Building – New Buildingcommercial_new
$84,200,000
1500 K St NW, Washington, DC
flag:roof_estimatedpluto:joined
MAPPED · refreshed 6h agoLast 10 days of permits fully visible publicly · daily refresh · Parcel-joined ~93% · 18 IBC cohorts · 12 DQ flags per row
Washington, DC building permits
Permits indexed
510,600
All 510,600 Washington, DC permits indexed — daily refresh, parcel-joined ~93%. 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 6h ago · daily refresh active
510,600 permits in Washington, DC. Search filters across address, contractor, cohort, and permit type.v1 — filters in-memory across recent permits; full DuckDB-WASM 30-day slice ships next.
Washington, DC insights
Derived nightly from the silver dataset · last updated 2026-05-24 02:00 ETCommercial tenant improvement in DC is up this month vs last
+8%
Top cohorts this quarter
commercial_tenant_improvement · commercial_renovation · commercial_hvac
Most active neighborhood this week
Downtown
Federal-contract TI activity vs last quarter
+14%
Recent commercial permits
Building – Alterationcommercial_tenant_improvement
$2,400,000
1717 Pennsylvania Ave NW, Washington, DC
flag:roof_missingpluto:joined
Mechanical – Equipmentcommercial_hvac
$1,820,000
1100 New York Ave NW, Washington, DC
flag:roof_estimatedpluto:joined
Building – New Buildingmultifamily_new
$32,400,000
2424 14th St NW, Washington, DC
flag:roof_estimatedpluto:joined
Building – Alterationcommercial_roofing
$1,480,000
1212 18th St NW, Washington, DC
flag:roof_estimatedpluto:joined
Building – Alterationcommercial_tenant_improvement
$980,000
800 17th St NW, Washington, DC
flag:roof_missingpluto:joined
Mechanical – Equipmentcommercial_hvac
$0
500 7th St NW, Washington, DC
flag:val_zeroflag:roof_estimatedpluto:joined
Building – Alterationcommercial_renovation
$2,200,000
1717 H St NW, Washington, DC
flag:roof_missingpluto:joined
Electrical – Fire Alarmfire_alarm
$280,000
1000 H St NW, Washington, DC
All values measuredpluto:joined
Why this page exists
Washington, DC on PermitCore: daily-refreshed, IBC-cohort-tagged, DQ-flagged.
Parcel-joined geometry across Washington, DC.
Every commercial permit joined to its lot polygon where source data permits. Join rate Parcel-joined ~93%. Unjoined rows are flagged with addr_unmatched, not silently dropped.
Daily refresh from the metro's open-data portals.
Refreshed every 24h from Washington, DC'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 Washington, DC contractors
Ranked by permit count, trailing 90 days · Each links to the contractor pageCapital Region Builderscommercial_new · Downtown · U Street84Beltway Interior Buildcommercial_tenant_improvement · Downtown · Foggy Bottom168Potomac Mechanical Inccommercial_hvac · Downtown · Penn Quarter124DC Commercial Roofingcommercial_roofing · Dupont Circle92DC Fire & Safetyfire_alarm · Downtown58
Washington, DC by cohort
Refreshed hourly via /v1/jurisdictions/dc/cohorts/distribution · Each links to the cohort pageCommercial MEPcommercial_mep54,734Commercial Alterationcommercial_alteration20,293Commercial Signage Permitscommercial_signage1,909Commercial Demolitioncommercial_demolition1,249Commercial New Constructioncommercial_new366ADU-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 Washington, DC 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 Washington, DC 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.