101 Mercer St, Jersey City
Four-family · built c. 1853 · Block 12804, Lot 3.
Building permits
- Alteration, issued Jan 28, 2026, estimated cost $49K, described as “EMERGENCY PERMIT REQUEST: We will remove the existing back lower roof (underneath deck) and install a new epdm roofing system with new plywood decking. We will also remove the existing siding and install new Hardie Board siding in the back”
- Alteration, issued May 8, 2025, estimated cost $9K, described as “Replace two 50 gal gas powervent water heaters”
- Alteration, issued Apr 23, 2024, estimated cost $5K, 3 stories, described as “1" water service replacement (house water meter to city water main) exterior plumbing only”
- Alteration, issued Dec 31, 2015, described as “Interior alteration to single family townhouse”
- Alteration, issued Dec 10, 2012, described as “UST removal-(1000-gal).”
- Alteration, issued Oct 17, 2006, described as “New Roof”
- Alteration, issued Apr 27, 1999, described as “4 emergency lights”
Property taxes
- Assessment
- $1,931,500
- 2025 tax
- $45,101
- Assessed land
- $779,000
- Assessed improvements
- $1,152,500
- Last sale
- $3,250,000 in 2024
Zoning
H (Historic District).
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 11 ft (NAVD88).
Recent sales
- Feb 28, 2024: $3,250,000, 3,024 sq ft, sold with other lots
Open-market sales since mid-2019, from the state’s SR1A sales file.
Landmarks
Part of Van Vorst Park Historic District (Jersey City historic district).
Board and land use applications
- Historic Preservation Commission case H-25-0347: Application, Approved, applied Aug 14, 2025. We will remove the existing lower back roof (underneath deck) and install a new epdm roofing system with new plywood decking. We will also remove the existing siding and install new Hardie Board siding in the back of the property.
- Historic Preservation Commission case H-24-0138: Application, Approved, applied Mar 28, 2024. 1" WATER SERVICE REPLACEMENT (HOUSE WATER METER TO CITY WATER MAIN) EXTERIOR PLUMBING ONLY