Mill Ave, Union Grove, WI Property Records

Racine County property records for 78 addresses on Mill Ave, Union Grove, WI · Last verified August 2026

Mill Ave Highlights

Properties 78
Median Sale Price $377,000
Deeds and Mortgages on File 110
Median Price per Sqft $173
Owner Occupied 78%
Median Annual Tax Bill $5,081
Median Year Built 1999
Median Ownership Tenure 10 years

Properties on Mill Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

101 Mill Ave

3 bd · 2 ba · 1,340 sqft · 0.358 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,5372025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

102 Mill Ave

4 bd · 2 ba · 1,895 sqft · 0.351 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$405,000Jun 2023 $5,9682025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

107 Mill Ave

3 bd · 2.5 ba · 1,832 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$30,000Mar 2007 $5,1382025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

108 Mill Ave

3 bd · 2.5 ba · 1,738 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$432,000May 2024 $5,5622025 Sale Amount Oct 2007 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

111 Mill Ave

3 bd · 2.5 ba · 1,581 sqft · 0.3 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Apr 2026

112 Mill Ave

3 bd · 2.5 ba · 1,837 sqft · 0.321 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000Feb 2025 $5,4812025 Sale Amount Sep 2022 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

115 Mill Ave

3 bd · 2.5 ba · 1,636 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,7432025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

118 Mill Ave

3 bd · 2 ba · 1,645 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$280,000Aug 2018 $4,9912025 Sale Amount Aug 2006 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

119 Mill Ave

3 bd · 2.5 ba · 2,150 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,8122025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

122 Mill Ave

3 bd · 2 ba · 1,426 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$225,000Sep 2015 $4,7772025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

123 Mill Ave

3 bd · 2 ba · 1,315 sqft · 0.3 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

126 Mill Ave

3 bd · 2.5 ba · 1,749 sqft · 0.321 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$418,000Oct 2024 $4,8972025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

127 Mill Ave

3 bd · 3 ba · 2,050 sqft · 0.346 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,7002025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

130 Mill Ave

3 bd · 2 ba · 2,378 sqft · 0.71 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,7062025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

132 Mill Ave

3 bd · 1.5 ba · 2,164 sqft · 0.653 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$249,900Dec 2012 $5,6552025 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

134 Mill Ave

3 bd · 2.5 ba · 1,888 sqft · 0.735 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$221,000Jan 2009 $5,2772025 Sale Amount Oct 2008 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

136 Mill Ave

3 bd · 1.5 ba · 1,700 sqft · 0.671 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,8542025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

140 Mill Ave

4 bd · 3.5 ba · 2,458 sqft · 0.675 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$306,000Sep 2007 $6,6542025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

144 Mill Ave

3 bd · 3.5 ba · 2,233 sqft · 0.644 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,3862025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

145 Mill Ave

3 bd · 2 ba · 1,220 sqft · 0.362 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$4,4252025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

148 Mill Ave

4 bd · 2.5 ba · 1,800 sqft · 0.578 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,4172025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

151 Mill Ave

3 bd · 1.5 ba · 1,717 sqft · 0.298 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$272,000Jul 2020 $4,8712025 Sale Amount Feb 2010 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

154 Mill Ave

3 bd · 2 ba · 1,836 sqft · 0.512 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Apr 2026

158 Mill Ave

3 bd · 3 ba · 2,478 sqft · 0.466 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$288,000Mar 2010 $6,5592025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

164 Mill Ave

3 bd · 2 ba · 1,635 sqft · 0.464 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$229,900Aug 2005 $5,3192025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

167 Mill Ave

3 bd · 2 ba · 1,706 sqft · 0.412 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$222,000Jul 2014 $6,1482025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

168 Mill Ave

3 bd · 2.5 ba · 1,600 sqft · 0.462 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$232,000Jun 2006 $5,1132025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

171 Mill Ave

4 bd · 3 ba · 2,558 sqft · 0.353 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$350,000Aug 2020 $6,5232025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

172 Mill Ave

3 bd · 2 ba · 1,743 sqft · 0.412 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$229,000Jul 2013 $4,9082025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

173 Mill Ave

3 bd · 2 ba · 2,320 sqft · 0.333 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,1452025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

176 Mill Ave

3 bd · 2.5 ba · 1,723 sqft · 0.432 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$240,000Mar 2018 $5,4722025 Sale Amount Jun 2016 1 Name on Record Assessor + 5 DocumentsUpdated Apr 2026

179 Mill Ave

3 bd · 2 ba · 1,527 sqft · 0.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$246,000Jul 2007 $5,0432025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

180 Mill Ave

3 bd · 3 ba · 1,706 sqft · 0.446 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$238,900Jul 2011 $5,5422025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

183 Mill Ave

4 bd · 2.5 ba · 1,876 sqft · 0.314 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,6062025 2 Names on Record Owner Occupied AssessorUpdated Apr 2026

184 Mill Ave

3 bd · 2.5 ba · 1,752 sqft · 0.453 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$213,000Mar 2016 $5,1002025 Sale Amount Jul 2009 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

187 Mill Ave

3 bd · 2 ba · 1,426 sqft · 0.307 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$211,200Jun 2014 $4,7872025 Sale Amount Jun 2006 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

190 Mill Ave

4 bd · 2.5 ba · 2,208 sqft · 0.496 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,5882025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

191 Mill Ave

3 bd · 2 ba · 1,819 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,0812025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

200 Mill Ave

4 bd · 2.5 ba · 2,172 sqft · 0.496 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$377,000Sep 2021 $6,1962025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

