Contractor Profile

Three Sons Windows

Three Sons Windows concentrates in multifamily alteration in Boston (64% of its 14 segment-eligible permits), with secondary activity across 1 other segment. Its permit record in Boston spans 2019–2025. Reliable permit valuations total ≈$202K (across the 100% of filings with a valuation we can stand behind).

First permit: Mar 29, 2019 (2,679d ago)Latest permit: Aug 25, 2025 (338d ago)

The sales record

Market: Boston
Active: 2019–2025 · 6 yrs
Licenses on file: 0
Reliable value: $202K
Coverage: 100%
Reliable filings: 14
Rank in Boston: #459
Permits (all-time, all segments): 14
Filings 90d: 0
Filings 30d: 0
Latest permit: Aug 25, 2025

Typical project size$10Ktypically $7K–$18K across 14 valued permits

Where they work

Primarily Multifamily Alteration — 64% of 14 segment-classified permits

Ranked #33 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.

Service area

Typical service area ~2 mi around Cambridge

The p90 footprint of where Three Sons Windows has pulled permits in Boston — based on 14 geocoded permits (100% of their indexed set). It reflects detected permit activity, not a guaranteed service-area claim.

Cambridge14

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Recent permitsLargest recent$36K· 18 Russell St, Cambridge, MA 02140

Showing 14 of 14 permits by Three Sons Windows in the indexed window · most recent first

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Aug 25, 2025 applied Aug 18, 2025	2 Garden Ct, Cambridge, MA 02138	Residential Alteration	$8K
Jul 29, 2025 applied Jul 17, 2025	6 Shepard St, Unit 4, Cambridge, MA 02138	Multifamily Alteration	$17K
Mar 17, 2025 applied Mar 5, 2025	9 Bellis Cir, Cambridge, MA 02140	Residential Alteration	$16K
Feb 25, 2025 applied Jan 27, 2025	335 Broadway, Cambridge, MA 02139	Residential Alteration	$5K
Jan 23, 2025 applied Dec 18, 2024	140 Magazine St, Cambridge, MA 02139	Residential Alteration	$33K
Aug 15, 2024 applied Aug 7, 2024	36 Highland Ave, Unit 36, Cambridge, MA 02139	Multifamily Alteration	$7K
Jun 12, 2024 applied Jun 5, 2024	577 Putnam Ave, Unit 1, Cambridge, MA 02139	Multifamily Alteration	$6K
Jul 10, 2020 applied Jul 8, 2020	53 Clay St, Cambridge, MA 02140	Multifamily Alteration	$20K
Jul 9, 2020 applied Jul 8, 2020	57-A Rice St, Unit 2, Cambridge, MA 02140	Residential Alteration	$9K
Jul 9, 2020 applied Jul 8, 2020	35 Pemberton St, Unit 5, Cambridge, MA 02140	Multifamily Alteration	$7K
Jul 9, 2020 applied Jul 8, 2020	224 Chestnut St, Unit 2, Cambridge, MA 02139	Multifamily Alteration	$9K
Jan 17, 2020 applied Dec 16, 2019	103 Fayerweather St, Unit 3, Cambridge, MA 02138	Multifamily Alteration	$19K
Nov 12, 2019 applied Oct 28, 2019	20 Chestnut St, Cambridge, MA 02139	Multifamily Alteration	$10K
Mar 29, 2019 applied Mar 28, 2019	18 Russell St, Cambridge, MA 02140	Multifamily Alteration	$36K

Other top Multifamily Alteration contractors in Boston

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Neeeco39 multifamily alteration
Renewal By Andersen36 multifamily alteration
Fisher Windows35 multifamily alteration

See the full Boston Multifamily Alteration leaderboard →

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