Contractor Profile
Benjamin William Construction Group
Benjamin William Construction Group is a diversified Boston contractor — 17 segment-eligible permits spanning 3 segments, led by residential alteration (59%) and multifamily alteration (24%). Its permit record in Boston spans 2018–2026. Reliable permit valuations total ≈$3.3M (across the 100% of filings with a valuation we can stand behind). Filing activity is steady over the last 90 days versus the prior 90.
First permit: Oct 29, 2018 (2,909d ago)Latest permit: Apr 28, 2026 (171d ago)
The sales record
- Market
- Boston
- Active
- 2018–2026 · 8 yrs
- Licence IDs on their permits
- —
- Reliable value
- $3.3M
- Coverage
- 100%
- Reliable filings
- 17
- Rank in Boston
- #389
- Permits (all-time, all segments)
- 16
- Filings 90d
- 1
- Filings 30d
- 1
- Latest permit
- Apr 28, 2026
Typical project size$36Ktypically $22K–$440K across 17 valued permits
Where they work
Firmographics
License & registration IDs on fileNot in our data — we don’t hold licensing-board registries, and this city’s permit records carry no licence number. This is a gap in our coverage, not a statement about this firm’s licensure.
Direct contactNot in our data — we don’t fabricate firmographics.
Monthly activity
Feb ’260–2 permits/moOct ’26
permits per month permit value
Service area
Typical service area ~2 mi around Cambridge
The p90 footprint of where Benjamin William Construction Group has pulled permits in Boston — drawn from all 17 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Cambridge17
Recent permitsLargest recent$694K· 22 Athens St, Cambridge, MA 02138
Showing 17 of 17 permits by Benjamin William Construction Group in the indexed window · most recent first
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- Oct 1, 2026Residential Demolition62-64 Prospect St, Unit 62/1, Cambridge, MA 02139Demolition · Residential$15Kapplied Sep 28, 2026
- Apr 28, 2026Residential Alteration102 Kinnaird St, Cambridge, MA 02139Alteration$361Kapplied Feb 9, 2026
- Mar 2, 2026Multifamily Alteration47 Magazine St, Unit 47/47, Cambridge, MA 02139Alteration$8Kapplied Feb 25, 2026
- Mar 2, 2026Multifamily Alteration49 Magazine St, Unit 49/49, Cambridge, MA 02139Alteration$24Kapplied Feb 25, 2026
- Feb 25, 2026Residential Alteration200 Fayerweather St, Cambridge, MA 02138Alteration$465Kapplied Jan 27, 2026
- Sep 5, 2024Residential Alteration39 Hammond St, Unit 1, Cambridge, MA 02138Alteration$36Kapplied Aug 20, 2024
- Oct 31, 2023Residential Alteration2 Longfellow Rd, Unit 1, Cambridge, MA 02138Alteration$17Kapplied Oct 10, 2023
- Jan 4, 2023Residential Alteration14 Regent St, Cambridge, MA 02140Alteration$30Kapplied Dec 15, 2022
- Jul 25, 2022Residential Demolition103 Belmont St, Cambridge, MA 02138Demolition · Residential$22Kapplied Jul 13, 2022
- Dec 21, 2021Residential Alteration2 William St, Cambridge, MA 02139Alteration$530Kapplied Sep 7, 2021
- Jul 14, 2021Multifamily Alteration46 Jay St, Cambridge, MA 02139Alteration$480Kapplied Apr 21, 2021
- Jan 26, 2021Residential Alteration19 Florence St, Cambridge, MA 02139Alteration$440Kapplied Oct 28, 2020
- Nov 4, 2020Residential Alteration14 Van Norden St, Cambridge, MA 02140Alteration$100Kapplied Sep 24, 2020
- Oct 5, 2020Residential Alteration14 Van Norden St, Cambridge, MA 02140Alteration$27Kapplied Sep 24, 2020
- Nov 27, 2019Residential Demolition22 Athens St, Cambridge, MA 02138Demolition · Residential$694Kapplied Oct 12, 2019
- May 23, 2019Multifamily Alteration17 Chilton St, Cambridge, MA 02138Alteration$16Kapplied May 9, 2019
- Oct 29, 2018Residential Alteration103 Belmont St, Cambridge, MA 02138Alteration$65Kapplied Oct 25, 2018
Oct 1, 2026 applied Sep 28, 2026 | 62-64 Prospect St, Unit 62/1, Cambridge, MA 02139 | Residential Demolition Residential | $15K |
Apr 28, 2026 applied Feb 9, 2026 | 102 Kinnaird St, Cambridge, MA 02139 | Residential Alteration | $361K |
Mar 2, 2026 applied Feb 25, 2026 | 47 Magazine St, Unit 47/47, Cambridge, MA 02139 | Multifamily Alteration | $8K |
Mar 2, 2026 applied Feb 25, 2026 | 49 Magazine St, Unit 49/49, Cambridge, MA 02139 | Multifamily Alteration | $24K |
Feb 25, 2026 applied Jan 27, 2026 | 200 Fayerweather St, Cambridge, MA 02138 | Residential Alteration | $465K |
Sep 5, 2024 applied Aug 20, 2024 | 39 Hammond St, Unit 1, Cambridge, MA 02138 | Residential Alteration | $36K |
Oct 31, 2023 applied Oct 10, 2023 | 2 Longfellow Rd, Unit 1, Cambridge, MA 02138 | Residential Alteration | $17K |
Jan 4, 2023 applied Dec 15, 2022 | 14 Regent St, Cambridge, MA 02140 | Residential Alteration | $30K |
Jul 25, 2022 applied Jul 13, 2022 | 103 Belmont St, Cambridge, MA 02138 | Residential Demolition Residential | $22K |
Dec 21, 2021 applied Sep 7, 2021 | 2 William St, Cambridge, MA 02139 | Residential Alteration | $530K |
Jul 14, 2021 applied Apr 21, 2021 | 46 Jay St, Cambridge, MA 02139 | Multifamily Alteration | $480K |
Jan 26, 2021 applied Oct 28, 2020 | 19 Florence St, Cambridge, MA 02139 | Residential Alteration | $440K |
Nov 4, 2020 applied Sep 24, 2020 | 14 Van Norden St, Cambridge, MA 02140 | Residential Alteration | $100K |
Oct 5, 2020 applied Sep 24, 2020 | 14 Van Norden St, Cambridge, MA 02140 | Residential Alteration | $27K |
Nov 27, 2019 applied Oct 12, 2019 | 22 Athens St, Cambridge, MA 02138 | Residential Demolition Residential | $694K |
May 23, 2019 applied May 9, 2019 | 17 Chilton St, Cambridge, MA 02138 | Multifamily Alteration | $16K |
Oct 29, 2018 applied Oct 25, 2018 | 103 Belmont St, Cambridge, MA 02138 | Residential Alteration | $65K |
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