100-411 Keyes Rd, Concord — property record card
Condo NL MDL-05 built in 1952 on 4.42 acres in Concord, assessed at $41,594,600 for fiscal year 2026; last transferred March 17, 2026 for a nominal sum.
Rebuilt from the Concord assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Concord assessor’s office.
Parcel
| Location | 100-411 Keyes Rd, Concord MA 01742 |
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| Map and parcel ID | 1703-104-13 1703-411 |
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| Use | Condo NL MDL-05 (use code 1021) |
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| Zoning | B |
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| County | Middlesex |
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Valuation — fiscal year 2026
| Building | $41,594,600 |
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| Land | $0 |
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| Total assessed | $41,594,600 |
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Land
| Lot size | 4.42 acres (192,535 ft²) |
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Building
| Year built | 1952 |
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| Style | Condominium |
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| Living area | 1,786 ft² |
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| Units | 57 |
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Last recorded sale
| Price | nominal ($100) |
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| Date | March 17, 2026 |
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| Deed | Registry of Deeds book 85346, page 79 |
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57 assessor accounts on this parcel
Condominium units or several buildings share one parcel; each has its own assessment.
| Address | Account | Use | Assessed | Last sale |
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| 100-100 Keyes Rd | 1703-104-13 | Other, Open Space | $0 | |
| 100-104 Keyes Rd | 1703-104 | Condo NL MDL-05 | $800,100 | nominal ($100)
June 1, 1997 |
| 100-106 Keyes Rd | 1703-106 | Condo NL MDL-05 | $660,700 | nominal ($1)
May 31, 2024 |
| 100-107 Keyes Rd | 1703-107 | Condo NL MDL-05 | $626,700 | $580,000
December 8, 2023 |
| 100-108 Keyes Rd | 1703-108 | Condo NL MDL-05 | $665,300 | $525,000
July 29, 2011 |
| 100-109 Keyes Rd | 1703-109 | Condo NL MDL-05 | $961,400 | $765,000
October 31, 2018 |
| 100-110 Keyes Rd | 1703-110 | Condo NL MDL-05 | $790,900 | nominal ($1)
October 10, 2018 |
| 100-131 Keyes Rd | 1703-131 | Condo NL MDL-05 | $691,400 | nominal ($10)
October 9, 2025 |
| 100-133 Keyes Rd | 1703-133 | Condo NL MDL-05 | $849,900 | $690,000
October 15, 2019 |
| 100-204 Keyes Rd | 1703-204 | Condo NL MDL-05 | $769,100 | $730,000
April 17, 2020 |
| 100-205 Keyes Rd | 1703-205 | Condo NL MDL-05 | $854,800 | $851,000
May 15, 2025 |
| 100-206 Keyes Rd | 1703-206 | Condo NL MDL-05 | $662,700 | $620,000
July 8, 2015 |
| 100-207 Keyes Rd | 1703-207 | Condo NL MDL-05 | $650,800 | $325,000
May 4, 2010 |
| 100-208 Keyes Rd | 1703-208 | Condo NL MDL-05 | $822,200 | $850,000
August 11, 2023 |
| 100-209 Keyes Rd | 1703-209 | Condo NL MDL-05 | $893,800 | $1,400,000
November 26, 2024 |
| 100-210 Keyes Rd | 1703-210 | Condo NL MDL-05 | $772,500 | $571,000
April 30, 2010 |
| 100-211 Keyes Rd | 1703-211 | Condo NL MDL-05 | $767,300 | $665,000
January 10, 2025 |
| 100-212 Keyes Rd | 1703-212 | Condo NL MDL-05 | $982,200 | $890,000
February 17, 2023 |
| 100-213 Keyes Rd | 1703-213 | Condo NL MDL-05 | $580,800 | nominal ($1)
July 11, 2014 |
| 100-214 Keyes Rd | 1703-214 | Condo NL MDL-05 | $957,500 | nominal ($100)
March 12, 2026 |
