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Coast Fibers, Inc.

Coast Fibers, Inc.

Private
San Francisco, CaliforniaEnergy & Sustainabilityhttps://www.coastfibers.com/

Last Round

Seed Round

Feb 26, 2026

Company Overview

Coast Fibers, Inc. is a textile manufacturing company that produces sustainable and locally sourced textiles.

Sector

Energy & Sustainability

Verticals

Sustainable Materials, Circular Economy, Clean Manufacturing, Fashion & Beauty, Supply Chain

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

flax fiberlinen textilesbast fiberfarm-to-fabricsustainable textilesregenerative fiberdomestic manufacturingsupply chain localizationtraceable fiberslow fashiontextile manufacturingagricultural inputscircular economyagtech

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Coast Fibers, Inc. Comparables

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Coast Fibers, Inc. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Green Mountain Linen Company
86%
Tuscarora Mills
83%
Field to Fiber Co.
82%
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Coast Fibers, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Seed RoundFeb 26, 2026
GrantAug 10, 2023
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Key People

Founding team and executive leadership

Will Altschwager

Co-Founder And CEO

Founding Team

Coast Fibers, Inc. Investors

Notable investors and investment history

Coast Fibers, Inc. investors
InvestorRounds
The Fibers FundGrant
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Coast Fibers, Inc. Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Coast Fibers, Inc. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSan Francisco, California
Employee Range3
Year Founded2025
Last FundingFeb 26, 2026

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