Northbrook property tax appeal 2026

Northbrook streets

Streets with at least 15 homes we check. Each street page lists its homes.

• Shermer Rd10% of 295 homes
• Dundee Rd3% of 250 homes
• Valencia Dr0% of 241 homes
• Walters Ave30% of 238 homes
• Maple Ave44% of 232 homes
• Oak Ave44% of 228 homes
• S Mission Hills Rd0% of 221 homes
• E Mission Hills Rd0% of 218 homes
• Pheasant Creek Dr0% of 209 homes
• Rudolph Rd0% of 207 homes
• N Mission Hills Rd0% of 174 homes
• Illinois Rd49% of 164 homes
• Cherry Ln22% of 153 homes
• Farnsworth Ln27% of 151 homes
• Provenance Way21% of 136 homes
• W Mission Hills Rd0% of 116 homes
• Crabtree Ln58% of 106 homes
• Lindenwood Ln25% of 106 homes
• Ct Of Harborside27% of 105 homes
• Western Ave32% of 103 homes
• Sanders Rd6% of 98 homes
• Techny Rd17% of 96 homes
• Lake Cook Rd1% of 91 homes
• Midway Rd25% of 91 homes
• Voltz Rd26% of 91 homes
• Crestwood Dr42% of 90 homes
• Washington Dr0% of 90 homes
• Woodlawn Rd45% of 89 homes
• Pointe Dr0% of 86 homes
• Cedar Ln47% of 85 homes
• Kingsley Cir11% of 84 homes
• Dell Rd22% of 82 homes
• Butternut Ln66% of 76 homes
• Picardy Dr23% of 74 homes
• Tudor Ln0% of 73 homes
• Rutgers Ln21% of 72 homes
• Landwehr Rd17% of 71 homes
• Whirlaway Dr39% of 70 homes
• Bordeaux Dr33% of 69 homes
• Dunsten Cir25% of 68 homes

Questions

When is the Northbrook property tax appeal deadline in 2026?

Northbrook is split between Northfield Township and Wheeling Township; your assessment notice says which one your home is in. Northfield Township: file with the Cook County Board of Review by November 6, 2026. Evidence is due by November 16, 2026. Wheeling Township: file with the Cook County Assessor by October 22, 2026.

How many homes in Northbrook are assessed higher than similar homes?

Of 15,679 homes we checked against the county's 2026 values, 4,069 (26%) come up assessed higher than similar homes nearby or above what similar homes sold for. Among those, the median estimated saving is about $965 a year.

Does it cost anything to appeal?

No. Filing with the Cook County Assessor and with the Board of Review is free, and homeowners can file for themselves without a lawyer.

How do I check my Northbrook home?

Type your address in the box on this page. The check is free, takes about 10 seconds, and compares your home with similar homes nearby using the county's own records.