index

Raw rates are hard to feel. The Finluxy Property Tax Burden Index converts each market’s effective tax rate into a multiple of the national median (1.08%), so a single number tells you how punishing a location is relative to the typical American homeowner. The formula: local effective tax rate ÷ 1.08%. A reading of 1.0 means you pay the national median. Above 1.5 marks a high-tax market; below 0.5 marks a low-tax market.

Finluxy Property Tax Burden Index = local effective tax rate ÷ 1.08% national median (Lincoln Institute / Tax Foundation baseline). Effective rates: Tax Foundation, 2024 tax year. Index calculated by Finluxy.

The index makes the relocation question concrete. A New Jersey homeowner carries 2.06 times the national-median burden; moving to a sub-median market does not shave a few points off a bill, it cuts the burden by roughly two-thirds. For households weighing where to plant a long-term primary residence, that multiple is the cleanest available summary of a 30-year cost commitment.

The SALT cap rewrote the deduction math in 2025

Most property tax coverage still runs on the old assumption: state and local tax (SALT) deductions capped at $10,000, with anything above that delivering zero federal benefit. That changed. The One Big Beautiful Bill Act, signed in July 2025, raised the SALT deduction cap to $40,000 for tax years 2025 through 2029, reverting to $10,000 in 2030 unless Congress extends it again.

For a $150k+ household, this is the most consequential property tax development in a decade — and it carries a phase-out that lands precisely on this income band. The $40,000 cap begins reducing for taxpayers with modified adjusted gross income above $500,000, shrinking by 30% of the excess MAGI over that threshold, but never falling below $10,000. A household at $600,000 MAGI sees the cap cut by $30,000 of excess × 30%, landing at a $28,000 deductible ceiling. The SALT cap impact on property tax deduction value now hinges as much on income as on the tax bill itself.

Source: One Big Beautiful Bill Act, enacted July 2025; SALT cap reduced by 30% of MAGI exceeding $500,000, floored at $10,000. Modeling by Finluxy. SALT includes state income tax plus property tax combined.

Here is the implication that matters. A household earning $300,000 in New Jersey with a $20,070 property tax bill and, say, $18,000 in state income tax was previously deducting only $10,000 of a $38,070 combined liability. Under the 2025 rules, that household can now deduct $38,070 in full — the entire amount sits under the $40,000 cap and below the $500,000 phase-out. At a 32% federal marginal rate, the incremental deduction above the old $10,000 ceiling is worth roughly $8,982 in federal tax savings annually. That is not a footnote.

What most coverage overlooks: the within-state spread dwarfs the headline

State rankings dominate the conversation, but the county-level data tells a sharper story. Illinois carries a 2.08% statewide effective rate — yet the Tax Foundation’s 2024 county figures show Winnebago and Lake counties at 2.28% and 2.26%, while Hardin County sits at 0.83%. That is a within-state spread wider than the gap between many entire states.

The practical consequence: a buyer who fixates on the state-level number and assumes uniformity inside it can overpay by thousands annually on an identical home two counties over. In California, the dispersion is structural rather than geographic — Proposition 13 caps assessed value growth, so two neighbors in identical homes can owe wildly different bills based purely on purchase date. The California Prop 13 effect on luxury buyers means a recent purchaser is assessed near market value while a long-tenured neighbor pays on a decades-old basis. The difference between market and assessed value is where this entire system lives, and it is the lever most homeowners never pull.

Source: Tax Foundation, Property Taxes by State and County (2024 tax year, ACS 5-year estimates). County examples illustrate range, not exhaustive ranking. Calculations by Finluxy.

The appeal lever and what it’s worth

Assessed value is the figure your jurisdiction uses to calculate the bill — not the price you paid, not the Zillow estimate, but the assessor’s number. When assessed value exceeds true market value, you are overpaying, and the correction is mechanical: over-assessment × effective tax rate = annual savings.

The math scales with both the rate and the error. A $900,000 home over-assessed by $100,000 in a 2.23% New Jersey market overpays $2,230 every year until corrected — and because reassessments often roll forward, a successful appeal compounds. Filing a property tax appeal (called a property tax protest in Texas, where the term is the legal one) carries deadlines that vary by county and are frequently missed. The higher the effective tax rate, the larger the dollar return on a successful appeal, which inverts the usual intuition: high-tax markets are exactly where the appeal effort pays best. Pairing an appeal with available homeowner property tax exemptions compounds the benefit further.

Practical context for the $150k+ household

At this income level, property tax is not an affordability gate — it is a portfolio decision. The relevant questions are different from those a median-income buyer faces. Three thresholds drive the analysis.

First, the location decision is a multi-decade cost lock. A Finluxy Property Tax Burden Index reading of 2.06× in New Jersey versus 0.66× in California is not a marginal preference; on a $900,000 home it is the difference between $20,070 and $6,390 a year, and it compounds across a 30-year hold while income-tax exposure shifts with earnings but property tax persists into retirement when income may fall. Households planning to age in place should weight the property tax burden far more heavily than the income tax comparison that dominates relocation calculators.

Second, the 2025 SALT change is a closing window. The $40,000 cap is legislated to expire in 2030, and the phase-out above $500,000 MAGI means the benefit is largest for households in the $150k–$500k band — squarely this audience. For those carrying high property tax bills in high-tax states, the deduction is currently worth thousands annually that it was not worth in 2024, and that value is scheduled to disappear. Buyers at the upper end approaching $750,000 MAGI should model the deduction at the $10,000 floor, not the headline $40,000, before assuming federal relief offsets a high bill. For owners of property tax on $2M+ homes, where bills routinely exceed the cap regardless of phase-out, the deduction ceiling is effectively fixed and the location decision matters more, not less.

Third, the appeal and exemption levers are underused precisely by this group. High earners often treat a four-figure annual overpayment as beneath attention, yet the effort-to-return ratio on a successful appeal in a high-rate market is among the best available in personal finance — a few hours of documentation against a recurring, compounding saving. The data shows the system rewards engagement and penalizes the assumption that the assessed number is correct. Whether the right move is an appeal, a relocation, or simply timing a purchase against Prop 13-style assessment caps depends on the specific jurisdiction and a household’s own income trajectory, and those are precisely the variables a tax professional familiar with local assessment practice can price before a purchase closes.