Property Tax Radar
60173

Cook County, IL · 2025

635 homes in this zip may be paying too much in property taxes — a collective ~$47.6M above the neighborhood median.

The typical flagged property is overassessed by ~$55,510. Overassessments range from ~$8,670 to ~$511,000. 74 properties have recent purchase price evidence — the strongest argument at a Board of Review hearing. Ownwell can file your appeal and handle everything — no upfront cost, you only pay if you save.

Appeal windows vary by township, March–November 2026. Find your township's open window at cookcountyassessor.com.

Flagged

635

properties

Median

$55,510

overassessment

Max

$511,000

overassessment

Sale evidence

74

properties

Flagged Properties Sorted by Overassessment · 635 Total
350 VERDE DR

SCHAUMBURG, IL

~$511,000 Read report →
957 E THACKER ST

SCHAUMBURG, IL

~$255,745 Read report →
758 STONEWALL CT

SCHAUMBURG, IL

~$253,000 Read report →
814 STONEWALL CT

SCHAUMBURG, IL

~$253,000 Read report →
771 STONEWALL CT

SCHAUMBURG, IL

~$253,000 Read report →
772 STONEWALL CT

SCHAUMBURG, IL

~$253,000 Read report →
761 STONEWALL CT

SCHAUMBURG, IL

~$252,820 Read report →
751 STONEWALL CT

SCHAUMBURG, IL

~$252,820 Read report →
953 E THACKER ST

SCHAUMBURG, IL

~$235,988 Read report →
959 E THACKER ST

SCHAUMBURG, IL

~$220,424 Read report →
754 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
756 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
810 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
812 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
775 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
773 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
764 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
766 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
774 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
776 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
786 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
788 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
798 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
800 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
765 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
763 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
755 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
753 STONEWALL CT

SCHAUMBURG, IL

~$202,400 Read report →
352 VERDE DR

SCHAUMBURG, IL

~$200,343 Read report →
119 CORSAIRE LN

SCHAUMBURG, IL

~$198,583 Read report →
955 E THACKER ST

SCHAUMBURG, IL

~$188,863 Read report →
29 NICOLETTE AVE

SCHAUMBURG, IL

~$185,000 Read report →
1356 LORRAINE PL

SCHAUMBURG, IL

~$175,569 Read report →
1364 LORRAINE PL

SCHAUMBURG, IL

~$175,569 Read report →
1341 E THACKER ST

SCHAUMBURG, IL

~$175,569 Read report →
752 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
808 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
777 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
762 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
768 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
778 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
784 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
790 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
796 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
802 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
767 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
757 STONEWALL CT

