Building – Alterationmultifamily_alteration
$1,240,000
1717 SE Hawthorne Blvd, Portland, OR
flag:roof_missingpluto:joined
348 Multifamily Alteration permits in Portland
Updated 24h ago via daily refresh. Multifamily Alteration subset of the 340,100 total Portland permits indexed.
Permits indexed348Across Portland
RefreshDailyLast update 2026-05-20 03:00 PT
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Multifamily Alteration in Portland?
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 Portland
Other cohorts in Portland
- Multifamily New Construction2,645
- ADU-Qualifying Construction
- Civic Construction
- Commercial Alteration
- Commercial Demolition
- Commercial MEP
- Commercial New Construction
- Commercial Pool Construction
- Commercial Shell-Only Construction
- Commercial Signage Permits
- Industrial New Construction
- Residential Alteration
- Residential Demolition
- 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 Portland
- How many multifamily alteration permits are pulled in Portland each year?
- 348 multifamily alteration permits are currently indexed for Portland. 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 Portland?
- The grid above shows the most recent multifamily alteration permits in Portland, 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 Portland refreshed?
- Portland 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 Portland 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 Portland 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.