Welcome to a stately, classic Colonial set on a private, park-like setting near Union Hill Farms. Nestled on nearly 2 acres of property & backing to 8 acres of protected, town owned wooded land, this home offers exceptional privacy, serene surroundings & timeless curb appeal. A sweeping approach from Cooper Rd/Druid Hill which allows for privacy, leads to this impressive 4 BDRM, 3.5 bath residence offering over 5,600 sqft of living space. Built by the original Cedar Gate contractor, the home showcases quality craftsmanship & a commanding presence. A grand 2 story foyer sets the tone, opening to a bright, open concept layout ideal for both everyday living & upscale entertaining. The gourmet chef's kitchen features a large center island, butler's pantry with sink & sunlit breakfast area, seamlessly flowing into the expansive family room. Additional standout spaces include a sun drenched conservatory, perfect for a billiards room or lounge & a private 2nd floor office. The luxurious primary is a true retreat, complete with an oversized sitting room with fireplace & a spa-like ensuite bath. Step outside to the expansive deck, ideal for entertaining or enjoying peaceful sunrises & sunsets surrounded by nature. Full basement with endless potential, attached 3 car garage & close proximity to DWTN Denville, Union Square shopping, Morristown Green & NYC direct train access. This one-of-a-kind luxury home offers the perfect blend of privacy & convenience in the heart of Morris County.
Single-familyProperty Type
2002Year Built
1.78 acresLot Size
$196Price/Sq.Ft.
3 car garageParking
Listed by MARY SHEERAN• KELLER WILLIAMS METROPOLITAN
Est. $3,481 per month, based on comparable rentals
Sale and tax history for 20 Sleepy Hollow Rd
Sale History
Tax History
Date
Event
Price
CJMLS #2615129R
Sep 2, 2026
Sold
$1,100,000
$196/sq ft
Jun 4, 2026
Contingent
—
May 11, 2026
Listed
$1,100,000
$196/sq ft
NJMLS #26015528
Sep 2, 2026
Sold
$1,100,000
$196/sq ft
May 27, 2026
Contingent
—
May 1, 2026
Listed
$1,100,000
$196/sq ft
Welcome to a stately, classic Colonial set on a private, park-like setting near Union Hill Farms. Nestled on nearly 2 acres of property & backing to 8 acres of protected, town owned wooded land, this home offers exceptional privacy, serene surroundings & timeless curb appeal. A sweeping approach from Cooper Rd/Druid Hill which allows for privacy, leads to this impressive 4 BDRM, 3.5 bath residence offering over 5,600 sqft of living space. Built by the original Cedar Gate contractor, the home showcases quality craftsmanship & a commanding presence. A grand 2 story foyer sets the tone, opening to a bright, open concept layout ideal for both everyday living & upscale entertaining. The gourmet chef's kitchen features a large center island, butler's pantry with sink & sunlit breakfast area, seamlessly flowing into the expansive family room. Additional standout spaces include a sun drenched conservatory, perfect for a billiards room or lounge & a private 2nd floor office. The luxurious primary is a true retreat, complete with an oversized sitting room with fireplace & a spa-like ensuite bath. Step outside to the expansive deck, ideal for entertaining or enjoying peaceful sunrises & sunsets surrounded by nature. Full basement with endless potential, attached 3 car garage & close proximity to DWTN Denville, Union Square shopping, Morristown Green & NYC direct train access. This one-of-a-kind luxury home offers the perfect blend of privacy & convenience in the heart of Morris County.
GSMLS #4023479
Sep 2, 2026
Sold
$1,100,000
$196/sq ft
Jun 2, 2026
Pending
—
Apr 27, 2026
Listed
$1,100,000
$196/sq ft
NJMLS #26003719
Mar 20, 2026
Price Changed
$1,250,000
$223/sq ft
Feb 3, 2026
Listed
$1,300,000
$232/sq ft
Public Records
Feb 1, 2006
Sold
$925,000
$165/sq ft
Public Records
Jul 1, 1984
Sold
$300,000
$53/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$23,438 (+3.2%)
$256,900 + $557,200
$814,100
2025
$22,705 (+1.2%)
$256,900 + $557,200
$814,100
2024
$22,437 (+4.2%)
$256,900 + $557,200
$814,100
2023
$21,533 (+2.8%)
$256,900 + $557,200
$814,100
2022
$20,939 (+1.5%)
$256,900 + $557,200
$814,100
2021
$20,621 (+0.8%)
$256,900 + $557,200
$814,100
2020
$20,450 (+1.0%)
$256,900 + $557,200
$814,100
2019
$20,239 (+0.9%)
$256,900 + $557,200
$814,100
2018
$20,051 (+0.8%)
$256,900 + $557,200
$814,100
2017
$19,888 (+2.4%)
$256,900 + $557,200
$814,100
2016
$19,424 (−1.5%)
$256,900 + $557,200
$814,100
2014
$19,720 (+2.8%)
$274,000 + $371,100
$645,100
2013
$19,179 (+3.2%)
$274,000 + $371,100
$645,100
2012
$18,579 (+3.9%)
$274,000 + $371,100
$645,100
2011
$17,882 (+3.4%)
$274,000 + $371,100
$645,100
2010
$17,302 (+1.6%)
$274,000 + $371,100
$645,100
2009
$17,037
$274,000 + $371,100
$645,100
Public record
Beds
—
Baths
—
Stories
2
Lot width
—
Lot depth
—
Lot size
1.78 Acres
Year renovated
—
Sq. Ft.