201 Mill Ave

3 bd · 2 ba · 1,620 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,9672025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

230 Mill Ave

3 bd · 2 ba · 1,776 sqft · 0.496 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,5892025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

231 Mill Ave

3 bd · 1 ba · 1,363 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,0992025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

250 Mill Ave

3 bd · 2.5 ba · 1,992 sqft · 0.496 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$476,000Feb 2024 $6,5222025 Sale Amount Jun 2022 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

261 Mill Ave

3 bd · 3 ba · 2,810 sqft · 0.273 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$389,000Dec 2021 $6,4822025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

270 Mill Ave

3 bd · 2.5 ba · 2,144 sqft · 0.496 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$252,000Aug 2012 $6,3022025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

290 Mill Ave

3 bd · 2.5 ba · 2,076 sqft · 0.553 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$183,000Feb 2011 $6,1372025 —Aug 2010 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

291 Mill Ave

4 bd · 3 ba · 2,160 sqft · 0.332 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,8042025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

320 Mill Ave

6 bd · 3 ba · 2,050 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8182025 1 Name on Record AssessorUpdated Apr 2026

321 Mill Ave

3 bd · 2 ba · 1,830 sqft · 0.303 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$5,6352025 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

341 Mill Ave

6 bd · 3 ba · 2,166 sqft · 0.235 acres

Last Sale Tax Bill Prior Sale Owner Records
$222,500Jun 2019 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

361 Mill Ave

6 bd · 3 ba · 2,160 sqft · 0.237 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$305,000Jul 2021 $4,9582025 Sale Amount Aug 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

371 Mill Ave

6 bd · 3 ba · 2,132 sqft · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,9762025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

380 Mill Ave

0.694 acres

Last Sale Tax Bill Prior Sale Owner Records
$19,5452025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

390 Mill Ave

6 bd · 3 ba · 2,050 sqft · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,2072025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

400 Mill Ave

0.539 acres

Last Sale Tax Bill Prior Sale Owner Records
$707,500May 2022 $11,7132025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

460 Mill Ave

0.487 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,7212025 2 Names on Record AssessorUpdated Apr 2026

465 Mill Ave

3 bd · 2.5 ba · 2,371 sqft · 0.153 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$4,6872025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

520 Mill Ave

0.698 acres

Last Sale Tax Bill Prior Sale Owner Records
$13,0732025 1 Name on Record AssessorUpdated Apr 2026

540 Mill Ave

4 bd · 3 ba · 1,681 sqft · 0.228 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Sep 2021 $5,5082025 Sale Amount Dec 2009 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

557 Mill Ave

3 bd · 1.5 ba · 1,334 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,8622025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Apr 2026

572 Mill Ave

0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
$210,000Nov 2023 $4,7102025 1 Name on Record Assessor + 2 DocumentsUpdated Apr 2026

577 Mill Ave

4 bd · 1.5 ba · 1,673 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$143,000Jul 2016 $3,4702025 Sale Amount Nov 2005 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

580 Mill Ave

0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
$597,694Jul 2006 $13,5212025 1 Name on Record AssessorUpdated Apr 2026

597 Mill Ave

3 bd · 2 ba · 1,312 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2014 $3,8102025 Sale Amount Dec 2006 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

600 Mill Ave

2 bd · 1.5 ba · 1,024 sqft · 0.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$158,000Oct 2017 $2,7552025 Sale Amount Oct 2008 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

604 Mill Ave

2 bd · 1 ba · 1,098 sqft · 0.73 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$135,000Sep 2015 $3,3252025 —Jul 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

606 Mill Ave

2 bd · 1 ba · 728 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$125,000Jul 2024 $1,6272025 2 Names on Record Assessor + 2 DocumentsUpdated Apr 2026

608 Mill Ave

1 bd · 1 ba · 400 sqft · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,000Mar 2011 $8352025 Sale Amount May 2005 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

609 Mill Ave

2 bd · 1 ba · 836 sqft · 0.15 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$57,500Dec 2007 $1,8702025 1 Name on Record Assessor + 1 DocumentUpdated Apr 2026

610 Mill Ave

3 bd · 1 ba · 900 sqft · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1962025 1 Name on Record AssessorUpdated Apr 2026

618 Mill Ave

3 bd · 1 ba · 1,296 sqft · 0.376 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,4912025 1 Name on Record Owner Occupied AssessorUpdated Apr 2026

621 Mill Ave

6 bd · 2 ba · 2,088 sqft · 0.416 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$192,000Aug 2020 $3,9802025 1 Name on Record Assessor + 3 DocumentsUpdated Apr 2026

624 Mill Ave

2 bd · 1 ba · 768 sqft · 0.417 acres

Last Sale Tax Bill Prior Sale Owner Records
$221,000Oct 2022 $2,9762025 Sale Amount Apr 2020 1 Name on Record Owner Occupied Assessor + 7 DocumentsUpdated Apr 2026

630 Mill Ave

4 bd · 2 ba · 1,536 sqft · 0.285 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,6222025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

636 Mill Ave

3 bd · 2 ba · 1,260 sqft · 0.314 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,6662025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

642 Mill Ave

2 bd · 2 ba · 1,016 sqft · 0.332 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$90,000Aug 2008 $1,9652025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

702 Mill Ave

3 bd · 2 ba · 1,548 sqft · 0.369 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Apr 2026

721 Mill Ave

3 bd · 2 ba · 1,280 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2018 $3,2892025 Sale Amount Oct 2009 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated May 2026

Property Records in Nearby Streets