21 William St, Summit, NJ 07901
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Property image
OFF MARKET

21 William St
Summit, NJ 07901

  • 4 Beds
  • 2 Baths
  • 1,600 sqft

$974,900

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $6,690/mo*
Refinance Your Home

$974,900

Trulia Estimate
as of Aug 14, 2026
Est. Refi. Payment $6,690/mo*
Refinance Your Home
4 Beds
2 Baths
1,600 sqft

Home Value

Trulia Estimate
$975K
Since last month
Decreased$27K (-2.7%)
Since last year
Decreased$4K (-0.4%)
Since last sale
Increased$507K (+107.1%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +85% in the last 10 years
MonthEstimated value
2026
August 2026$980K
July 2026$988K
June 2026$1.01M
May 2026$1.01M
April 2026$958K
March 2026$948K
February 2026$955K
January 2026$962K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
133 Morris Ave, Summit, NJ
0.31
Single-Family Home
$615,000
05/26/26
4
2
-
18 Ashwood Ave, Summit, NJ
0.35
Single-Family Home
$847,000
11/14/25
3
2
-
12 Valemont Way, Summit, NJ
0.31
Single-Family Home
$750,000
07/06/26
3
2
-
28 Mountain Ave, Summit, NJ
0.09
Single-Family Home
$1,300,000
09/16/25
5
4.5
4,301
1 Irving Pl, Summit, NJ
0.37
Single-Family Home
$1,025,000
04/17/26
4
3
-
29 ASHWOOD AVENUE, Summit, NJ
0.34
Single-Family Home
$700,000
03/06/26
3
1
-
1 Baltusrol Pl, Summit, NJ
0.32
Single-Family Home
$619,900
06/01/26
3
1
-
62 MOUNTAIN AVE, Summit, NJ
0.21
Single-Family Home
$1,325,000
03/20/26
5
4
-
3 Oak Ridge Ave, Summit, NJ
0.08
Single-Family Home
$1,360,000
06/30/26
5
4
-
64 Tulip St, Summit, NJ
0.44
Single-Family Home
$1,089,000
04/24/26
2
2
-

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
23 William St, Summit, NJ 07901
0.02
$1,200,000
Studio
-
-
Recently Sold
17 WILLIAM STREET, Summit, NJ 07901
0.02
$1,344,100
Studio
-
-
Off Market
26 Mountain Ave, Summit, NJ 07901
0.08
$1,795,000
6
4.5
-
For Sale
28 Mountain Ave, Summit, NJ 07901
0.09
$2,795,000
5
4.5
4,301
For Sale
3 Oak Ridge Ave, Summit, NJ 07901
0.08
$1,360,000
5
4
-
Recently Sold
5 William St, Summit, NJ 07901
0.06
$809,500
Studio
-
-
Off Market
3 MOUNTAIN AVENUE, Summit, NJ 07901
0.06
$899,500
Studio
-
-
Off Market
20 Sayre St, Summit, NJ 07901
0.10
$1,267,100
5
3
-
Off Market
45 Mountain Ave, Summit, NJ 07901
0.13
$1,607,200
4
3
-
Off Market
16 Oak Ridge Ave, Summit, NJ 07901
0.13
$2,400,400
6
5
-
Off Market
47 Mountain Ave, Summit, NJ 07901
0.14
$1,372,700
4
3
-
Off Market
5 Doremus St, Summit, NJ 07901
0.14
$1,314,700
4
3
-
Off Market

Local Information

  • Map ViewExplore the area around 21 William St.
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1920
Living Area
1,600 sqft
Price/Sqft
$609

About this House

A beautiful renovation from top to bottom, this stunning residence house features 4 bedrooms, 2 new full baths, a new kitchen, and new hardwood flooring. Ideally located just blocks to the Summit NJ Transit train station and one block to Overlook Hospital.

Tenant pays for gas, electricity, and snow removal.
21 William St, Summit, NJ 07901 is a 4 bedroom, 2 bathroom, 1,600 sqft single-family home built in 1920. It last sold for $473,000 on Oct 26, 2017. More recently, it was listed as a rental in February 2018 with an asking price of $2,950 per month. That rental listing was removed on March 24, 2021. It is currently off market. The Trulia Estimate is $974,900, with a rent estimate of $5,470/month.

Home Details for 21 William St

Interior Features

Levels, Entrance, & Accessibility
Stories: 2Floors: Hardwood
Appliances & Utilities
DryerWasher

Property Information

Year Built
Year Built: 1920
Property Type / Style
Property Type: Single Family Home

Exterior Features

Exterior Home Features
Exterior: Wood
Parking & Garage
Parking: Off Street

Community

Units in Building: 2

Lot Information

Lot Area: 5000 sqft

Price and Tax history

DateEventPrice
Mar 24, 2021
Source: N/A
ListingRemoved
Mar 25, 2018
Source: N/A
ListingRemoved
$2,950
Feb 4, 2018
Source: N/A
Listed For Rent
$2,950
Oct 26, 2017
Source: N/A
Sold
$473,000
Jun 2, 2017
Source: Agent Provided
ListingRemoved
$518,400

Market trends in Summit

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.49M
$193KMoM
Sale-to-List Price
—
Price per sq ft
$719
Available listings
33
5MoM
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Around this home

What Locals Say about Summit

At least 243 Trulia users voted on each feature.

