Quantity Takeoff Services Across All CSI Divisions
Q4. How do you handle incomplete drawings or missing details? If information is missing but a reasonable assumption can be made, that assumption is documented in the Excel notes and/or on
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Help Center | Construction Takeoff Guide
This detailed guide walks you through every step of the ordering process, from selecting divisions on the pricing page to downloading your completed takeoff files.
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Takeoff & Construction Estimating Blog
Contact Us [email protected] (302) 394-9199 Sign in Home Services Pricing About Us Help Center Resources Order Your Takeoff
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On‑Demand Construction Takeoff Services for Busy Estimators
Send live projects to OSTE whenever your bid log spikes. We handle your Div 08 and Div 10 takeoffs so your team can focus on pricing and winning more bids. “Plans are messy – I feel like a mind reader.”
Free QuoteHJT 600W+ Modules
Heterojunction technology with up to 600W+ power, bifacial design, 25-year warranty – ideal for utility and commercial projects.
All-in-One Home Storage
5kWh to 20kWh LiFePO4 batteries with hybrid inverter integrated, single-phase or three-phase, backup ready.
Solar Carport & Fast Charge
Durable steel carports with integrated PV, EV charging, and ultra-fast battery charging (2C rate).
Container ESS & Microinverter
500kWh–5MWh containerized BESS, liquid thermal management, plus microinverters (300W–2000W) and solar street lights.