Directory / Boston / Insulation
Walter Colwell
13 permits across 2 towns in the last 6 months
Insulation · Building · Roofing
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Activity by month
Permits filed each month. The first and last months are partial.
Where they’re working
Permits filed under this contractor by state and town, last 6 months.
Massachusetts 13
Types of projects
By place, trade and period
| Town / city | State | Trade | Last 90 days | Last 6 months | All documented |
|---|---|---|---|---|---|
| Boston | MA | Insulation | 3 | 5 | 13 |
| Falmouth | MA | Building | 2 | 3 | 4 |
| Boston | MA | Building | 0 | 2 | 3 |
| Boston | MA | Roofing | 0 | 2 | 5 |
| Falmouth | MA | Insulation | 1 | 1 | 5 |
| Falmouth | MA | Roofing | 0 | 0 | 1 |
Permit timeline
- Oct 27, 2026Seal transitions, rigid for knee wall & crawlspace walls, blown in cellulose for knee wall floor, insulate hatch, & vapoFalmouth · Insulation · Repair / alteration · Permit Issued · #REP-26-2562
- Oct 22, 2026Insulation - air sealing, attic flat 6" r19 fiberglass batting, attic hatch with rigid board, ventilatin chutes, insulatFalmouth · Building · Repair / alteration · Permit Issued · #REP-26-2522
- Oct 21, 2026Insulation: Insulate exterior walls with blown in cellulose, weather strip & sweep on doorsBoston · Insulation · Residential · Open · #SF1908992
- Oct 16, 2026Insulation: Air sealing, blown in cellulose for attic, overhang, and exterior walls, propavents, soffit vents, fiberglasBoston · Insulation · Residential · Open · #SF1909894
- Aug 25, 2026Insulation: Spray foam to rim joist and crawl space, paint, & thermal board box around pipes.Boston · Insulation · Residential · Open · #SF1887529
- Aug 24, 2026Air sealing, fiberglass for damming, blown in cellulose for attic flat, insulate hatch, vent bath fan, & recessed light Falmouth · Building · Repair / alteration · Permit Issued · #REP-26-1995
- Aug 13, 2026Insulation: Interior drill & plug buffer wall with celluloseBoston · Insulation · Residential · Open · #SF1879074
- Jul 31, 2026Insulation: Blown in cellulose for attic flat, recessed light boxes, fiberglass for damming, propavents, soffit vents, &Boston · Building · Residential · Open · #SF1875977
- Jul 22, 2026Insulation: Remove old fg batts, spray foam roofline, paint exposed foam, & sheathing accessBoston · Roofing · Residential · Open · #SF1867362
- Jul 22, 2026Insulation: Air sealing, weather strip & sweep for doors, blown in cellulose for attic floor, attic slope, & exterior waBoston · Roofing · Residential · Open · #SF1869940
- Jul 21, 2026Insulation: Air sealing, weather strip & sweep for doors, fiberglass for rim joist, insulate basement door, & blown in cBoston · Building · Residential · Open · #SF1869950
- Jun 29, 2026Seal transition, 2" rigid for kw, & spray foam crawlspace wallsFalmouth · Building · Repair / alteration · Permit Issued · #REP-26-1513
Older permit history
Filed more than 6 months ago. Shown for history; excluded from 6-month counts and rankings.
- May 1, 2026Insulation: Air sealing, blown in cellulose for attic & exterior walls through interior, gable vent, roof vent, vent bat (older)Boston · Roofing · Residential · Open · #SF1840526
- May 1, 2026Insulation: Blown in cellulose for exterior walls (older)Boston · Insulation · Residential · Open · #SF1843732
- Apr 1, 2026Insulation: Air sealing, dense pack overhang & exterior walls with cellulose, weather strip & sweep for doors, blown in (older)Boston · Roofing · Residential · Open · #SF1829775
- Mar 11, 2026Insulation: Air sealing, blown in cellulose for attic floor, insulate hatch, weather strip & sweep for door, fg for damm (older)Boston · Insulation · Commercial · Open · #SF1822615
- Mar 2, 2026Insulation: INSULATION - INTERIOR DRILL FOR CELLULOSE INSULATION 14" 2ND FL CEILING, INTERIOR DRILL FOR CELLULOSE INSULA (older)Boston · Insulation · Commercial · Open · #SF1823571
- Jan 14, 2026Insulation: Blown in cellulose for walls through interior drill & plug, weather strip & sweep for doors. (older)Boston · Insulation · Commercial · Open · #SF1807657
- Jan 14, 2026Insulation: Blown in cellulose for walls through interior drill and plug, weather strip & sweep for doors, fiberglass & (older)Boston · Insulation · Commercial · Open · #SF1807665
- Jan 14, 2026Insulation: insulation - air sealing, attic floor cellulose, vent existing bathroom fan, door sweeps, attic floor cellul (older)Boston · Roofing · Residential · Open · #SF1808632
- Jan 14, 2026Insulation: INSULATION - ATTIC FLOOR & KNEEWALLS CELLULOSE INSULATION, ALUMINUM GABLE VENT, DOOR SWEEPS AND WEATHERSTRIP (older)Boston · Insulation · Residential · Open · #SF1809085
- Nov 25, 2025Insulation: Air sealing, insulate door, fg for damming, sheathing access, blown in cellulose for exterior walls & attic, (older)Boston · Insulation · Residential · Open · #SF1797927
- Nov 25, 2025Insulation: Closed cell spray foam for kitchen wall, rim joist, & basement ceiling followed by paint. (older)Boston · Building · Residential · Closed · #SF1799698
- Apr 13, 2026Air sealing, fg for damming, blown in cellulose for attic flat, insulate hatch, & propavents. (older)Falmouth · Insulation · Repair / alteration · Permit Issued · #REP-26-0793
Permit counts reflect permits filed in public town records naming this contractor as applicant. A permit shows permitted activity, not necessarily completed work, quality of work, or a final inspection.
License
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Sources
- Analyze Boston: Approved Building Permits · retrieved Nov 9, 2026
- PermitEyes Falmouth public view (Building tab) · retrieved Nov 9, 2026
Not verified: contact info, business address, insurance, reviews. Page built Nov 12, 2026.