163 Split Rock Dr, Acton — property record card

Condo NL MDL-0 built in 1972 in Acton, assessed at $21,935,800 for fiscal year 2026; last transferred November 11, 2025 for a nominal sum.

Rebuilt from the Acton assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Acton assessor’s office.

Parcel

Location	163 Split Rock Dr, Acton MA 00000
Map and parcel ID	B4-8-3 B4_106_22
Use	Condo NL MDL-0 (use code 1021)
Zoning	R-A
County	Middlesex

Valuation — fiscal year 2026

Building	$21,597,200
Land	$0
Other	$338,600
Total assessed	$21,935,800

Building

Year built	1972
Style	Town House
Living area	1,630 ft²
Units	47

Last recorded sale

Price	nominal ($100)
Date	November 11, 2025
Deed	Registry of Deeds book 84834, page 470

47 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

Address	Account	Use	Assessed	Last sale
110 Waterside Clr	B4_101_40	Condo NL MDL-0	$480,000	nominal ($100) March 30, 2023
110-125 Waterside Clearing	B4_101_M	Other, Open Space	$0	nominal ($0) September 18, 1972
111 Waterside Clr	B4_101_39	Condo NL MDL-0	$473,300	nominal ($100) August 24, 2006
112 Waterside Clr	B4_101_38	Condo NL MDL-0	$474,400	$500,000 November 13, 2024
113 Waterside Clr	B4_101_37	Condo NL MDL-0	$473,300	nominal ($0) March 20, 1981
114 Waterside Clr	B4_101_36	Condo NL MDL-0	$417,600	$385,000 July 25, 2024
115 Waterside Clr	B4_101_35	Condo NL MDL-0	$414,700	nominal ($100) May 19, 2021
116 Waterside Clr	B4_101_34	Condo NL MDL-0	$474,400	nominal ($100) March 21, 2022
120 Waterside Clr	B4_102_46	Condo NL MDL-0	$439,300	nominal ($100) June 12, 2025
121 Waterside Clr	B4_102_45	Condo NL MDL-0	$433,200	nominal ($0) September 23, 1986
122 Waterside Clr	B4_102_44	Condo NL MDL-0	$475,200	nominal ($100) November 12, 2019
123 Waterside Clr	B4_102_43	Condo NL MDL-0	$470,700	$430,000 July 15, 2021
124 Waterside Clr	B4_102_42	Condo NL MDL-0	$480,500	$380,000 August 18, 2022
125 Waterside Clr	B4_102_41	Condo NL MDL-0	$419,300	$218,500 August 28, 2015
130 Butternut Hollow	B4_103_1	Condo NL MDL-0	$476,600	$340,000 November 23, 2020
131 Butternut Hollow	B4_103_2	Condo NL MDL-0	$478,900	$500,000 February 5, 2024
132 Butternut Hollow	B4_103_3	Condo NL MDL-0	$475,200	nominal ($1) January 14, 2002
133 Butternut Hollow	B4_103_4	Condo NL MDL-0	$420,000	nominal ($1) April 28, 2016
134 Butternut Hollow	B4_103_5	Condo NL MDL-0	$416,600	nominal ($100) March 19, 2021
135 Butternut Hollow	B4_103_6	Condo NL MDL-0	$478,400	$298,000 April 28, 2004
140 Butternut Hollow	B4_104_7	Condo NL MDL-0	$467,000	$290,000 October 23, 2020
141 Butternut Hollow	B4_104_8	Condo NL MDL-0	$525,400	$347,000 November 21, 2019
142 Butternut Hollow	B4_104_9	Condo NL MDL-0	$518,800	$426,000 November 1, 2023
143 Butternut Hollow	B4_104_10	Condo NL MDL-0	$502,700	$319,000 February 6, 2007
144 Butternut Hollow	B4_104_11	Condo NL MDL-0	$511,400	nominal ($100) January 24, 2025
145 Butternut Hollow	B4_104_12	Condo NL MDL-0	$502,700	$164,000 July 15, 1997
146 Butternut Hollow	B4_104_13	Condo NL MDL-0	$491,600	$274,900 November 16, 2016
147 Butternut Hollow	B4_104_14	Condo NL MDL-0	$531,200	$585,000 June 16, 2025
150 Butternut Hollow	B4_105_15	Condo NL MDL-0	$533,700	$159,900 May 1, 1996
151 Butternut Hollow	B4_105_16	Condo NL MDL-0	$396,300	$350,000 June 15, 2022
152 Butternut Hollow	B4_105_17	Condo NL MDL-0	$538,700	$292,000 April 2, 2002
153 Butternut Hollow	B4_105_18	Condo NL MDL-0	$408,000	$290,000 July 10, 2020
154 Butternut Hollow	B4_105_19	Condo NL MDL-0	$614,600	$572,000 July 28, 2023
160 Split Rock Dr	B4_106_24	Condo NL MDL-0	$487,100	$140,000 May 30, 1997
161 Split Rock Dr	B4_106_25	Condo NL MDL-0	$354,000	nominal ($0) March 31, 1978
162 Split Rock Dr	B4_106_23	Condo NL MDL-0	$350,400	$137,500 November 13, 1998
163 Split Rock Dr	B4_106_22	Condo NL MDL-0	$642,500	$519,000 July 30, 2024
164 Split Rock Dr	B4_106_21	Condo NL MDL-0	$369,400	$210,000 March 22, 2001
165 Split Rock Dr	B4_106_20	Condo NL MDL-0	$559,600	$395,000 June 15, 2021
170 Split Rock Dr	B4_107_26	Condo NL MDL-0	$603,200	$357,888 May 25, 2018
171 Split Rock Dr	B4_107_27	Condo NL MDL-0	$455,000	$404,000 April 13, 2023
172 Split Rock Dr	B4_107_28	Condo NL MDL-0	$493,400	$538,750 May 8, 2025
173 Split Rock Dr	B4_107_29	Condo NL MDL-0	$435,300	$150,000 June 29, 1989
174 Split Rock Dr	B4_107_30	Condo NL MDL-0	$571,900	nominal ($100) February 1, 2019
175 Split Rock Dr	B4_107_31	Condo NL MDL-0	$470,200	$363,000 January 4, 2022
176 Split Rock Dr	B4_107_32	Condo NL MDL-0	$511,400	nominal ($100) November 11, 2025
177 Split Rock Dr	B4_107_33	Condo NL MDL-0	$418,700	$208,000 April 16, 2015

What MassDEP has recorded

No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.

Within about 500 m (a third of a mile): 1 active tier-classified 21E site and 0 sites with an Activity and Use Limitation. All MassDEP sites in Acton.

What this means

Assessed 1785% above the median condo nl mdl-0 in Acton ($1,163,800, 438 parcels).
The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.
Built before 1978: the Massachusetts Lead Law applies when a child under six lives there; ask for any lead inspection or letter of compliance.

Point at the centre of the assessor parcel — not a survey.

Data: Acton assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

First page of a sample Massachusetts Property Report

The report for 163 Split Rock Dr

This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

Order the report