SCHAUMBURG, IL

~$155,310 Read report →
226 VERDE DR

SCHAUMBURG, IL

~$152,749 Read report →
764 WHALOM LN 5A1

SCHAUMBURG, IL

~$149,530 Read report →
951 E THACKER ST

SCHAUMBURG, IL

~$146,312 Read report →
1723 COLUMBINE DR

SCHAUMBURG, IL

~$140,936 Read report →
829 E PLUMWOOD DR

SCHAUMBURG, IL

~$139,005 Read report →
233 VERDE DR

SCHAUMBURG, IL

~$137,003 Read report →
1305 ST CLAIRE PL

SCHAUMBURG, IL

~$130,448 Read report →
1509 SANDBURG DR

SCHAUMBURG, IL

~$129,804 Read report →
754 WHALOM LN 6B2

SCHAUMBURG, IL

~$128,696 Read report →
124 MICHELLE PL

SCHAUMBURG, IL

~$127,929 Read report →
779 WHALOM LN 1B1

SCHAUMBURG, IL

~$127,710 Read report →
323 LEXINGTON CT

SCHAUMBURG, IL

~$125,763 Read report →
837 WINFAL DR

SCHAUMBURG, IL

~$125,621 Read report →
1335 BECKETT LN

SCHAUMBURG, IL

~$125,569 Read report →
61 NICOLETTE AVE

SCHAUMBURG, IL

~$125,569 Read report →
1367 MICHELLE CIR

SCHAUMBURG, IL

~$125,569 Read report →
73 NICOLETTE AVE

SCHAUMBURG, IL

~$124,459 Read report →
1701 CAMELLIA LN

SCHAUMBURG, IL

~$123,509 Read report →
1524 PETERSHAM LN

SCHAUMBURG, IL

~$123,277 Read report →
212 WOBURN LN

SCHAUMBURG, IL

~$123,277 Read report →
236 SOUTHWICK LN

SCHAUMBURG, IL

~$122,010 Read report →
303 LEXINGTON CT

SCHAUMBURG, IL

~$120,973 Read report →
400 JASON LN

SCHAUMBURG, IL

~$120,183 Read report →
51 GERMAINE PL

SCHAUMBURG, IL

~$119,911 Read report →
810 WINFAL DR

SCHAUMBURG, IL

~$118,076 Read report →
765 WHALOM LN 2C1

SCHAUMBURG, IL

~$117,510 Read report →
772 WHALOM LN 5C2

SCHAUMBURG, IL

~$117,510 Read report →
639 WHALUM LN 9E

SCHAUMBURG, IL

~$117,500 Read report →
415 WOODCROFT LN

SCHAUMBURG, IL

~$117,031 Read report →
464 THACKER CT

SCHAUMBURG, IL

~$116,679 Read report →
258 BRIDLEWOOD CT

SCHAUMBURG, IL

~$114,290 Read report →
423 WOODCROFT LN

SCHAUMBURG, IL

~$113,990 Read report →
820 E PLUMWOOD DR

SCHAUMBURG, IL

~$113,990 Read report →
200 SOUTHWICK LN

SCHAUMBURG, IL

~$113,277 Read report →
750 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
806 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
779 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
760 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
770 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
780 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
782 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
792 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
794 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
804 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
769 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
759 STONEWALL CT

