The Fair Share Report
27 Button Mill Rd
Upper Deerfield, NJ 08302
The town corrects for market drift once a year — but only on average. This report measures whether this house drifted with the herd or away from it.
This home's full record →Check another house →
Step 1 · Market value
Likely range $291,917 – $428,107, from 12 comparable Upper Deerfield sales in the past 18 months (home size estimated from assessor data — range widened).
Step 2 · The Director's Ratio
The state's official measure of how far Upper Deerfield assessments sit below market value — republished every October, applied town-wide. A $357,345 home should be assessed near $247,640.
Step 3 · Assessed value
Set at the last town-wide revaluation and mostly frozen since. That's $47,840 below what the ratio math suggests (19.3%).
Step 4 · The tax rate — same for every Upper Deerfield home
$1.925 Schools · 59% $1.176 County · 36% $0.189 Town · 6%
Step 5 · The bill
This home vs. every recent Upper Deerfield sale · assessed ÷ market
36%85%
Paying about right
This home's ratio lands inside Upper Deerfield's normal band. The drift hasn't singled it out — no case for a tax appeal.
The evidence · comparable sales (SR1A usable-sale records)
| Address | Sold | Price | Sq ft | Ratio |
|---|---|---|---|---|
| 19 SHADOW BROOKE DR | 2026-02 | $355,000 | 1,936 | 58.0% |
| 87 SENTRY DR | 2025-12 | $340,000 | 1,679 | 51.9% |
| 15 BIRDSALL DR | 2025-01 | $264,900 | 1,603 | 64.0% |
| 72 SENTRY DR | 2026-05 | $364,000 | 1,614 | 56.2% |
| 160 SILVER LAKE RD | 2025-06 | $230,000 | 1,568 | 73.1% |
| 86 SENTRY DR | 2025-01 | $416,500 | 1,969 | 57.0% |
| 14 DAVIS DR | 2025-06 | $345,000 | 1,583 | 51.4% |
| 14 1/2 SMITH DR | 2026-01 | $250,000 | 1,760 | 82.4% |
| 1 PATRIOT LN | 2025-02 | $318,000 | 2,292 | 69.4% |
| 8 DAWSON DR | 2025-01 | $275,000 | 1,416 | 57.9% |
| 130 SILVER LAKE RD | 2025-07 | $565,000 | 1,675 | 39.1% |
| 15 GRANADA DR | 2025-11 | $358,000 | 1,364 | 53.3% |
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