42 Knollwood Ave Madison, NJ 07940 / 1745

Residence for Single Family

(UPDATED: 04/24/2025)
Property Report

Information about property on 42 Knollwood Ave, Madison NJ, 07940-1745. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

An extensive single-family two residence at 42 Knollwood Avenue, Madison, NJ.

Facts

  • Built in 1941
  • Lot size 0,29 acres
  • Floor size 2,226 sqft
  • Construction Frame
  • Stories 2 story
  • Exterior Home Features
  • Exterior material Wood
  • Parking & Garage
  • Parking Garage

Misc

  • Units 1

Listing info

  • Last sold Oct 1995 for $317,500

Householders and Tenants for 42 Knollwood Ave, Madison NJ

Possible residents contact details

Person Name Phone Number Additional Info
Andrew P Helfrich
973-966-****
George P Helfrich Age: 73
973-722-****
Residential status:
Homeowner
Joan E Helfrich Age: 75
973-966-****
Residential status:
Homeowner
Job:
Service Occupations
Lauren Helfrich Age: 43
973-966-****
Residential status:
Homeowner
Job:
Professional/Technical

Cost estimate history

YearTaxAssessmentMarket
2014 N/A $645,900 N/A
2013 $11,329 N/A N/A

Where is 42 Knollwood Ave, Madison NJ located on map?

Knollwood Ave Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2025
20 Nov 2012 Gas leak (natural gas or LPG)
Property Use —
1 or 2 family dwelling
28 Aug 2011 Building or structure weakened or collapsed
Property Use —
1 or 2 family dwelling

Properties Nearby

Street AddressResidens/Landlords
4 Knollwood Ave, Madison, NJ 07940-1708
Single Family Residential
  • Lot: 0.29 acres
  • Built in 1952
Adam Bengali, Glenn Catlin
37 Knollwood Ave, Madison, NJ 07940-1743
Single Family Residential
  • 4 beds
  • 3 baths
  • 1,873 sqft
  • Built in 1953
Mary Kennedy, Josh T Marcy
38 Knollwood Ave, Madison, NJ 07940-1745
Single Family Residential
  • 3 beds
  • 2 baths
  • Lot: 6,251 sqft
  • Built in 1948
Jennifer Cartrini, Sal A Cartrini
39 Knollwood Ave, Madison, NJ 07940-1743
Single Family Residential
  • 1,951 sqft
  • Built in 1938
Flannigan Karen Magnani, Karen L Magnani
41 Knollwood Ave, Madison, NJ 07940-1743
Single Family Residential
  • 3 beds
  • 2.5 baths
  • 1,832 sqft
  • Built in 1941
Zrichner J, Joel E Zeichner
43 Knollwood Ave, Madison, NJ 07940-1743
Single Family Residential
  • 4 beds
  • 2.5 baths
  • 2,800 sqft
  • Built in 1938
Kevin A Catlin, Leigh A Catlin
44 Knollwood Ave, Madison, NJ 07940-1745
Single Family Residential
  • 4 beds
  • 1,917 sqft
  • Built in 1941
Betty C Boberg, Richard E Boberg
48 Knollwood Ave, Madison, NJ 07940-1746
Single Family Residential
  • 1,932 sqft
  • Built in 1928
Angela M Esposito, Diane E Esposito
49 Knollwood Ave, Madison, NJ 07940-1744
Single Family Residential
  • Lot: 9,374 sqft
  • Built in 1951
Morton Epstein MD, Charlene A Epstein
50 Knollwood Ave, Madison, NJ 07940-1746
Single Family Residential
  • 3 beds
  • Lot: 6,251 sqft
  • Built in 1929
Claire C Falciani, Leslie Falciani
 

FAQ about the house at 42 Knollwood Ave, Madison, NJ


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