SCHAUMBURG, IL

~$113,120 Read report →
829 WINFAL DR

SCHAUMBURG, IL

~$111,758 Read report →
832 SEERS DR

SCHAUMBURG, IL

~$111,257 Read report →
848 DIGHTON LN

SCHAUMBURG, IL

~$110,460 Read report →
829 DIGHTON LN

SCHAUMBURG, IL

~$110,460 Read report →
705 WHALUM LN 7-C

SCHAUMBURG, IL

~$109,200 Read report →
413 JASON LN

SCHAUMBURG, IL

~$107,311 Read report →
816 E PLUMWOOD DR

SCHAUMBURG, IL

~$107,188 Read report →
400 PLUMWOOD CT

SCHAUMBURG, IL

~$107,188 Read report →
419 WOODCROFT LN

SCHAUMBURG, IL

~$107,031 Read report →
412 PLUMWOOD CT

SCHAUMBURG, IL

~$107,031 Read report →
409 PLUMWOOD CT

SCHAUMBURG, IL

~$107,031 Read report →
411 PLUMWOOD CT

SCHAUMBURG, IL

~$107,031 Read report →
410 N OAKMONT RD

SCHAUMBURG, IL

~$107,031 Read report →
856 DIGHTON LN

SCHAUMBURG, IL

~$106,096 Read report →
1345 E THACKER ST

SCHAUMBURG, IL

~$105,569 Read report →
601 WHALUM LN

SCHAUMBURG, IL

~$104,828 Read report →
232 VERDE DR

SCHAUMBURG, IL

~$104,575 Read report →
820 WINFAL DR

SCHAUMBURG, IL

~$104,282 Read report →
837 DIGHTON LN

SCHAUMBURG, IL

~$104,272 Read report →
206 SEERS CT

SCHAUMBURG, IL

~$104,018 Read report →
407 PLUMWOOD CT

SCHAUMBURG, IL

~$103,990 Read report →
704 WHALUM LN 13E

SCHAUMBURG, IL

~$103,420 Read report →
819 DIGHTON LN

SCHAUMBURG, IL

~$103,420 Read report →
1512 PETERSHAM LN

SCHAUMBURG, IL

~$103,287 Read report →
1513 RUTLAND LN

SCHAUMBURG, IL

~$103,277 Read report →
244 WOBURN LN

SCHAUMBURG, IL

~$103,277 Read report →
243 MONSON CT

SCHAUMBURG, IL

~$103,277 Read report →
255 SAUGUS LN

SCHAUMBURG, IL

~$103,277 Read report →
819 LAKELAND DR

SCHAUMBURG, IL

~$103,208 Read report →
802 WINFAL DR

SCHAUMBURG, IL

~$102,902 Read report →
653 WHALUM LN 8-E

SCHAUMBURG, IL

~$102,716 Read report →
1629 CAMELLIA LN

SCHAUMBURG, IL

~$102,233 Read report →
827 SEERS DR

SCHAUMBURG, IL

~$100,795 Read report →
88 GERMAINE PL

SCHAUMBURG, IL

~$100,448 Read report →
629 WHALUM LN 9-F

SCHAUMBURG, IL

~$100,182 Read report →
336 OLEANDER DR

SCHAUMBURG, IL

~$100,141 Read report →
106 LUCRE CT

SCHAUMBURG, IL

~$99,150 Read report →
211 WOBURN LN

SCHAUMBURG, IL

~$97,651 Read report →
1545 RUTLAND CT

SCHAUMBURG, IL

~$97,168 Read report →
201 LAKELAND CT

SCHAUMBURG, IL

~$96,779 Read report →
406 PLUMWOOD CT

SCHAUMBURG, IL

~$95,280 Read report →
826 SEERS DR

SCHAUMBURG, IL

~$95,009 Read report →
256 WOBURN LN

SCHAUMBURG, IL

~$94,582 Read report →
235 MONSON CT

SCHAUMBURG, IL

~$93,277 Read report →
72 GERMAINE PL

SCHAUMBURG, IL

~$91,724 Read report →
51 WHITMAN DR

SCHAUMBURG, IL

~$90,000 Read report →
654 KATHY LN

SCHAUMBURG, IL

~$89,973 Read report →
403 PLUMWOOD CT

SCHAUMBURG, IL

~$87,188 Read report →
410 PLUMWOOD CT

SCHAUMBURG, IL

~$87,031 Read report →
404 PLUMWOOD CT

SCHAUMBURG, IL

~$87,031 Read report →
02341020641213

VILLAGE OF SCHAUMBURG, IL

~$86,953 Read report →
818 SEERS DR

SCHAUMBURG, IL

~$86,060 Read report →
79 CORSAIRE LN

SCHAUMBURG, IL

~$85,569 Read report →
109 LUCRE CT

SCHAUMBURG, IL

~$83,031 Read report →
819 SEERS DR

SCHAUMBURG, IL

~$82,285 Read report →
815 LAKELAND DR

SCHAUMBURG, IL

~$81,846 Read report →
607 WHALUM LN

SCHAUMBURG, IL

~$81,040 Read report →
804 DIGHTON LN

SCHAUMBURG, IL

~$81,040 Read report →
844 DIGHTON LN

SCHAUMBURG, IL

~$81,040 Read report →
79 GERMAINE PL

SCHAUMBURG, IL

~$80,458 Read report →
39 GERMAINE PL

SCHAUMBURG, IL

~$80,448 Read report →
1516 WILLOW RD

SCHAUMBURG, IL

~$80,000 Read report →
1524 WILLOW RD

SCHAUMBURG, IL

~$78,333 Read report →
802 DIGHTON LN

SCHAUMBURG, IL

~$77,840 Read report →
835 DIGHTON LN

SCHAUMBURG, IL

~$77,840 Read report →
827 DIGHTON LN

SCHAUMBURG, IL

~$77,840 Read report →
408 PLUMWOOD CT

SCHAUMBURG, IL

~$77,031 Read report →
300 BRIDLE LN

SCHAUMBURG, IL

~$76,998 Read report →
465 THACKER CT

SCHAUMBURG, IL

~$75,569 Read report →
818 WINFAL DR

SCHAUMBURG, IL

~$73,846 Read report →
95 WHITMAN DR

SCHAUMBURG, IL

~$72,000 Read report →
47 GERMAINE PL

SCHAUMBURG, IL

~$71,734 Read report →
1541 RUTLAND CT

SCHAUMBURG, IL

~$67,168 Read report →
215 WOBURN LN

SCHAUMBURG, IL

~$66,902 Read report →