| 100-215 Keyes Rd | 1703-215 | Condo NL MDL-05 | $780,100 | $910,000
August 29, 2022 |
| 100-216 Keyes Rd | 1703-216 | Condo NL MDL-05 | $961,600 | $1,325,216
December 30, 2025 |
| 100-218 Keyes Rd | 1703-218 | Condo NL MDL-05 | $958,900 | $845,000
November 25, 2024 |
| 100-220 Keyes Rd | 1703-220 | Condo NL MDL-05 | $911,600 | nominal ($1)
August 1, 1999 |
| 100-221 Keyes Rd | 1703-221 | Condo NL MDL-05 | $624,600 | $725,000
January 20, 2021 |
| 100-222 Keyes Rd | 1703-222 | Condo NL MDL-05 | $571,400 | $630,000
April 1, 2022 |
| 100-223 Keyes Rd | 1703-223 | Condo NL MDL-05 | $748,500 | $951,000
September 18, 2025 |
| 100-224 Keyes Rd | 1703-224 | Condo NL MDL-05 | $797,200 | $750,000
December 7, 2020 |
| 100-231 Keyes Rd | 1703-231 | Condo NL MDL-05 | $546,500 | $475,000
March 10, 2022 |
| 100-232 Keyes Rd | 1703-232 | Condo NL MDL-05 | $787,800 | $630,000
October 29, 2018 |
| 100-233 Keyes Rd | 1703-233 | Condo NL MDL-05 | $714,400 | nominal ($1)
February 18, 2016 |
| 100-234 Keyes Rd | 1703-234 | Condo NL MDL-05 | $926,600 | $583,700
December 20, 2021 |
| 100-302 Keyes Rd | 1703-302 | Condo NL MDL-05 | $573,200 | $150,000
March 1, 1992 |
| 100-304 Keyes Rd | 1703-304 | Condo NL MDL-05 | $750,700 | $637,000
January 17, 2017 |
| 100-305 Keyes Rd | 1703-305 | Condo NL MDL-05 | $789,200 | $835,000
June 30, 2025 |
| 100-306 Keyes Rd | 1703-306 | Condo NL MDL-05 | $661,700 | $895,000
February 9, 2024 |
| 100-307 Keyes Rd | 1703-307 | Condo NL MDL-05 | $639,400 | $535,000
September 25, 2023 |
| 100-308 Keyes Rd | 1703-308 | Condo NL MDL-05 | $677,600 | $700,000
June 30, 2016 |
| 100-309 Keyes Rd | 1703-309 | Condo NL MDL-05 | $958,900 | $805,000
April 10, 2020 |
| 100-310 Keyes Rd | 1703-310 | Condo NL MDL-05 | $718,900 | $1,010,000
June 26, 2025 |
| 100-311 Keyes Rd | 1703-311 | Condo NL MDL-05 | $689,000 | $585,000
November 27, 2024 |
| 100-313 Keyes Rd | 1703-313 | Condo NL MDL-05 | $619,700 | $550,000
June 2, 2021 |
| 100-315 Keyes Rd | 1703-315 | Condo NL MDL-05 | $488,300 | $520,000
April 11, 2024 |
| 100-320 Keyes Rd | 1703-320 | Condo NL MDL-05 | $949,400 | nominal ($1)
November 9, 2023 |
| 100-321 Keyes Rd | 1703-321 | Condo NL MDL-05 | $654,200 | nominal ($100)
April 20, 2012 |
| 100-322 Keyes Rd | 1703-322 | Condo NL MDL-05 | $604,400 | nominal ($100)
March 17, 2026 |
| 100-323 Keyes Rd | 1703-323 | Condo NL MDL-05 | $748,800 | nominal ($100)
April 26, 2024 |
| 100-324 Keyes Rd | 1703-324 | Condo NL MDL-05 | $733,200 | nominal ($100)
March 29, 2023 |
| 100-331 Keyes Rd | 1703-331 | Condo NL MDL-05 | $503,800 | $502,000
June 12, 2023 |
| 100-333 Keyes Rd | 1703-333 | Condo NL MDL-05 | $731,200 | nominal ($1)
October 6, 2016 |
| 100-411 Keyes Rd | 1703-411 | Condo NL MDL-05 | $998,200 | $615,000
March 30, 2018 |
| 100-413 Keyes Rd | 1703-413 | Condo NL MDL-05 | $676,400 | nominal ($1)
April 26, 2010 |
| 100-415 Keyes Rd | 1703-415 | Condo NL MDL-05 | $612,700 | nominal ($100)
July 21, 2020 |
| 100-421 Keyes Rd | 1703-421 | Condo NL MDL-05 | $662,200 | nominal ($1)
February 26, 2025 |
| 100-422 Keyes Rd | 1703-422 | Condo NL MDL-05 | $581,200 | $282,000
June 29, 2010 |
| 100-423 Keyes Rd | 1703-423 | Condo NL MDL-05 | $743,800 | nominal ($1)
September 27, 2018 |
| 100-424 Keyes Rd | 1703-424 | Condo NL MDL-05 | $739,200 | $752,300
April 1, 2021 |
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 10 sites with an Activity and Use Limitation. All MassDEP sites in Concord.
What this means
- Assessed 1650% above the median condo nl mdl-05 in Concord ($2,376,350, 68 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: Concord 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.
The report for 100-411 Keyes Rd
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