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240 Library Pl, Princeton, NJ, 08540

7beds
8baths
0sqft
$3,675,000
--price/sqft
$26,396/moest. monthly cost
$1,055,840/yrincome needed

About This Home

On a corner lot in the heart of the famous Western Section, a mere half-mile from bustling downtown and Princeton University's world-class campus, astonishing artistry and a fascinating history combine for a home like no other. As refined as it appears from the courtyard entry, it only gets more impressive as you continue through the array of rooms discovering storied mantelpieces, carved woodwork and imported fixtures along the way. The deep grounds also never fail to surprise and delight all who are lucky enough to spend a day relaxing by the Roman-style pool or dining on the stone terrace. The lawn and formal garden have even hosted tented celebrations for hundreds with ease. The 1840 house welcomes you into the foyer, where a mural's softly colored tree branches reach toward an unusually high ceiling. The living room is large enough for a combination of seating areas or even billiards, as the current set-up shows. Pocket doors allow a view of the library's elaborately detailed woodwork while seated in the classically styled dining room. Plenty of sunshine and radiant heat keep the marble-clad family room from ever feeling chilly. New quartz countertops freshen up the crisp white kitchen with a wealth of storage around every turn. A breezeway connects the three-car garage and leads to a pool house like no other, where glass and crystal creations custom-made in Paris by the artisans of Lalique conjure a magical underwater fantasy world. Carved sea creatures whimsically watch over the gathering space served by a full kitchen, wine cellar and bathrooms worthy of Poseidon himself! Above, a playroom/gym provides plenty of space for healthy indoor recreation. The upper levels of the main house hold seven bedrooms served by five baths. The largest and airiest of those bedrooms radiate from the light-filled landing, along with an office beyond fanlight-topped pocket doors. The main suite has it all: dressing room, fireplace, marble bath, sunroom and a deck overlooking a trickling water feature and stunning trees that put on an autumnal show. This is your chance to leave your mark on one of the Western Section's finest showplaces. The property's tax assessment has been reduced.

Getting Around

47
WalkingCar-Dependent
0
TransitVery Limited Transit
65
BikeBikeable

Schools

9/10
8/10
Princeton High SchoolGrades 9-120.9 mi

Construction

Condition

  • Year built: 1840

Materials

  • Foundation: Block
  • Roof: Metal,Slate
  • Construction materials: Stucco

Type & Style

  • Home type: SingleFamily
  • Architectural style: Colonial
  • Property subType: Single Family Residence

Interior

Appliances

  • Appliances included: Cooktop,Oven,Double Oven,Self Cleaning Oven,Dishwasher,Refrigerator,Dryer,Extra Refrigerator/Freezer,Stainless Steel Appliance(s),Washer,Gas Water Heater
  • Laundry features: Laundry Room

Basement

  • Has basement: Yes
  • Basement: Unfinished

Bedroom2

  • Level: Upper
  • Area: 306
  • Dimensions: 17 X 18

Bedroom3

  • Level: Upper
  • Area: 216
  • Dimensions: 12 X 18

Bedroom4

  • Level: Upper
  • Area: 104
  • Dimensions: 8 X 13

Bedroom5

  • Level: Upper
  • Area: 143
  • Dimensions: 11 X 13

Bedroom6

  • Level: Upper
  • Area: 280
  • Dimensions: 14 X 20

Bedrooms & Bathrooms

  • Bedrooms: 7
  • Bathrooms: 8
  • Full bathrooms: 7
  • 1/2 bathrooms: 1
  • Main level bathrooms: 3

Breakfast Room

  • Level: Main
  • Area: 162
  • Dimensions: 9 X 18

Dining Room

  • Level: Main
  • Area: 294
  • Dimensions: 21 X 14

Exercise Room

  • Level: Upper
  • Area: 931
  • Dimensions: 19 X 49

Family Room

  • Level: Main
  • Area: 378
  • Dimensions: 14 X 27

Features

  • Primary Bath(s),Butlers Pantry,Bar,Bathroom - Stall Shower,Dining Area,Breakfast Area,Cedar Closet(s),Crown Molding,Curved Staircase,Pantry,Recessed Lighting,Soaking Tub,Bathroom - Tub Shower,Upgraded Countertops,Walk-In Closet(s),Wine Storage,Additional Stairway,Built-in Features,Ceiling Fan(s),Family Room Off Kitchen,Floor Plan - Traditional,Formal/Separate Dining Room,Eat-in Kitchen,Kitchen - Gourmet,9'+ Ceilings,Vaulted Ceiling(s)
  • Window features: Skylight(s),Window Treatments
  • Flooring: Wood,Ceramic Tile,Tile/Brick,Heated,Marble
  • Number of fireplaces: 5
  • Fireplace: Yes
  • Finished area below ground: 0
  • Finished area above ground: 0

