National Register of Historic Places - New Jersey (NJ), Mercer County

Mercer County New Jersey (Historic Districts) has 29 places on the National Register of Historic Places including 2 places of National significance and 4 places of Statewide significance. Significant places include Lawrenceville School, Princeton Battlefield-Stony Brook Village Historic District (Boundary Increase II), Delaware and Raritan Canal, Princeton Battlefield Historic District (Boundary Increase) and State House District.

Several famous people are associated with these Mercer County historic places including HEnry Greenland and Thornton Wilder.

Some of the country's most noteable architects helped create the Mercer County places including Peabody & Stearns, Fredick Law Olmsted, John Notman, J. Osborne Hunt, Hugh A. Kelly, Pennington Satterthwaite, Eldridge G. Weir, Howard Russell Butler, Frederick Law Olmstead and Charles Follen McKim. Prominent architectural styles found in Mercer Country are Late Victorian, Colonial and Federal.

Bear Tavern Road--Jacob's Creek Crossing Rural Historic District (added 2011 - - #11000872)

Bear Tavern Rd. & Jacobs Creek Rd. (Hopewell & Ewing Townships), Somerset

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architectural Style:

Georgian, Federal

Area of Significance:

Architecture, Invention, Transportation, Engineering, Military, Agriculture

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1825-1849, 1800-1824, 1750-1799, 1700-1749

Berkeley Square Historic District (added 1980 - - #80002499)

Roughly bounded by W. State St., Parkside, Riverside, and Overbrook Aves. , Trenton

Smallbones, CC0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering

Architect, builder, or engineer:

Weir,Eldridge G.

Architectural Style:

Colonial Revival, Bungalow/Craftsman, Late Victorian

Area of Significance:

Architecture, Community Planning And Development

Period of Significance:

1900-1924, 1875-1899

Owner:

Private

Historic Function:

Domestic

Historic Sub-function:

Single Dwelling

Current Function:

Domestic

Current Sub-function:

Multiple Dwelling, Single Dwelling

Delaware and Raritan Canal (added 1973 - - #73001105)

Follows the Delaware River to Trenton, then E to New Brunswick , Lambertville

Zeete, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

No Style Listed

Area of Significance:

Transportation, Engineering, Commerce

Period of Significance:

1900-1924, 1875-1899, 1850-1874, 1825-1849

Owner:

State

Historic Function:

Domestic, Transportation

Historic Sub-function:

Single Dwelling, Water-Related

Current Function:

Domestic, Landscape

Current Sub-function:

Park, Single Dwelling

Downtown Trenton Commercial Historic District (added 2025 - - #100011495)

W. and E. State St., N. and S. Broad St., E. Hanover St., S. Montgomery St. and S. Warren St., Trenton

send us a photo to share

Area of Significance:

Architecture

Drake Farmstead-Brookdale Farm (Additional Documentation) (added 2024 - - #100010797)

Also known as Stony Brook-Millstone Watershed Association, Watershed Institute

31 Titus Mill Road, Hopewell Township

send us a photo to share

Area of Significance:

Architecture, Social History

Harbourton Historic District (added 1974 - - #74001167)

Jct. of Harbourton/Rocktown Rd. and Harbourton/Mt. Airy Rd. , Harbourton

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

No Style Listed

Area of Significance:

Architecture

Period of Significance:

1825-1849, 1800-1824, 1750-1799

Owner:

Private

Historic Function:

Commerce/Trade, Domestic, Religion

Historic Sub-function:

Department Store, Religious Structure, Single Dwelling

Current Function:

Domestic, Religion

Current Sub-function:

Religious Structure, Single Dwelling

Jugtown Historic District (added 1987 - - #86003670)

Nassau and Harrison Sts., Harrison St. N, and Evelyn Pl. , Princeton Borough

Smallbones, CC0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

Early Republic, Colonial Revival, Colonial

Area of Significance:

Education, Architecture, Commerce

Period of Significance:

1900-1924, 1825-1849, 1750-1799

Owner:

Private

Historic Function:

Commerce/Trade, Domestic

Historic Sub-function:

Single Dwelling

Current Function:

Domestic

Current Sub-function:

Single Dwelling

Kingston Mill Historic District (added 1986 - - #86000707)

Roughly bounded by Herrontown, River, Princeton-Kingston Rds., and lots W of Princeton Twp. , Princeton

Zeete, CC BY-SA 4.0, via Wikimedia Commons

Historic Significance:

Event, Person, Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

Federal, Colonial, Late Victorian

Historic Person:

Greenland,HEnry

Area of Significance:

Exploration/Settlement, Engineering, Transportation, Industry

Period of Significance:

1875-1899, 1850-1874, 1825-1849, 1800-1824, 1750-1799, 1700-1749, 1650-1699

Owner:

Private, Local

Historic Function:

Agriculture/Subsistence, Domestic, Industry/Processing/Extraction

Historic Sub-function:

Agricultural Outbuildings, Manufacturing Facility, Secondary Structure, Single Dwelling

Current Function:

Agriculture/Subsistence, Domestic

Current Sub-function:

Agricultural Outbuildings, Single Dwelling

Lake Carnegie Historic District (added 1990 - - #90001000)

Roughly bounded by Lake Carnegie shoreline from Conrail bridge at W end to dam W of Kingston at E end , Princeton

TheCatalyst31, Public domain, via Wikimedia Commons

Historic Significance:

Event

Area of Significance:

Landscape Architecture, Entertainment/Recreation

Period of Significance:

1925-1949, 1900-1924

Owner:

Private, State, Local

Historic Function:

Recreation And Culture, Transportation

Historic Sub-function:

Outdoor Recreation, Road-Related, Sport Facility

Current Function:

Recreation And Culture, Transportation

Current Sub-function:

Outdoor Recreation, Road-Related, Sport Facility

Lawrence Township Historic District (added 1972 - - #72000799)

Also known as See Also:Lawrenceville School

Lawrenceville and vicinity N, including both sides of U.S. 206 , Lawrenceville

Smallbones, Public domain, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering, Person

Architect, builder, or engineer:

Olmstead,Frederick Law, Peabody & Stearns

Architectural Style:

Mid 19th Century Revival, Colonial, Federal

Historic Person:

Wilder,Thornton

Area of Significance:

Transportation, Literature, Architecture, Landscape Architecture, Military

Period of Significance:

1925-1949, 1875-1899, 1850-1874, 1825-1849, 1800-1824, 1750-1799

Owner:

Private

Historic Function:

Domestic, Education

Historic Sub-function:

School, Single Dwelling

Current Function:

Domestic, Education

Current Sub-function:

School, Single Dwelling

Lawrenceville School (added 1986 - - #86000158)

Also known as Lawrenceville School National Historic Landmark;See Also:Law

Main St. , Lawrenceville

Daderot, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering

Architect, builder, or engineer:

Olmsted,Fredick Law, Peabody & Stearns

Architectural Style:

Other, Romanesque, Queen Anne

Area of Significance:

Architecture

Period of Significance:

1875-1899

Owner:

Private

Historic Function:

Education

Historic Sub-function:

Educational Related Housing, School

Current Function:

Education

Current Sub-function:

Educational Related Housing, School

Mill Hill Historic District (added 1977 - - #77000880)

Also known as See Also:Douglass House;Mercer Street Friends Center

Roughly bounded by Clay, Jackson, Front, Market, Broad, and Greenwood Sts. , Trenton

Smallbones, CC0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

Greek Revival, Queen Anne, Second Empire

Area of Significance:

Military, Architecture, Commerce

Period of Significance:

1875-1899, 1850-1874, 1825-1849, 1750-1799

Owner:

Private, Local

Historic Function:

Commerce/Trade, Defense, Domestic, Industry/Processing/Extraction

Historic Sub-function:

Battle Site, Business, Manufacturing Facility, Single Dwelling

Current Function:

Domestic

Current Sub-function:

Single Dwelling

Mountain Avenue Historic District (added 1995 - - #94001604)

73--143 Mountain Ave. , Princeton

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architectural Style:

Late 19th And Early 20th Century American Movements, Late 19th And 20th Century Revivals, Late Victorian

Area of Significance:

Community Planning And Development, Architecture

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1825-1849

Owner:

Private

Historic Function:

Agriculture/Subsistence, Domestic

Historic Sub-function:

Agricultural Fields, Secondary Structure, Single Dwelling

Current Function:

Domestic

Current Sub-function:

Secondary Structure, Single Dwelling

Phillips, Joseph, Farm (added 1977 - - #77000879)

Also known as Howell Farm

N of Titusville on Hunter Rd. , Titusville

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architect, builder, or engineer:

Unknown

Architectural Style:

No Style Listed

Area of Significance:

Agriculture, Architecture

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1800-1824, 1700-1749

Owner:

Local

Historic Function:

Domestic

Historic Sub-function:

Secondary Structure, Single Dwelling

Current Function:

Domestic, Recreation And Culture

Current Sub-function:

Museum, Secondary Structure, Single Dwelling, Sport Facility

Pleasant Valley Historic District (added 1991 - - #91000676)

Also known as See Also:Phillips, Joseph, Farm

Centered on jct. of Pleasant Valley Rd. with Woodens Ln. and Hunter Rd., Hopewell and West Amwell Twps. , Lambertville

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Information Potential, Architecture/Engineering, Event

Architect, builder, or engineer:

Unknown

Architectural Style:

Other, Georgian

Area of Significance:

Historic - Non-Aboriginal, Exploration/Settlement, Agriculture, Architecture

Cultural Affiliation:

Early American

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1825-1849, 1800-1824, 1750-1799, 1700-1749

Owner:

Private, Local

Historic Function:

Agriculture/Subsistence

Historic Sub-function:

Agricultural Fields, Agricultural Outbuildings, Animal Facility, Processing

Current Function:

Agriculture/Subsistence, Domestic

Current Sub-function:

Agricultural Fields, Agricultural Outbuildings, Animal Facility, Single Dwelling

Princessville Inn (added 1982 - - #80002497)

E of Lawrenceville at 3510 Princeton Pike , Lawrenceville

send us a photo to share

Historic Significance:

Event

Area of Significance:

Politics/Government

Period of Significance:

1875-1899, 1850-1874, 1800-1824

Owner:

Local

Historic Function:

Domestic

Historic Sub-function:

Hotel

Current Function:

Vacant/Not In Use

Princeton Battlefield Historic District (Boundary Increase) (added 1989 - - #89000761)

Also known as Princeton Battlefield--Stony Brook Village Historic District

Roughly Quaker Rd. from Stockton Rd. to Stony Brook , Princeton

send us a photo to share

Historic Significance:

Event

Area of Significance:

Military, Exploration/Settlement

Period of Significance:

1750-1799, 1700-1749, 1650-1699

Owner:

Private

Historic Function:

Defense, Domestic

Historic Sub-function:

Battle Site, Single Dwelling

Current Function:

Domestic, Education

Current Sub-function:

Research Facility, Single Dwelling

Princeton Battlefield-Stony Brook Village Historic District (Boundary Increase II) (added 2019 - - #100003698)

Also known as Princeton Battlefield-D'Ambrisi Property, 28-Me-393

Address Restricted, Princeton

send us a photo to share

Area of Significance:

Military, Archeology, Historic - Non-Aboriginal

Princeton Historic District (added 1975 - - #75001143)

Also known as See Also:Nassau Hall;Henry,Joseph,House;Morven;President`s H

Irregular pattern between Lytle St. and Haslet Ave. from Lovers Lane to Olden Sts. , Princeton

Elisa.rolle, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Person, Event, Architecture/Engineering

Architect, builder, or engineer:

Multiple

Architectural Style:

Mid 19th Century Revival, Late Victorian, Colonial

Historic Person:

Multiple

Significant Year:

1783, 1825, 1747

Area of Significance:

Transportation, Education, Politics/Government, Invention, Agriculture, Architecture, Landscape Architecture, Literature, Commerce, Communications

Period of Significance:

1825-1849, 1750-1799, 1700-1749

Owner:

Private, Local

Historic Function:

Commerce/Trade, Domestic, Education, Funerary, Transportation

Historic Sub-function:

Cemetery, College, Rail-Related, Water-Related

Current Function:

Commerce/Trade, Domestic, Education, Funerary, Recreation And Culture, Transportation

Current Sub-function:

Cemetery, College, Monument/Marker, Rail-Related

Princeton Historic District (Boundary Increase) (added 2017 - - #100001395)

Also known as Princeton Eating Clubs

62 Washington Rd., Princeton

send us a photo to share

Historic Significance:

Event, Architecture/Engineering

Architect, builder, or engineer:

Multiple, McKim, Charles Follen, Cope, Walter

Architectural Style:

Tudor Revival, Other

Riverview Cemetery (added 2017 - - #100000810)

870 Centre Street, Trenton

KLOTZPLATE, CC BY-SA 4.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering

Architectural Style:

Art Deco, Mixed (More Than 2 Styles From Different Periods)

Area of Significance:

Landscape Architecture

Period of Significance:

1858-1950 AD

Roebling's, John A., Sons Company, Trenton N.J., Block 3 (added 2012 - - #12000528)

Bounded by Hamilton Ave., Clark, Elmer, & E. Canal Sts., Trenton

Djkeddie, CC BY-SA 4.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering, Person

Architectural Style:

Italianate, International Style

Historic Person:

Roebling, Charles G.

