Skip to content
Products API & Data Search Coverage Property History Alerts For Contractors Data Exports
Solutions Solar & Energy Roofing HVAC Real Estate Insurance Lenders & CRE Contractors
Pricing Refer & Earn API Docs Sign In Get Started
District of Columbia

Washington DC, District of Columbia Building Permit Search

PermitStack indexes 951,661 building permits issued in Washington DC, District of Columbia, with 59,676 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.

951,661
Total permits
59,676
Last 12 months
3,066
Last 30 days
-46%
vs same period prior year
Oct 16, 2026
Latest permit

Permits by category (last 12 months)

Most common permit types issued in the last year.

Renovation
7,829
Plumbing
4,271
Electrical
3,826
Solar
1,931
Roofing
1,523
Mechanical
1,398
Interior remodel
1,187
Fence
1,032
Demolition
594
HVAC
549

Permit data by trade in Washington DC

Drill into the most common permit categories in Washington DC.

Property history for Washington DC

Every permit we hold for one Washington DC address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.

Most recent permits

The 10 most recent permits issued in Washington DC, District of Columbia. Full dataset available via REST API.

IssuedPermit #AddressCategoryDescription
2026-10-15B27002375036 BASS PL SE, WASHINGTON, DC 20019HVACINTERIOR RENOVATION OF EXISTING SINGLE FAMILY DWELLING(SFD). NEW KITCHEN, FLOORING...
2026-10-15SOL26027925020 ASTOR PL SE, WASHINGTON, DC 20019SolarUNIT 1: Installation of a roof-mounted PV solar system with a capacity of 4.840 kW...
2026-10-15B27000553926 ILLINOIS AVE NW, WASHINGTON, DC 20011Interior remodelFirst floor: new kitchen in existing location, relocate existing half bath, new me...
2026-10-15B26068971815 WISCONSIN AVE NW, WASHINGTON, DC 20007Interior remodelCFA / H THE SCOPE OF WORK FOR THIS PROJECT CONSISTS OF: -REMODELING OF EXISTING RE...
2026-10-15B26083333246 PROSPECT ST NW, WASHINGTON, DC 20007OtherHistoric- CFA Revision to previously approved permit #B2603308. Revision is limite...
2026-10-15B26055922023 11TH ST NW, WASHINGTON, DC 20001AdditionRevision to permit number B2403039 - Unit one - Bigger bedroom and relocation kitc...
2026-10-15SOL27000221324 INDEPENDENCE AVE SE, WASHINGTON, DC 20003SolarHISTORIC Installation of a new, roof mounted solar photovoltaic electrical panels.
2026-10-15D2600119422 3RD ST SE, WASHINGTON, DC 20003AdditionRemoval of boiler room and group restrooms to allow for new addition to be located...
2026-10-15B2607106615 H ST NW, WASHINGTON, DC 20001PoolRevision to Building Permit B2500145 incorporating MEP changes to the 11th and 12t...
2026-10-15E27004801824 PHELPS PL NW, WASHINGTON, DC 20008ElectricalElectrical Trade Permit

Access Washington DC permit data via API

Query Washington DC, District of Columbia permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.

# Search Washington DC permits issued in the last 30 days
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.permit-stack.com/v1/permits/search?city=Washington%20DC&state=DC&issued_after=2026-09-23"

Sources for Washington DC

The official record sets behind this page, with the date each one's data runs through.

Record setSourcePermitsData throughNote
Permitsopen data (ArcGIS)951,6612026-10-16

Other cities we cover

Related coverage in District of Columbia and nationwide.

FAQ

Where does PermitStack get Washington DC permit data?

We ingest Washington DC's official permit records directly from ArcGIS Hub and normalize them into a consistent JSON schema across our U.S. jurisdictions.

How current is the Washington DC data?

The newest permit we hold for Washington DC, District of Columbia is dated October 16, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Some cities publish permits days after they are filed.

Can I access Washington DC permits without an API key?

Yes — search Washington DC permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).

Can I export Washington DC permit data?

Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.

How long does a Washington DC building permit take to issue?

The median time from permit filing to issuance in Washington DC, District of Columbia is 8 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.

Get Washington DC permit data in your app today

Free tier covers 100 requests per day. No credit card required.

Get Free API Key