Longden Company
Longden Company is a specialist commercial alteration contractor in Boston — all 12 of its segment-eligible permits fall in commercial alteration. Its permit record in Boston spans 2015–2026. Reliable permit valuations total ≈$1.5M (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.
- Market
- Boston
- Active
- 2015–2026 · 11 yrs
- Licence IDs on their permits
- —
- Reliable value
- $1.5M
- Coverage
- 100%
- Reliable filings
- 12
- Rank in Boston
- #544
- Permits (all-time, all segments)
- 12
- Filings 90d
- 1
- Filings 30d
- 0
- Latest permit
- Jun 11, 2026
Primarily Commercial Alteration — 100% of 12 segment-classified permits
Typical service area ~1 mi around Somerville
The p90 footprint of where Longden Company has pulled permits in Boston — drawn from all 12 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Somerville12
Showing 12 of 12 permits by Longden Company in the indexed window · most recent first
- Jun 11, 2026Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$543Kapplied May 28, 2026
- May 28, 2026Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$43Kapplied Apr 29, 2026
- Dec 19, 2025Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$592Kapplied Oct 30, 2025
- Oct 6, 2025Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$33Kapplied Sep 17, 2025
- Jun 13, 2025Commercial Alteration70 Inner Belt Rd, Somerville MassachusettsAlteration$41Kapplied May 2, 2025
- Mar 24, 2025Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$95Kapplied Mar 4, 2025
- Jan 21, 2025Commercial Alteration70 Inner Belt Rd, Somerville MassachusettsAlteration$19Kapplied Oct 9, 2024
- Mar 13, 2024Commercial Alteration70 Inner Belt Rd, Somerville MassachusettsAlteration$26Kapplied Feb 29, 2024
- Feb 16, 2024Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$51Kapplied Feb 6, 2024
- Feb 7, 2024Commercial Alteration70 Inner Belt Rd, Somerville Massachusetts 02143Alteration$9Kapplied Jan 29, 2024
- Dec 7, 2022Commercial Alteration70 Inner Belt Rd, Somerville MassachusettsAlteration$52Kapplied Nov 22, 2022
- Sep 21, 2015Commercial Alteration93 Highland Ave, Somerville MassachusettsAlteration$20Kapplied Sep 16, 2015
Jun 11, 2026 applied May 28, 2026 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $543K |
May 28, 2026 applied Apr 29, 2026 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $43K |
Dec 19, 2025 applied Oct 30, 2025 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $592K |
Oct 6, 2025 applied Sep 17, 2025 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $33K |
Jun 13, 2025 applied May 2, 2025 | 70 Inner Belt Rd, Somerville Massachusetts | Commercial Alteration | $41K |
Mar 24, 2025 applied Mar 4, 2025 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $95K |
Jan 21, 2025 applied Oct 9, 2024 | 70 Inner Belt Rd, Somerville Massachusetts | Commercial Alteration | $19K |
Mar 13, 2024 applied Feb 29, 2024 | 70 Inner Belt Rd, Somerville Massachusetts | Commercial Alteration | $26K |
Feb 16, 2024 applied Feb 6, 2024 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $51K |
Feb 7, 2024 applied Jan 29, 2024 | 70 Inner Belt Rd, Somerville Massachusetts 02143 | Commercial Alteration | $9K |
Dec 7, 2022 applied Nov 22, 2022 | 70 Inner Belt Rd, Somerville Massachusetts | Commercial Alteration | $52K |
Sep 21, 2015 applied Sep 16, 2015 | 93 Highland Ave, Somerville Massachusetts | Commercial Alteration | $20K |
Addresses where Longden Company has pulled repeat permits and the site itself has a deep permit history (25+ permits, all contractors). Each links to that parcel’s full record.
- Wise Construction192 commercial alteration
- Siena Construction Corporation166 commercial alteration
- The Richmond Group84 commercial alteration
- Pidc Construction69 commercial alteration
- Gloucester Builders68 commercial alteration
- Berkeley Building Company67 commercial alteration
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