Downtobid
AI-assisted bid package creation and subcontractor matching for commercial construction
- Category
- Business & Sales
- Pricing
- General contractor plans start at $149/month per organization; subcontractors can pay $119/month for a basic bid board or $299/month for full bid management, while free access to planrooms and bid submission is also offered to subcontractors, and exact enterprise or add-on pricing isn't published.
- Best for
- Downtobid is aimed at commercial general contractors running a formal, recurring subcontractor bidding process who want to cut down the manual work of parsing plans and chasing bid responses.
- Official site
- downtobid.ai
- Last updated
- August 2026
Downtobid sits in the pre-construction workflow between general contractors and the subcontractors they invite to bid on a project. On the GC side, the core mechanic is uploading a set of construction drawings and letting the platform's AI parse them sheet by sheet, sort the work into trade packages, and draft initial scope notes, which the estimating team can then edit and send out as invitation-to-bid emails from their own company domain. The platform also maintains a digital planroom per project, organizing specs, sheets, and addenda by trade, and a live dashboard that tracks which invited subcontractors have opened the invite, are actively bidding, or need a reminder.
On the subcontractor side, Downtobid functions more like an aggregation and organization layer: a bid board consolidates every invitation, deadline, and RFI a sub receives across different GCs into one place, paired with a searchable database of verified subcontractor contacts that GCs can browse by trade and location. The company also publishes a network size figure (tens of thousands of subcontractor contacts) and case-study-style efficiency claims — faster plan review, higher email open rates versus generic bid portals, and more bids received per package — though these are self-reported marketing figures rather than independently audited statistics, so they're worth treating as directional rather than exact.
Downtobid is explicitly positioned against established bid-management incumbents like BuildingConnected, iSqFt, PlanHub, and SmartBid, pitching its AI-driven package creation and personalized (as opposed to portal-generic) communication as its main differentiator. It's a vertical tool for the construction bidding niche rather than a horizontal sales or CRM platform, so its relevance is narrow but deep for firms already running a formal bid process.
Downtobid is aimed at commercial general contractors running a formal, recurring subcontractor bidding process who want to cut down the manual work of parsing plans and chasing bid responses. It's equally relevant to subcontractors and trade contractors who receive bid invitations from multiple GCs and want one place to track deadlines, RFIs, and team assignments instead of monitoring several separate bid portals.
Key features
AI package detection
Uploaded plan sets are scanned by AI to identify distinct trade scopes and automatically draft initial scope notes, reducing manual sheet-by-sheet review.
Personalized ITB distribution
Invitation-to-bid emails go out from the general contractor's own email domain rather than a shared portal address, aiming to improve open and response rates.
Real-time bid tracking
A dashboard shows which invited subcontractors have opened an invite, are actively preparing a bid, or need a follow-up nudge before the deadline.
Digital planroom
Project documents — specs, sheets, and addenda — are organized by trade so both GCs and subs can find what's relevant to their scope.
Subcontractor database
A searchable directory of subcontractor contacts filterable by trade and location, used by GCs to find and invite new subs, particularly when expanding into new markets.
Subcontractor bid board
Subs get a single consolidated view of every bid invite, deadline, and RFI they've received across multiple general contractors, with team-assignment tracking to avoid duplicate bidding.
Pricing breakdown
General Contractor
- AI plan analysis and package creation
- Personalized ITB email distribution
- Real-time bid tracking dashboard
Subcontractor – Bid Board
- Centralized bid board for invites and deadlines
- RFI tracking
- Basic subcontractor account features
Subcontractor – Full Bid Management
- Everything in the Bid Board plan
- Expanded bid management tooling
- Team assignment tracking
Subcontractor – Free access
- Access to GC planrooms
- Ability to submit bids
- Basic visibility into invitations
Pros and cons
Pros
- Automating trade-scope detection and scope-note drafting from raw plan sets can meaningfully cut the manual estimating labor GCs normally spend before a bid even goes out.
- Sending invitations from the contractor's own domain, rather than a generic bid-portal address, plausibly improves deliverability and open rates compared to mass-portal emails.
- A single bid board for subcontractors addresses a real pain point — juggling separate logins and email threads across multiple GC portals.
- Offering free planroom access and bid submission to subcontractors lowers the barrier for trade contractors to try the platform without a subscription commitment.
Cons
- Full pricing detail is scattered across pages rather than centralized on a dedicated pricing page, and higher-tier or multi-project enterprise pricing for larger GCs isn't published.
- The tool's usefulness for a GC or sub hinges on how populated and accurate the subcontractor database is in their specific geography and trade — coverage may be uneven outside markets where the company highlights strong numbers.
- As a niche, construction-specific bid tool, it doesn't cover broader sales, CRM, or estimating/takeoff functions that many contractors also need, so it likely sits alongside other software rather than replacing a full estimating stack.
- Performance claims like time saved and response-rate improvements come from the vendor's own case studies rather than independent third-party benchmarks.
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Compare →Frequently asked questions
What does Downtobid actually do?
It's bid management software for commercial construction that uses AI to read project plans, identify trade packages, and help general contractors send personalized invitation-to-bid emails, while giving subcontractors a consolidated board to track bid invites and deadlines.
How much does Downtobid cost?
General contractor plans start at $149/month per organization. Subcontractors can choose a basic bid board plan at $119/month or a full bid management plan at $299/month; subcontractors can also access planrooms and submit bids for free.
Who is Downtobid built for?
It's built for commercial general contractors who issue bid invitations to subcontractors, and for the subcontractors and trade contractors who receive and respond to those invitations.
How does the AI feature work?
Users upload PDF construction drawings, and Downtobid's AI scans the sheets to identify distinct trade scopes and draft initial scope notes, which estimators can then review and refine before sending bid invitations.
What alternatives does Downtobid compete with?
The company positions itself against established bid-management platforms including BuildingConnected, iSqFt, PlanHub, and SmartBid.
Is there a free option for subcontractors?
Yes — Downtobid states that subcontractors can access GC planrooms and submit bids at no cost, with paid tiers available for expanded bid board and bid management features.
Ready to try Downtobid?
Head to the official site to explore pricing and start a free trial where available.
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