Beautifully landscaped w/ renovated colonial on nearly 2 flat acres L-shaped property. Newer roof, 3 BR septic, well pump, HVAC (natural gas), kitchen, baths, electrical, plumbing & paving all completed in 2018. Whole house generator installed 2020. 1st fl features formal LR & DR, laundry, full bath + EIK with granite tops & SS appl, opens to the fam room w/ woodburning stone FPL. Upstairs features 3 spacious BRs +2 baths. Primary suite w/ cathedral ceiling features large WIC & ensuite bath w/ walk-in shower, & skylight. Bonus rm adj to primary BR could be used as a office or a 4th BR. 41X33 Amish Barn w/ high overhead doors offers countless opportunities (car collector, gym, ultimate workshop). Extensive professional landscaping allows for privacy as you soak in the relaxing newer outdoor hot tub! Must see to appreciate. Newly paved circular driveway w/ ample parking. Convenient to downtown Boonton, Denville, highways, mass transit options. Located in Mountain Lakes HS district
Public Records
Jan 3, 2020
Sold
$600,000
GSMLS #3378283
Apr 26, 2017
Sold
$250,000
Apr 13, 2017
Delisted
—
Apr 11, 2017
Listed
$254,900
NJMLS #2
Nov 6, 2015
Price Changed
$399,000
Sep 28, 2015
Price Changed
$429,000
Sep 16, 2015
Price Changed
$449,000
Sep 16, 2015
Price Changed
$429,000
Public Records
Aug 12, 1999
Sold
$272,000
Public Records
Aug 28, 1986
Sold
$158,000
Public Records
May 1, 1980
Sold
$50,000
Year
Property tax
Land + Additions
Assessment*
2026
$13,251 (+1.9%)
$267,300 + $245,300
$512,600
2025
$13,010 (+5.9%)
$267,300 + $245,300
$512,600
2024
$12,287 (+1.2%)
$267,300 + $245,300
$512,600
2023
$12,145 (+2.1%)
$267,300 + $223,000
$490,300
2022
$11,900 (+2.2%)
$267,300 + $223,000
$490,300
2021
$11,645 (+1.2%)
$267,300 + $223,000
$490,300
2020
$11,507 (+1.4%)
$267,300 + $223,000
$490,300
2019
$11,350 (+5.2%)
$267,300 + $223,000
$490,300
2018
$10,794 (+1.5%)
$267,300 + $223,000
$490,300
2017
$10,636 (+1.3%)
$267,300 + $211,600
$478,900
2016
$10,497 (+0.5%)
$267,300 + $211,600
$478,900
2014
$10,449 (+2.6%)
$267,300 + $211,600
$478,900
2013
$10,181 (+2.1%)
$267,300 + $211,600
$478,900
2012
$9,968 (+2.1%)
$312,100 + $220,400
$532,500
2011
$9,766 (+3.3%)
$312,100 + $220,400
$532,500
2010
$9,457 (+0.9%)
$312,100 + $220,400
$532,500
2009
$9,377
$312,100 + $220,400
$532,500
Tax history for 427 Rockaway Valley Rd
Year
Property tax
Land + Additions
Assessment*
2026
$13,251 (+1.9%)
$267,300 + $245,300
$512,600
2025
$13,010 (+5.9%)
$267,300 + $245,300
$512,600
2024
$12,287 (+1.2%)
$267,300 + $245,300
$512,600
2023
$12,145 (+2.1%)
$267,300 + $223,000
$490,300
2022
$11,900 (+2.2%)
$267,300 + $223,000
$490,300
2021
$11,645 (+1.2%)
$267,300 + $223,000
$490,300
2020
$11,507 (+1.4%)
$267,300 + $223,000
$490,300
2019
$11,350 (+5.2%)
$267,300 + $223,000
$490,300
2018
$10,794 (+1.5%)
$267,300 + $223,000
$490,300
2017
$10,636 (+1.3%)
$267,300 + $211,600
$478,900
2016
$10,497 (+0.5%)
$267,300 + $211,600
$478,900
2014
$10,449 (+2.6%)
$267,300 + $211,600
$478,900
2013
$10,181 (+2.1%)
$267,300 + $211,600
$478,900
2012
$9,968 (+2.1%)
$312,100 + $220,400
$532,500
2011
$9,766 (+3.3%)
$312,100 + $220,400
$532,500
2010
$9,457 (+0.9%)
$312,100 + $220,400
$532,500
2009
$9,377
$312,100 + $220,400
$532,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Beds
—
Baths
—
Stories
2
Lot width
—
Lot depth
—
Lot size
1.97 Acres
Year renovated
—
Sq. Ft.
2,750
Year built
1903
Style
Single Family Residential
County
Morris County
APN
0231103 00002
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Oct 8, 2026.
Property details
Exterior
Lot Information
Approximate Lot Size: 1.97
Public facts
Beds: —
Baths: —
Sq. Ft.: 2,750
Stories: 2.0
Lot Size: 1.97 acres
Style: Single Family Residential
Year Built: 1903
Year Renovated: —
County: Morris County
APN: 0231103 00002
Home facts updated by county records on Oct 8, 2026
Other
Listing Information
Attribution Contact: 973-838-6990
Around this home
Schools
Rockaway Valley Elementary School
Public PreK-8 • Assigned • 0.7mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
5/10 Flood Factor
Estimated 16-24% chance 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
5/10 Heat Factor
7 days above 97° expected this year, 16 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
Boonton, NJ • 07005-9175
Average low and high temperatures (°F)
34
20
37
23
55
34
63
43
70
52
81
62
85
67
81
60
77
58
66
46
54
37
38
25
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 8.6 hours in
June and 4.1 hours in December, placing it below the
U.S. average for solar exposure.
8.6 hrs
4.1 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$814,000 – $985,000
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