Building – Alterationcommercial_roofing
$2,400,000
100 Federal St, Boston, MA
flag:roof_estimatedpluto:joined
MAPPED · refreshed 7h agoLast 10 days of permits fully visible publicly · daily refresh · Parcel-joined ~86% · 18 IBC cohorts · 12 DQ flags per row
Boston building permits
Permits indexed
980,100
All 980,100 Boston permits indexed — daily refresh, parcel-joined ~86%. Last 10 days fully visible publicly; older history via free signup or API. 18 IBC cohort tags. 12 field-level data-quality flags per row.
refreshed 7h ago · daily refresh active
980,100 permits in Boston. Search filters across address, contractor, cohort, and permit type.v1 — filters in-memory across recent permits; full DuckDB-WASM 30-day slice ships next.
Boston insights
Derived nightly from the silver dataset · last updated 2026-05-24 02:00 ETMultifamily renovation activity in Boston is up this month vs last
+9%
Top cohorts this quarter
multifamily_renovation · commercial_tenant_improvement · commercial_roofing
Most active neighborhood this week
Back Bay
Cambridge biotech HVAC vs last quarter
+26%
Recent commercial permits
Building – Alterationmultifamily_renovation
$2,100,000
1414 Commonwealth Ave, Boston, MA
flag:roof_missingpluto:joined
Mechanical – Equipmentcommercial_hvac
$1,240,000
401 Park Dr, Boston, MA
flag:roof_estimatedpluto:joined
Building – New Buildingcommercial_new
$64,200,000
888 Boylston St, Boston, MA
flag:roof_estimatedpluto:joined
Building – Alterationmultifamily_renovation
$1,840,000
1818 Beacon St, Brookline, MA
flag:roof_missingpluto:joined
Building – Alterationcommercial_tenant_improvement
$980,000
500 Boylston St, Boston, MA
flag:roof_missingpluto:joined
Building – Alterationcommercial_roofing
$0
2200 Massachusetts Ave, Cambridge, MA
flag:val_zeroflag:roof_estimatedpluto:joined
Mechanical – Equipmentcommercial_hvac
$2,200,000
1 Memorial Dr, Cambridge, MA
flag:roof_estimatedpluto:joined
Building – New Buildingindustrial_new
$18,400,000
900 Concord Tpke, Lexington, MA
flag:roof_estimatedpluto:joined
Electrical – Fire Alarmfire_alarm
$240,000
300 Massachusetts Ave, Boston, MA
All values measuredpluto:joined
Why this page exists
Boston on PermitCore: daily-refreshed, IBC-cohort-tagged, DQ-flagged.
Parcel-joined geometry across Boston.
Every commercial permit joined to its lot polygon where source data permits. Join rate Parcel-joined ~86%. Unjoined rows are flagged with addr_unmatched, not silently dropped.
Daily refresh from the metro's open-data portals.
Refreshed every 24h from Boston's public permit datasets. Competitors typically update on the 1st and 15th with multi-week processing lag. PermitCore ingests, cohort-classifies, and DQ-flags by 02:00 local.
Field-level DQ flags on every row.
12 data-quality flags per row. Cell-level transparency on valuation, roof area, IBC class, parcel join, dedup, date sanity. Filter or weight by flag in API queries.
Top Boston contractors
Ranked by permit count, trailing 90 days · Each links to the contractor pageBay State Roofing Cocommercial_roofing · Financial District · Cambridge134Old Colony Multifamilymultifamily_renovation · Brighton · Brookline96Beacon Hill Mechanicalcommercial_hvac · Longwood Medical · Cambridge124Charles River Builderscommercial_new · Back Bay · Lexington68Hub Interior Buildcommercial_tenant_improvement · Back Bay · Financial District88Boston Fire & Safetyfire_alarm · Back Bay54
Boston by cohort
Refreshed hourly via /v1/jurisdictions/boston/cohorts/distribution · Each links to the cohort pageCommercial MEPcommercial_mep134,808Commercial Alterationcommercial_alteration53,730Commercial Signage Permitscommercial_signage4,777Commercial Demolitioncommercial_demolition4,267Commercial New Constructioncommercial_new513ADU-Qualifying Constructionadu_qualifying—Civic Constructioncivic—Commercial Pool Constructioncommercial_pool—Commercial Shell-Only Constructioncommercial_shell_only—Industrial New Constructionindustrial_new—Multifamily Alterationmultifamily_alteration—Multifamily New Constructionmultifamily_new—Residential Alterationresidential_alteration—Residential Demolitionresidential_demolition—Residential Foundation-Onlyresidential_foundation_only—Residential MEPresidential_mep—Residential New (Single-Family)residential_new_sf—Temporary Construction Supporttemporary_construction_support—
Programmatic access
Get the Boston permit feed in your stack.
Self-serve API tiers. No sales calls. Pay with a card. MCP server ships day-1 for AI agents. npm install @permitcore/mcp and you're running.
Anonymous — last 10 days of permits visible on every page; no signup neededFree — signup unlocks 1,000 req/day · 6 cohorts · MCP server · 5K row exports/monthHobby · $49/mo — 10K req/mo · all 18 cohorts · webhooks · 1-year historyBuilder · $149/mo — 100K req/mo · full history · 5 webhooks · 48h support SLA
Custom delivery
Want Boston permit data delivered to your CRM or warehouse?
Self-serve API tiers cover most use cases. If you need direct delivery to Salesforce, HubSpot, Snowflake, BigQuery, or a custom warehouse — tell us the shape and we'll scope a path. Replies within one business day.