Contractor Profile

J&f Construction

J&f Construction concentrates in commercial alteration in Boston (60% of its 10 segment-eligible permits), with secondary activity across 3 other segments. Its permit record in Boston spans 2019–2026. Reliable permit valuations total ≈$1.4M (across the 100% of filings with a valuation we can stand behind).

First permit: Mar 6, 2019 (2,753d ago)Latest permit: Jun 24, 2026 (86d ago)
The sales record
Market
Boston
Active
2019–2026 · 7 yrs
Licence IDs on their permits
Reliable value
$1.4M
Coverage
100%
Reliable filings
10
Rank in Boston
#671
Permits (all-time, all segments)
10
Filings 90d
1
Filings 30d
0
Latest permit
Jun 24, 2026
Typical project size$46Ktypically $17K–$81K across 10 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
Jun ’260–1 permits/moJun ’26
permits per month permit value
Service area

Typical service area ~3 mi around Cambridge

The p90 footprint of where J&f Construction has pulled permits in Boston — drawn from all 10 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.

  • Cambridge10
Find Commercial Alteration contractors near your branchEnter your address — see who’s pulling these permits in your radius.

Showing 10 of 10 permits by J&f Construction in the indexed window · most recent first

Sort
Jun 24, 2026
applied Jun 9, 2026
484 Cambridge St, Cambridge, MA 02141
Commercial Alteration
$6K
Oct 23, 2023
applied Apr 28, 2023
19 Cottage Park Ave, Cambridge, MA 02140
Residential Alteration
$950K
Jan 30, 2023
applied Jan 25, 2023
738 Cambridge St, Cambridge, MA 02141
Multifamily Alteration
$93K
Dec 2, 2022
applied Oct 16, 2022
445 Concord Ave, Cambridge, MA 02138
Commercial Alteration
$16K
Apr 12, 2022
applied Mar 17, 2022
730 Cambridge St, Unit 1, Cambridge, MA 02141
Commercial Alteration
$48K
Sep 15, 2021
applied Aug 12, 2021
391 Cambridge St, Cambridge, MA 02141
Commercial Alteration
$179K
Mar 2, 2021
applied Feb 17, 2021
785 Cambridge St, Cambridge, MA 02141
Commercial Alteration
$18K
Jun 26, 2020
applied Apr 6, 2020
5 Roberts Rd, Cambridge, MA 02138
Residential Demolition
Residential
$3K
May 16, 2019
applied Apr 29, 2019
5 Roberts Rd, Cambridge, MA 02138
Multifamily Alteration
$45K
Mar 6, 2019
applied Jan 30, 2019
950 Cambridge St, Cambridge, MA 02141
Commercial Alteration
$47K
Other top Commercial Alteration contractors in Boston
See the full Boston Commercial Alteration leaderboard →

Put J&f Construction on your call list.

Watch this contractor above for a daily email when they pull a new permit — or open the whole Boston book: every ranked contractor, enriched and parcel-joined.