Foyer

  • Level: Main
  • Area: 420
  • Dimensions: 12 X 35

Great Room

  • Level: Main
  • Area: 408
  • Dimensions: 17 X 24

Heating & Cooling

  • Heating features: Forced Air,Zoned,Natural Gas
  • Cooling features: Central Air,Zoned,Natural Gas

Interior Area

  • Total structure area: 0

Kitchen

  • Level: Main
  • Area: 240
  • Dimensions: 12 X 20

Laundry

  • Level: Lower
  • Area: 506
  • Dimensions: 23 X 22

Library

  • Level: Main
  • Area: 357
  • Dimensions: 17 X 21

Living Room

  • Level: Main
  • Area: 630
  • Dimensions: 18 X 35

Office

  • Level: Upper
  • Area: 143
  • Dimensions: 11 X 13

Other

  • Level: Upper
  • Area: 460
  • Dimensions: 23 X 20

Other

  • Level: Upper
  • Area: 198
  • Dimensions: 11 X 18

Other

  • Level: Main
  • Area: 55
  • Dimensions: 5 X 11

Other

  • Level: Main
  • Area: 84
  • Dimensions: 7 X 12

Other

  • Level: Upper
  • Area: 162
  • Dimensions: 9 X 18

Primary Bedroom

  • Level: Upper
  • Area: 234
  • Dimensions: 13 X 18

Property

Accessibility

  • Accessibility features: None

Details

  • Parcel number: 1400005 0200022
  • Zoning: RESIDENTIAL
  • Special condition: Standard
  • Exclusions: See Listing Agent

Features

  • Levels: Three
  • Stories: 3
  • Private pool: Yes
  • Pool features: In Ground,Private
  • Patio & porch: Patio
  • Exterior features: Lawn Sprinkler,Balcony
  • Has spa: Yes
  • Spa features: Hot Tub
  • Fencing: Partial

Lot

  • Lot size: 1.05 Acres
  • Features: Corner Lot,Level,Front Yard,Rear Yard,SideYard(s)
  • Lot size dimensions: 0.00 x 0.00

Parking

  • Total spaces: 3
  • Parking features: Inside Entrance,Gravel,Driveway,Attached
  • Has garage: Yes
  • Attached garage spaces: 3
  • Covered spaces: 3
  • Has uncovered spaces: Yes

Climate Risk is Financial Risk

Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.

Biggest Threats for This Home

  • Strong Wind
    Strong WindModerate
  • Winter Weather
    Winter WeatherModerate

How This Home’s Risks Compare

Strong Wind
Winter Weather

FEMA Declared Disasters Across New Jersey Counties

Fire
Severe Storm

Understanding the Costs

Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.

Estimated Costs Today

MonthlyAnnual
Mortgage $18,582$222,984
Home Insurance *$1,037$12,444
Property Taxes $6,584$79,008
Electricity $193$2,318
Total$26,396$316,752
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$905,005/yr
40% on housing$791,880/yr
45% on housing$703,893/yr

New Jersey FAIR Plan Programs

New Jersey Insurance Underwriting Association

Covered
WildfireWildfire
HailHail
WindWind
Visit Website →
Current Policies
Residential: 7,029Commercial: 173
Total Premiums$5.54M
Total Exposure$1.19B

How Costs Could Change Over Time

Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.

Insurance Growth Rate5-year average: 10.3%
10.3%
0%30.0%
Electricity Growth Rate10-year average: 7.1%
7.1%
0%15.0%
Property Taxes Growth Rate2-year average: -1.8%
-1.8%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

--This listing

vs Other Active Listings

Avg $/sqft

ZIP 08540$471
Mercer County$272

vs Homes Sold Last Month

Median $/sqft

ZIP 08540$399
Mercer County$281

Current Market Trends

Median Price Per Square Foot

The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.

Historicals for This Listing

Zestimate History ($/sqft)

Price History

DateEventPrice
2026-06-05Listed for sale$3,675,000
2026-04-09Contingent$3,750,000
2026-04-07Listed for sale$3,750,000
2025-12-24Listing removed$3,750,000
2025-02-22Listed for sale$3,750,000
2024-07-16Listing removed--
2024-04-08Price change$3,975,000
2024-03-22Listed for sale$4,100,000
2023-11-04Listing removed$4,100,000
2023-09-27Price change$4,100,000
2023-07-09Listed for sale$4,500,000
1995-09-14Sold$575,000

For Sale by Agent

AgentMaura Mills
BrokerageCallaway Henderson Sotheby's Int'l-Princeton

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