5,614
Year built
2001
Style
Single Family Residential
County
Morris County
APN
0830803 00020
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 8, 2026.
Property details
Parking
Parking / Garage Information
# of Garage Spaces: 3
Covered Spaces: 3
Has Garage
Has Attached Garage
Has Open Parking
Parking Features: 3 Cars Deep, Asphalt, Garage, Attached, Garage Door Opener, Off Site, Driveway
Interior
Virtual Tour
Bedroom 3 Information
Bedroom Length: 25
Bedroom 4 Information
Bedroom Length: 15
Bedroom 5 Information
Bedroom Length: 15
Master Bedroom Information
Master Bedroom Length: 21
Master Bedroom Features: Sitting Area, Full Bath, Walk-In Closet(s)
Bathroom Information
# of Bathrooms (Full): 3
# of Bathrooms (1/2): 1
Dining Room Information
Dining Room: Yes
Dining Room Length: 19
Dining Room Features: Formal Dining Room
Family Room Information
Family Room Width: 18
Family Room Length: 21
Living Room Information
Living Room Length: 20
Kitchen Information
Kitchen Length: 16
Kitchen Features: Kitchen Island, Country Kitchen, Pantry, Eat-in Kitchen, Separate Dining Area
Interior Features: Blinds, Cathedral Ceiling(s), Central Vacuum, Entrance Foyer, Kitchen, Living Room, Dining Room, Family Room, 4 Bedrooms, Laundry Room, Den, Attic, None, Den/Study
Exterior
Exterior Features
Exterior Features: Open Porch(es), Deck, Patio, Enclosed Porch(es), Yard
Patio And Porch Features: Porch, Deck, Patio, Enclosed
Roof: Asphalt
Lot Information
Lot Size Acres: 1.78
Lot Size Dimensions: 200.00 x 100.00
Lot Size Area: 1.78
Lot Features: Backs to Park Land, Irregular Lot, Level, Wooded
Land Information
Water Source: Public
Property Information
Has Property Attached: No
Has Fireplace
# of Fireplaces: 2
Fireplace Features: Wood Burning
Accessibility Features: Elevator, Stall Shower, Tub Seat
Appliances: Self Cleaning Oven, Dishwasher, Dryer, Gas Range/Oven, Exhaust Fan, Microwave, Refrigerator, See Remarks, Range, Washer, Gas Water Heater
Restrictions YN: false
Building Information
Building Area Total: 5,614
Levels: Two, Three Or More
Financial
Tax Information
Tax Year: 2025
Tax Annual Amount: $22,705
Utilities
Utility Information
Gas: Natural Gas
Sewer: Public Sewer
Utilities: Electricity Connected
Heating & Cooling
Has Heating
Cooling: Central Air, Ceiling Fan(s), Zoned
Heating: Zoned, Forced Air
Public facts
Beds: —
Baths: —
Sq. Ft.: 5,614
Stories: 2.0
Lot Size: 1.78 acres
Style: Single Family Residential
Year Built: 2001
Year Renovated: —
County: Morris County
APN: 0830803 00020
Home facts updated by county records on Oct 8, 2026
Other
Listing Information
Age: 0
Service: See Remarks
Transaction Type: Sale
Around this home
Schools
Lakeview Elementary School
Public PreK-5 • Assigned • 0.4mi
8/10
Valleyview Middle School
Public 6-8 • Assigned • 3.3mi
7/10
Morris Knolls High School
Public 9-12 • Assigned • 1.4mi
6/10
Provided by GreatSchools
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
4/10 Heat Factor
6 days above 97° expected this year, 13 days in 30 years
4/10 Wind Factor
22% chance of strong winds in next 30 years
3/10 Air Factor
2 unhealthy days expected this year, 3 days in 30 years
Provided by First Street
Historical weather
Denville, NJ • 07834
Average low and high temperatures (°F)
33
20
37
23
55
34
64
43
70
52
81
62
86
67
82
60
78
57
66
46
54
37
38
25
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
91/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 7% for direct sun exposure in Denville. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
9.6 hrs
5.7 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.18M – $1.43M
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