J
Join
Collaborative software platform that streamlines decision-making for construction project stakeholders from design through execution
About Join
Join.build is a technology-driven startup focused on streamlining the construction and renovation process for homeowners and property investors. The company offers an end-to-end platform that connects clients with vetted contractors, architects, and designers, providing a transparent and efficient approach to building and remodeling projects. Users can initiate their projects online, receive detailed cost estimates, and track progress through a centralized dashboard. Join.build emphasizes quality control by leveraging a curated network of professionals and implementing project management tools that facilitate communication, documentation, and milestone tracking. The platform also integrates budgeting features, allowing users to monitor expenses and make informed decisions throughout the project lifecycle. By digitizing traditionally fragmented workflows, Join.build aims to reduce delays, minimize risks, and enhance the overall client experience in the construction sector.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2010
- Headquarters
- Oakland, United States
- Employees
- 82
- Open positions
- 1
- Dealroom signal
- 63.1/100
- Industry
- Real Estate, Enterprise Software
- Sub-industry
- Construction
- Sector
- Other B2B Software, Real Estate, Decision Making, Real Estate Planning, Construction Tech, construction management software
- Business model
- SaaS
- Client focus
- b2b
Latest news
Press, funding announcements and product moves mentioning Join.
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VC✓Equity / VC | Sep 2025 | $0 | — | WND Ventures · STO Building Group | ↗ |
| SERIES A✓Equity / VC | Jun 2022 | $16M | $64M | Standard Investments · SignalFire · MetaProp · Building Ventures | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Join is 16K monthly website visits, down 33.3% over the last three months. Join's team declined 13.7% over the past year.
Open positions
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed2 investors entered at this stage
SignalFire
Building Ventures
Series A3 investors entered at this stage
Standard Investments
MetaProp
Ironspring Ventures
Series B and later2 investors entered at this stage
- WVWND Ventures
STO Building Group
Other known investors2 additional known investors
Bolt Innovation Group
Jesse Devitte
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Join on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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