Sumzero Energy Systems
Sumzero Energy Systems is a specialist residential alteration contractor in Boston — all 10 of its segment-eligible permits fall in residential alteration. Its permit record in Boston spans 2023–2026. Reliable permit valuations total ≈$214K (across the 100% of filings with a valuation we can stand behind).
- Market
- Boston
- Active
- 2023–2026 · 3 yrs
- Licence IDs on their permits
- —
- Reliable value
- $214K
- Coverage
- 100%
- Reliable filings
- 10
- Rank in Boston
- #671
- Permits (all-time, all segments)
- 10
- Filings 90d
- 0
- Filings 30d
- 0
- Latest permit
- Apr 16, 2026
Primarily Residential Alteration — 100% of 10 segment-classified permits
Typical service area ~1 mi around Somerville
The p90 footprint of where Sumzero Energy Systems has pulled permits in Boston — drawn from all 10 of their indexed permits. It reflects detected permit activity, not a guaranteed service-area claim.
- Somerville10
Showing 10 of 10 permits by Sumzero Energy Systems in the indexed window · most recent first
- Apr 16, 2026Residential Alteration19 Willow Ave, Somerville Massachusetts 02144Alteration$35Kapplied Mar 17, 2026
- Nov 13, 2025Residential Alteration23 Wallace St, Somerville Massachusetts 02144Alteration$11Kapplied Aug 14, 2025
- Oct 15, 2025Residential Alteration29 Century St, Somerville Massachusetts 02145Alteration$11Kapplied Jul 8, 2025
- Aug 20, 2025Residential Alteration38 Fairmount Ave, Somerville Massachusetts 02144Alteration$19Kapplied Jul 30, 2025
- Jul 31, 2025Residential Alteration68 Line St, Somerville Massachusetts 02143Alteration$5Kapplied Jul 8, 2025
- Mar 11, 2025Residential Alteration384 Washington St, Somerville Massachusetts 02143Alteration$27Kapplied Dec 20, 2024
- Sep 21, 2023Residential Alteration44 Josephine Ave, Somerville Massachusetts 02144Alteration$39Kapplied Jun 26, 2023
- —Residential Alteration44 Josephine Ave, Somerville Massachusetts 02144Alteration$21Kapplied Dec 12, 2025
- —Residential Alteration50 Banks St, Somerville Massachusetts 02144Alteration$19Kapplied Mar 13, 2025
- —Residential Alteration11 Thorpe St, Somerville Massachusetts 02143Alteration$27Kapplied Sep 1, 2023
Apr 16, 2026 applied Mar 17, 2026 | 19 Willow Ave, Somerville Massachusetts 02144 | Residential Alteration | $35K |
Nov 13, 2025 applied Aug 14, 2025 | 23 Wallace St, Somerville Massachusetts 02144 | Residential Alteration | $11K |
Oct 15, 2025 applied Jul 8, 2025 | 29 Century St, Somerville Massachusetts 02145 | Residential Alteration | $11K |
Aug 20, 2025 applied Jul 30, 2025 | 38 Fairmount Ave, Somerville Massachusetts 02144 | Residential Alteration | $19K |
Jul 31, 2025 applied Jul 8, 2025 | 68 Line St, Somerville Massachusetts 02143 | Residential Alteration | $5K |
Mar 11, 2025 applied Dec 20, 2024 | 384 Washington St, Somerville Massachusetts 02143 | Residential Alteration | $27K |
Sep 21, 2023 applied Jun 26, 2023 | 44 Josephine Ave, Somerville Massachusetts 02144 | Residential Alteration | $39K |
— applied Dec 12, 2025 | 44 Josephine Ave, Somerville Massachusetts 02144 | Residential Alteration | $21K |
— applied Mar 13, 2025 | 50 Banks St, Somerville Massachusetts 02144 | Residential Alteration | $19K |
— applied Sep 1, 2023 | 11 Thorpe St, Somerville Massachusetts 02143 | Residential Alteration | $27K |
- Homeworks Energy631 residential alteration
- Homeworks Energy352 residential alteration
- Rb Farina Roofing & Construction301 residential alteration
- The Home Depot223 residential alteration
- Renewal By Andersen193 residential alteration
- Renewal By Andersen191 residential alteration
Put Sumzero Energy Systems 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.