Diligence memo · auto-generated · as of July 2, 2026
3421 Rainier Partners, LLC
3421 Rainier Partners, LLC looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
3421 Rainier Partners, LLC operates in Construction, based in SEATTLE.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
3421 Rainier Partners, LLC has raised $600K in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).
Largest single filing: $600K on 2017-06-15.
Most recent recorded round closed around 2017-06-15.
Valuation (modeled)modeled
Provath models 3421 Rainier Partners, LLC at approximately $5.6M (range $400K–$64M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.20× the median modeled value of Pre-Seed Construction companies in 2016–2018 (47 peers) — value vs value, same stage and era. Within the normal band (120% of peer median) for its niche.
Financing rhythm & timingmixed
Last raise 9.0 yr ago; this sector typically re-raises about every 12 months.
Only one round on record and long silent — often defunct, acquired, or gone quiet.
Comparablesmixed
Capital scale ranks ahead of 55% of Construction peers (1338 compared).
Modeled value ranks above 62% of those peers.
Closest niche peers: Koit Goodhie1, Llc, VEI Solutions, Inc., Beacon Hill Spokane Inc., Qdef 16 Llc, Qpoint 23 Llc.
Peoplefiled
1 named person on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.