64 GERMAINE PL

SCHAUMBURG, IL

~$65,898 Read report →
147 CORSAIRE LN

SCHAUMBURG, IL

~$65,579 Read report →
784 WHALOM LN

SCHAUMBURG, IL

~$64,475 Read report →
202 LAKELAND CT

SCHAUMBURG, IL

~$59,328 Read report →
237 WOBURN LN

SCHAUMBURG, IL

~$56,902 Read report →
132 MICHELLE PL

SCHAUMBURG, IL

~$55,569 Read report →
104 CORSAIRE LN

SCHAUMBURG, IL

~$55,569 Read report →
2242 VENTURE DR

SCHAUMBURG, IL

~$55,010 Read report →
775 WHALOM LN

SCHAUMBURG, IL

~$54,349 Read report →
262 HUNTWYCK CT

SCHAUMBURG, IL

~$53,875 Read report →
413 OLEANDER DR

SCHAUMBURG, IL

~$49,474 Read report →
133 STEVENS DR

SCHAUMBURG, IL

~$48,245 Read report →
847 DIGHTON LN

SCHAUMBURG, IL

~$44,475 Read report →
252 HUNTWYCK CT

SCHAUMBURG, IL

~$43,422 Read report →
296 BRIDLE LN

SCHAUMBURG, IL

~$43,422 Read report →
232 WOBURN LN

SCHAUMBURG, IL

~$42,897 Read report →
1032 EMERALD DR

SCHAUMBURG, IL

~$40,110 Read report →
1034 EMERALD DR

SCHAUMBURG, IL

~$40,110 Read report →
533 VERDE DR

SCHAUMBURG, IL

~$40,110 Read report →
535 VERDE DR

SCHAUMBURG, IL

~$40,110 Read report →
534 DEL LAGO DR

SCHAUMBURG, IL

~$40,110 Read report →
532 DEL LAGO DR

SCHAUMBURG, IL

~$40,110 Read report →
521 VERDE DR

SCHAUMBURG, IL

~$40,110 Read report →
523 VERDE DR

SCHAUMBURG, IL

~$40,110 Read report →
522 DEL LAGO DR

SCHAUMBURG, IL

~$40,110 Read report →
520 DEL LAGO DR

SCHAUMBURG, IL

~$40,110 Read report →
2232 VENTURE DR

SCHAUMBURG, IL

~$40,010 Read report →
2226 VENTURE DR

SCHAUMBURG, IL

~$40,010 Read report →
270 WILLOBY CT

SCHAUMBURG, IL

~$40,000 Read report →
806 DRACUT LN

SCHAUMBURG, IL

~$39,800 Read report →
1565 STEVENS DR

SCHAUMBURG, IL

~$38,235 Read report →
810 DIGHTON LN

SCHAUMBURG, IL

~$35,940 Read report →
1482 WHITMAN CT

SCHAUMBURG, IL

~$35,507 Read report →
55 WHITMAN DR

SCHAUMBURG, IL

~$35,507 Read report →
856 DRACUT LN

SCHAUMBURG, IL

~$35,270 Read report →
2238 VENTURE DR

SCHAUMBURG, IL

~$31,010 Read report →
2244 VENTURE DR

SCHAUMBURG, IL

~$30,010 Read report →
2248 VENTURE DR

SCHAUMBURG, IL

~$30,010 Read report →
2313 ALUMNI DR

SCHAUMBURG, IL

~$30,000 Read report →
2212 VENTURE DR

SCHAUMBURG, IL

~$30,000 Read report →
539 VERDE DR

SCHAUMBURG, IL

~$29,310 Read report →
912 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
918 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
904 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
926 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
928 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
716 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
722 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
919 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
913 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
606 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
702 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
708 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
618 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
620 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
819 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
813 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
847 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
841 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
859 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
855 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
833 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
827 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
836 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
850 DRACUT LN

SCHAUMBURG, IL

~$26,096 Read report →
849 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
845 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
849 DIGHTON LN

SCHAUMBURG, IL

~$26,096 Read report →
613 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
615 NEWBURY LN

SCHAUMBURG, IL

~$26,096 Read report →
804 DRACUT LN

SCHAUMBURG, IL

~$25,980 Read report →
808 DIGHTON LN

SCHAUMBURG, IL

~$21,800 Read report →
908 CASEY CT 6

SCHAUMBURG, IL

~$19,919 Read report →
507 VERDE DR

SCHAUMBURG, IL

~$16,810 Read report →