Contractor Profile

Prime Building

Prime Building concentrates in multifamily alteration in Boston (80% of its 10 segment-eligible permits), with secondary activity across 1 other segment. Its permit record in Boston spans 2020–2025. Reliable permit valuations total ≈$1.9M (across the 100% of filings with a valuation we can stand behind).

First permit: Oct 9, 2020 (2,125d ago)Latest permit: Nov 24, 2025 (253d ago)

The sales record

Market: Boston
Active: 2020–2025 · 5 yrs
Licenses on file: 0
Reliable value: $1.9M
Coverage: 100%
Reliable filings: 10
Rank in Boston: #671
Permits (all-time, all segments): 10
Filings 90d: 0
Filings 30d: 0
Latest permit: Nov 24, 2025

Typical project size$64Ktypically $23K–$280K across 10 valued permits

Where they work

Primarily Multifamily Alteration — 80% of 10 segment-classified permits

Ranked #41 in the Boston Multifamily Alteration leaderboard →

Firmographics

License & registration IDs on fileNo license records in the source data.

Direct contactNot in our data — we don’t fabricate firmographics.

Monthly activity

Aug ’240–1 permits/moNov ’25

permits per month permit value

Service area

Typical service area ~1 mi around Cambridge

The p90 footprint of where Prime Building 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

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Recent permitsLargest recent$956K· 55 Fairmont St, Unit 1, Cambridge, MA 02139

Showing 10 of 10 permits by Prime Building in the indexed window · most recent first

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Nov 24, 2025 applied Nov 17, 2025	989 Memorial Dr, Unit 291, Cambridge, MA 02138	Multifamily Alteration	$345K
Apr 22, 2025 applied Mar 13, 2025	55 Fairmont St, Unit 1, Cambridge, MA 02139	Residential Demolition Residential	$956K
Aug 2, 2024 applied Jul 17, 2024	988 Memorial Dr, Unit 284, Cambridge, MA 02138	Multifamily Alteration	$91K
Jul 5, 2024 applied Jun 20, 2024	989 Memorial Dr, Unit 691, Cambridge, MA 02138	Multifamily Alteration	$343K
Nov 16, 2021 applied Oct 29, 2021	34 Ash St, Unit 10, Cambridge, MA 02138	Multifamily Alteration	$11K
Nov 16, 2021 applied Oct 29, 2021	36 Ash St, Unit 12, Cambridge, MA 02138	Multifamily Alteration	$7K
Aug 11, 2021 applied Jul 31, 2021	36 Sherman St, Unit 2, Cambridge, MA 02138	Multifamily Alteration	$32K
May 10, 2021 applied Apr 27, 2021	1578 Cambridge St, Unit 1, Cambridge, MA 02138	Multifamily Alteration	$20K
Oct 27, 2020 applied Oct 6, 2020	333 Harvard St, Cambridge, MA 02139	Residential Demolition Residential	$58K
Oct 9, 2020 applied Sep 30, 2020	135 Antrim St, Cambridge, MA 02139	Multifamily Alteration	$69K

Other top Multifamily Alteration contractors in Boston

Romain Strecker89 multifamily alteration
Akelius79 multifamily alteration
Homeworks Energy46 multifamily alteration
Neeeco39 multifamily alteration
Renewal By Andersen36 multifamily alteration
Fisher Windows35 multifamily alteration

See the full Boston Multifamily Alteration leaderboard →

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