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Rudus

AI-powered takeoff and estimation for concrete contractors

AI platform that reads structural PDF plan sets and auto-detects concrete elements (footings, walls, columns, slabs), expanding each into priced concrete, formwork, and rebar line items for concrete subcontractor estimators. Y Combinator-backed (Summer 2026 / S26 batch); founded 2026 by ex-Amazon and ex-Airbnb engineers, currently a 2-person team.

Not publicly disclosed — Y Combinator pre-seed investment as part of the Summer 2026 (S26) batch; no separate seed/Series A round found raisedEarly Stage
Founded 2026 · Not publicly disclosed — no named customers, case studies, or user counts found. Company reports aggregate, self-described performance claims (70% less takeoff time, 3-5x more bids submitted, 50% higher revenue per estimator) without disclosing sample size or methodology. 2-person team as of the YC Summer 2026 (S26) batch; a third-party review (myquoteiq.com) noted traction is unverified — no customer logos, pricing page, or press coverage found.
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WHY IT EXISTS

Why This Tool Exists

The Problem

Concrete subcontractor estimators manually measure and quantify footings, walls, columns, and slabs sheet-by-sheet from structural plan sets, then hand-calculate concrete, formwork, and rebar line items — a slow process that caps how many bids an estimating team can turn around and limits revenue per estimator.

The Solution

Rudus applies computer vision to uploaded structural PDF plan sets, auto-classifying each sheet (foundation plans, section details, footing schedules, framing elevations) and detecting concrete elements while following cross-sheet references to resolve dimensions that plan-only tools can miss. Each detected element expands into full assembly line items (concrete, formwork, rebar) that estimators review, adjust, and ask questions about before exporting a priced takeoff to HeavyBid, Sage, B2W, or Excel.

USAGE

How You Use It

Delivery Method
SaaS (web app)
Integrations
HCSS HeavyBidSageB2WExcel
Disciplines
Construction, Structural Engineering
Workflows
Design & BIM, Estimating & Cost
Project Phases
Bidding/Procurement
Project Types
Commercial, Residential, Infrastructure, Industrial
TRANSPARENCY

Data Transparency

Exactly what this tool uses and how

Input
What it needs
Required:Structural construction plan sets (PDF)
Optional:Project schedules, Specification/detail sheets
Formats:PDF
Output
What you get
Format:Priced concrete takeoff with line-item quantities, viewable in-app or exported
Fields:Concrete quantities by element (footings, walls, columns, slabs), Formwork quantities, Rebar/reinforcement quantities and calculations, Priced line items
Algorithm
How it works
Model:Proprietary computer vision models, per third-party funding-analysis coverage described as "trained on customer data"; specific model architecture not publicly disclosed
Accuracy:Vendor claims 70% reduction in takeoff time, 3-5x more bids submitted, and 50% higher revenue per estimator; these are self-reported outcome metrics, not independently audited element-detection accuracy figures
Privacy
How your data is protected
Retention:Not publicly specified — a "Privacy Policy" link is present on the company website but its destination/content was not accessible as of research date
Training:Not confirmed on an official Rudus privacy policy page; a third-party funding-analysis site (Extruct AI) describes the product as using "proprietary computer vision models trained on customer data"
Compliance:Not publicly specified — no SOC 2, ISO 27001, or other compliance certifications found
API
Integration
Endpoint:Contact vendor for API access
Method:Not publicly documented
USE CASES

Use Cases

  • ·Automated concrete quantity takeoffs from structural PDF plan sets (footings, walls, columns, slabs)
  • ·Generating priced concrete, formwork, and rebar line items for competitive bids
  • ·Cross-referencing plan sheets to resolve dimensions and catch details spread across multiple sheets
  • ·Increasing the number of bids a concrete estimating team can submit without adding headcount
  • ·Exporting takeoff quantities into existing estimating/accounting systems (HeavyBid, Sage, B2W, Excel)
PRICING

Pricing

Free
Not publicly listed; company offers a demo request (with optional plan upload) and a 30-minute consultation call rather than a self-serve free tier
Pro
Not publicly specified — pricing not listed on the company website
Enterprise
Contact vendor for pricing
Sources & Research NotesResearch date: 2026-07-17
Data Sources (8)
Fields Checked (11)
problem, solution, deliveryMethod, integrations, yearFounded, disciplines, input-formats, output-fields, algorithm-approach (vendor-described), useCases, founders/team
Not Found (7)
fundingTotal (specific amount), customerBase (named customers/counts), pricing tiers, API documentation/endpoint, privacy policy content (retention, training, location), compliance certifications, independently audited accuracy figures
About this research: This record summarizes the cited sources and fields checked. A research date does not establish hands-on testing. Consult the original sources for current details and limitations.
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