Area of Significance:

Architecture, Engineering, Industry, Transportation

Period of Significance:

1925-1949, 1900-1924

State House District (added 1976 - - #76001161)

Also known as See Also:State House Historic District (Boundary Increase)

Roughly bounded by Capitol Plaza, Willow, State and Lafayette Sts. , Trenton

Smallbones, CC0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering, Event

Architect, builder, or engineer:

Notman,John,et al.

Architectural Style:

Greek Revival, Beaux Arts, Late Victorian

Area of Significance:

Military, Politics/Government, Architecture

Period of Significance:

1875-1899, 1825-1849, 1750-1799

Owner:

Private, State

Historic Function:

Commerce/Trade, Domestic, Education, Government

Historic Sub-function:

Capitol, College, Government Office, Single Dwelling

Current Function:

Commerce/Trade, Domestic, Education, Government

Current Sub-function:

Capitol, College, Government Office, Multiple Dwelling

State House Historic District (Boundary Increase) (added 1992 - - #92000295)

Also known as State House Annex;See Also:State House District

W. State St. S side, W of New Jersey State House , Trenton

send us a photo to share

Historic Significance:

Architecture/Engineering, Event

Architect, builder, or engineer:

Kelly,Hugh A., Hunt,J. Osborne

Architectural Style:

Classical Revival

Area of Significance:

Politics/Government, Architecture

Period of Significance:

1925-1949

Owner:

State

Historic Function:

Education, Government, Recreation And Culture

Historic Sub-function:

Courthouse, Government Office, Library, Museum

Current Function:

Government

Current Sub-function:

Government Office

Stockton Street Historic District (added 2005 - - #05001331)

126-136 Stockton St., 219-237 Rogers Ave. , Hightstown

Rcbutcher, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering, Event

Architectural Style:

Queen Anne, Gothic

Area of Significance:

Transportation, Architecture

Period of Significance:

1900-1924, 1875-1899, 1850-1874, 1825-1849

Owner:

Local, Private

Historic Function:

Domestic, Recreation And Culture, Religion

Historic Sub-function:

Monument/Marker, Religious Structure, Single Dwelling

Current Function:

Domestic, Recreation And Culture, Religion

Current Sub-function:

Monument/Marker, Religious Structure, Single Dwelling

The Old School Baptist Church and Cemetery of Hopewell (added 2024 - - #100011029)

Also known as Old Baptist Meetinghouse, First Baptist Church of Hopewell, Old Brick, Hopewell Baptist

46 West Broad Street, Hopewell Borough

send us a photo to share

Area of Significance:

Architecture, Art

Titusville Historic District (added 1983 - - #83001604)

River Dr. , Titusville

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Architecture/Engineering, Event

Architectural Style:

Other, Greek Revival, Late Victorian

Area of Significance:

Architecture, Transportation, Industry, Religion

Period of Significance:

1850-1874, 1825-1849

Owner:

Private

Historic Function:

Commerce/Trade, Domestic, Industry/Processing/Extraction, Transportation

Historic Sub-function:

Manufacturing Facility, Rail-Related, Single Dwelling, Specialty Store

Current Function:

Commerce/Trade, Domestic, Education, Religion

Current Sub-function:

Religious Structure, School, Single Dwelling

Trenton Ferry Historic District (added 2013 - - #13000355)

Roughly bounded by S. Broad & Federal Sts., Delaware R. & Amtrak NW Corridor, Trenton

KLOTZ, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event, Architecture/Engineering, Information Potential

Architectural Style:

Early Republic, Late Victorian

Area of Significance:

Architecture, Historic - Non-Aboriginal, Commerce, Community Planning And Development, Transportation

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1825-1849, 1800-1824, 1750-1799, 1700-1749

Windsor Historic District (added 1992 - - #88001710)

Roughly bounded by properties along Main St. and Church St. , Windsor

Cesherman, CC BY-SA 3.0, via Wikimedia Commons

Historic Significance:

Event

Area of Significance:

Commerce, Transportation, Exploration/Settlement

Period of Significance:

1925-1949, 1900-1924, 1875-1899, 1850-1874, 1825-1849

Owner:

Private, Local

Historic Function:

Commerce/Trade, Domestic, Religion

Historic Sub-function:

Religious Structure, Single Dwelling

Current Function:

Commerce/Trade, Domestic, Religion

Current Sub-function:

Religious Structure, Single Dwelling