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APN: 13 6 🟢 Tier 1: Verified Full Cadastral Dossier Investor / Non-Owner Occupied

81 SQUAM RD

NANTUCKET, MA 02554 • Nantucket County Jurisdiction

Financial & Assessment Core

Assessor Fair Market Value

$22,323,900

Taxable Assessed Value

$22,323,900

Est. Benchmark Tax (Unadjusted)

$49,113 / yr

at 0.22% benchmark baseline

Check Tax Equity Comps →

Cadastral Land Area

1 sq ft

0.00 Acres

County Assessment Equity Comparison

Assessed at $22,323,900 — +1509.5% above the Nantucket County Census median ($1,387,000).

County Median Tax $2,985 / yr

Cadastral Attributes & Deed Registry

Recorded Legal Owner	BRITANNIA NANTUCKET INC
Mailing Address	100 HIGH STREET STE 2400, BOSTON MA
Land Classification	1093
Improvement Share	32% Structure • 68% Land
Legal Description	MULTI Waterfront

Federal Regulatory Footprint Tier 3 (ZIP 02554 Regional Footprint)

Environmental & Workplace Safety Hazard Radar

1.0-Mile Spatial Corridor Analysis & EPA/OSHA Compliance Record

100 / 100

Grade D • High Industrial Hazard / Active Violations

Environmental & Safety Assessment for 81 SQUAM RD: This parcel carries a calculated Regulatory Risk Score of 100/100 (Grade D — High Industrial Hazard / Active Violations). Spatial analysis (Tier 3 (ZIP 02554 Regional Footprint)) tracks 22 federally regulated industrial and commercial facilities within a 1.0-mile radius, including 0 facilities flagged for Significant Non-Compliance (SNC) by the EPA. Cumulative federal environmental penalties recorded within this corridor total $0.00.

Nearby Regulated Industrial & Commercial Facilities (12 closest within 1.0 mile)

Facility Name & Registry ID	Distance	EPA Compliance Status	Permit Classifications	Penalties
NANTUCKET HARBOR SHIMMO AND PLUS PARCELS SEWER EXTENSION ID: 110070112928 • SHIMMO AREA	0.33 mi	In Compliance	WATER	$0
U. S. COAST GUARD STATION BRANT POINT ID: 110070432020 • 10 EASTON ST	0.76 mi	In Compliance	HAZ_WASTE	$0
NANTUCKET BOAT BASIN ID: 110070155010 • SWAIN'S WHARF	0.82 mi	In Compliance	WATER	$0
ISLAND HARBOR FARM LLC ID: 110071840786 • NEW WHALE ST	0.83 mi	In Compliance	HAZ_WASTE	$0
DON ALLEN AUTO SERVICE INC ID: 110008403539 • 24 POLPIS RD	0.83 mi	In Compliance	HAZ_WASTE	$0
NANTUCKET SHIP CHANDLERY CORP ID: 110008419201 • OLD SOUTH WHARF	0.84 mi	In Compliance	HAZ_WASTE	$0
HARBOR FUEL OIL CORPORATION ID: 110008415848 • NEW WHALE ST	0.85 mi	In Compliance	AIR,HAZ_WASTE	$0
STOP & SHOP SUPERMARKET 2413 ID: 110070120816 • 9 SALEM ST	0.89 mi	In Compliance	HAZ_WASTE	$0
NANTUCKET ELECTRIC SUBSTATION ID: 110002478514 • 5 CANDLE STREET	0.91 mi	In Compliance	AIR,HAZ_WASTE	$0
NANTUCKET SEWAGE COLLECTION SYSTEM ID: 110064873178 • TOWNWIDE	0.92 mi	In Compliance	WATER	$0
SURFSIDE BEACH ID: 110051858147 •	0.92 mi	In Compliance	STANDARD	$0
SEASCONSET W W T F ID: 110013740158 • OFF MILESTONE & LOW BEACH ROAD	0.92 mi	In Compliance	WATER	$0

Tax Equity Assessment Comps & Appeal Intelligence

🎯 Inequity Identified (4 Verified Comps)

81 SQUAM RD is cataloged under the Nantucket County, MA property tax appraisal roll with an assessor fair market valuation of $22,323,900. Structural improvements constitute 32% ($7,068,600) of total parcel value, with allocated land value accounting for 68% ($15,255,300). Based on the prevailing MA benchmark tax rate of 0.22%, estimated annual ad valorem taxes are approximately $49,113/year.

Assessed Land Valuation Baseline

$7,634,139.0182 / sq ft

Pure Cadastral Land Allocation ($15,255,300)

Plat Equity Disparity

Up to 50.6% Lower

Avg 46.5% reduction across 4 comps

Est. Potential Tax Rollback

$15,606 / yr

Immediate relief against certified assessment roll

Verified Pure Land Comparables (Private Holdings on Immediate Plat):

Comparable APN	Street Address / Owner	Land Area	Certified Land Value	Land Rate / sq ft	Inequity Gap
VERIFIED COMP 13 33	58 SQUAM RD 58 SQUAM INDUSTRIES LLC	1 sq ft	$3,838,500	$3,769,517.8238	-50.6%
VERIFIED COMP 13 35	66 SQUAM RD FUCHSBERG ALAN L & ROBIN S	1 sq ft	$3,165,500	$4,055,733.5042	-46.9%
VERIFIED COMP 13 33.1	56 SQUAM RD 56 SQUAM CA HOUSE LLC	1 sq ft	$3,822,100	$4,161,694.2509	-45.5%
VERIFIED COMP 13 4.2	85 SQUAM RD SQUAM ASSOCIATES	3 sq ft	$12,099,700	$4,342,257.3120	-43.1%

⚖️ Certified Valuation Inequity Evidence for Assessment Appeal

Under Massachusetts property tax statutes and county appraisal equalization guidelines, demonstrating certified neighboring parcels on your immediate tax plat with lower land valuation rates per square foot establishes statutory evidence of unequal assessment. Reference these 4 verified comparables in your formal appeal.

Read Appeal Filing Guide →

Nearby Properties in Nantucket County

Adjacent Property & Address	City	Just Valuation
58 SQUAM RD, NANTUCKET, MA	NANTUCKET	$6,188,100
56 SQUAM RD, NANTUCKET, MA	NANTUCKET	$9,636,700
60 SQUAM RD, NANTUCKET, MA	NANTUCKET	$7,451,500
66 SQUAM RD, NANTUCKET, MA	NANTUCKET	$3,823,000
36 SQUAM RD, NANTUCKET, MA	NANTUCKET	$769,100
53 SQUAM RD, NANTUCKET, MA	NANTUCKET	$5,713,700