Building – Alterationmultifamily_alteration
$1,820,000
1414 E Pike St, Seattle, WA
flag:roof_missingpluto:joined
127 Multifamily Alteration permits in Seattle
Updated 8h ago via daily refresh. Multifamily Alteration subset of the 740,200 total Seattle permits indexed.
Permits indexed127Across Seattle
RefreshDailyLast update 2026-05-24 02:00 PT
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Multifamily Alteration in Seattle?
Multifamily alteration permits cover changes to existing apartment and condo buildings — unit-level reconfigurations, common-area overhauls, structural retrofits, roof replacements, and substantial systems work. The highest-volume multifamily cohort in most US metros because turnover + aging-stock maintenance dominate filings against existing buildings.
Recent multifamily alteration permits in Seattle
Other cohorts in Seattle
- Commercial Alteration41,267
- Commercial New Construction3,371
- Multifamily New Construction2,802
- Commercial Demolition2,577
- Residential Demolition404
- Industrial New Construction254
- ADU-Qualifying Construction
- Civic Construction
- Commercial MEP
- Commercial Pool Construction
- Commercial Shell-Only Construction
- Commercial Signage Permits
- Residential Alteration
- Residential Foundation-Only
- Residential MEP
- Residential New (Single-Family)
- Temporary Construction Support
Multifamily Alteration in other metros
FAQ
Frequently asked about multifamily alteration permits in Seattle
- How many multifamily alteration permits are pulled in Seattle each year?
- 127 multifamily alteration permits are currently indexed for Seattle. Volume varies year over year; PermitCore tracks both historical totals and current rolling-window activity.
- Where can I see the latest multifamily alteration permits in Seattle?
- The grid above shows the most recent multifamily alteration permits in Seattle, 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 multifamily alteration data in Seattle refreshed?
- Seattle 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 Seattle multifamily 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 multifamily alteration permit filings.
Custom delivery
Want Multifamily Alteration in Seattle 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.