242,979 Commercial Alteration permits in San Francisco
Updated 9h ago via daily refresh. Commercial Alteration subset of the 870,400 total San Francisco permits indexed.
Permits indexed242,979Across San Francisco
RefreshDailyLast update 2026-05-24 02:00 PT
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Commercial Alteration in San Francisco?
Commercial alteration permits cover the broad set of changes to existing commercial buildings — tenant improvements, additions, structural alterations, adaptive reuse, AND roofing/envelope work that doesn't trigger a separate sub-cohort. The highest-volume commercial cohort in most US metros because TI turnover + re-roofing cycles dominate filings against existing stock.
No demo commercial alteration permits in the current San Francisco sample — cohort grid populates from the live API at B1.6+.
Other cohorts in San Francisco
- Multifamily Alteration286,803
- Commercial Signage Permits15,244
- Multifamily New Construction4,572
- Residential Alteration4,510
- Commercial Demolition3,224
- ADU-Qualifying Construction2,821
- Commercial New Construction1,793
- Residential Demolition526
- Industrial New Construction31
- Civic Construction
- Commercial MEP
- Commercial Pool Construction
- Commercial Shell-Only Construction
- Residential Foundation-Only
- Residential MEP
- Residential New (Single-Family)
- Temporary Construction Support
Commercial Alteration in other metros
FAQ
Frequently asked about commercial alteration permits in San Francisco
- How many commercial alteration permits are pulled in San Francisco each year?
- 242,979 commercial alteration permits are currently indexed for San Francisco. Volume varies year over year; PermitCore tracks both historical totals and current rolling-window activity.
- Where can I see the latest commercial alteration permits in San Francisco?
- The grid above shows the most recent commercial alteration permits in San Francisco, paginated 25 per page. For programmatic access — filter by cohort, by date range, by contractor — use the PermitCore API or download via the sandbox.
- How is the commercial alteration data in San Francisco refreshed?
- San Francisco permit data is refreshed daily from the city's open-data portal. Cohort classification is applied automatically via PermitCore's LLM-1 classifier; field-level data-quality flags surface inline so you can filter for clean rows.
- Can I export San Francisco commercial alteration permits?
- Yes — the free tier includes 5K rows of CSV export per month. Paid tiers expand to Parquet export, 50K-2M rows, and webhook delivery on new commercial alteration permit filings.
Custom delivery
Want Commercial Alteration in San Francisco 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.