  • 91 % Say it's dog friendly

  • 82 % Say people would walk alone at night

  • 82 % Say there's holiday spirit

  • 79 % Say car is needed

  • 76 % Say it's walkable to restaurants

  • 75 % Say kids play outside

  • 74 % Say yards are well-kept

  • 73 % Say parking is easy

  • 71 % Say it's quiet

  • 70 % Say there are sidewalks

  • 66 % Say they plan to stay for at least 5 years

  • 62 % Say streets are well-lit

  • 61 % Say there's wildlife

  • 61 % Say there are community events

  • 58 % Say neighbors are friendly

  • 42 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Sfeoli34
    "There are alot of couples with young children so its nice if you have a family or starting one. Its a dog friendly neighborhood and we do block parties etc.. Yet its pretty quiet. Park near bye. "
    1
    Flag
  • Elliotwilbur
    "Great place to raise a family. Public school system is excellent. Numerous commuting options to Manhattan. "
    1
    Flag
  • maria08827
    "It’s very nice, clean and safe . Everyone is nice and friendly! It has a beautiful safe park across the street which is very clean and active. Also close to everything!"
    1
    Flag
  • Anita
    "Summit is a charming town where practical meets comfort. The community is friendly and diverse. Lots of families, singles and dogs. "
    8
    Flag
  • Davidthompsonjr
    "Easy ride to train station and best commuter line in nj. Penn station is crappy but if you can do ferry from hoboken it’s nice."
    2
    Flag
  • Pololas2019
    "the people walk the dogs and is a really nice neighborhood to live i recommended to buy a house in this area "
    1
    Flag
  • Unspecified
    "People take pride in their homes. Family friendly. Very safe. Lived here for 2 years, so happy with the community. "
    1
    Flag
  • Davidthompsonjr
    "Nice town, ppl, and amenities. Great schools and good place to raise your kids. Express trains to the city, makes a difference relative to other areas in nj. "
    0
    Flag
  • Davidthompsonjr
    "Great town to raise a family. Close to best nj commute. Good restaurants in town. Good access to highways. "
    2
    Flag
  • Marcelo N.
    "I love summit best city to live in, respectful people, clean , no crime , no racism or classism . Just a wonderful city"
    0
    Flag
  • Mary T. Z.
    "Street Fairs are very nice in this town. The farmers market is great too! Events at the playhouse are wonderful."
    3
    Flag
  • Randall.lauren
    "This is a very family friendly neighborhood. The restaurants, coffee shops, parks and other amenities are all well suited to families. "
    3
    Flag
  • Samantha Q.
    "We have festivals, block parties, concerts and movie nights in the park. Our neighbors are always outside going for walks, our kids always find other kids to play with!"
    2
    Flag
  • Slong0717
    "Bike parades, kids events. Amazing downtown area. Lots of activities for kids. Easy to commute to NYC. "
    2
    Flag
  • Scott H.
    "There are a lot of dogs around and most are friendly. I wish there was a space for them to run off lead. "
    2
    Flag
  • Rehav
    "less than 10 mins walk to train that goes right to nyc. 3 min drive to get onto Routes 24 and 78. Cant be beat!!"
    2
    Flag
  • EF
    "Lots of friendly dogs and owners to walk with. Park nearby. Quiet streets. Fun dog store in downtown summit. "
    0
    Flag
  • Melissa C.
    "what dog owners like about his neighborhood would be that the doggies would meet other doggies and get along quite nicely and the backyards very spacious "
    0
    Flag
  • Thayesmail
    "Great family neighborhood. Great schools. Great recreation program. Convenient commute to NYC & Airport. "
    0
    Flag
  • layton m.
    "Great, direct line into New York City makes it a quick, convenient and easy commute. I think it’s the best commute into nyc in New Jersey"
    4
    Flag
  • Jhuneke
    "We are in a surprisingly quiet block, despite being on a major thoroughfare, and close to downtown, train station. "
    1
    Flag
  • Laura
    "It’s safe, clean and easy commute to the city, mountains or beach. Very centrally locates. Love it here. Just wish it wasn’t so expensive in this area!!"
    2
    Flag
  • Samantha H.
    "Kind people who are always willing to help each other. Access to fields, train, and walking to downtown. Kids all walk to school. "
    0
    Flag

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Apartments for Rent

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Explore by feature - Pet Friendly

12 pet-friendly rentals in Summit, NJ

Explore by feature - Garage

19 rentals with a garage in Summit, NJ

Explore by feature - Air Conditioning

33 rentals with air conditioning in Summit, NJ

Explore by feature - Washer/dryer

29 rentals with a washer/dryer in Summit, NJ

Homes for sale near 21 William St

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Off Market Homes Near 21 William St

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Frequently asked questions about 21 William St

  • What is 21 William St estimated to be worth?
    Trulia's estimated value for 21 William St in Summit, NJ is $974,900.
  • What is the price history for 21 William St?
    21 William St in Summit, NJ last sold for $473,000 in October 2017.
  • Is Summit a buyer's or seller's market?
    Summit is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Summit?
    The median sale price in Summit is $1.49M. That is up $193K from the prior month.
  • Does 21 William St have laundry facilities?
    Yes, 21 William St in Summit, NJ has in-unit laundry.
  • How big is the lot at 21 William St?
    The lot at 21 William St in Summit, NJ is about 0.11 acres (5,000 sq ft).