Contractors & Construction Accounting

Construction Document Processing Software for AIA Pay Applications, Lien Waivers, and Change Orders

DocuOCR reads the project paperwork your team handles on every job, classifies each form, and pulls the schedule of values, retainage, waiver amounts, and policy limits you need, straight from AIA pay applications, lien waivers, change orders, submittals, and certificates of insurance. No template per subcontractor, no keying the same draw twice.

Built for US general contractors, subcontractors, and the project accounting teams that key pay-app and lien-waiver data into Procore, Sage, Foundation, Viewpoint, and QuickBooks on every billing cycle.

  • Classifies a mixed pay package
  • Reads forms from any subcontractor or carrier
  • Extracts schedule of values and retainage
  • Exports to your construction accounting system
Upload a document, no signup

PDF, JPG, PNG, BMP, HEIC, TIFF

Upload a document to extract

Drop in an AIA pay application, a lien waiver, or a certificate of insurance to watch DocuOCR read it and pull out the data, free, no signup required.

SOC 2 Type II
256-bit encryption
US data handling
Seconds per document
Every draw
pay packages read and extracted in minutes
Any sub
waivers and pay apps read without a per-form template
Seconds
to read a schedule of values keyed by hand
95-99%
field accuracy with validation
// What it is

What construction document processing software does

A construction project runs on paper that never stops moving. Every billing cycle brings a stack of AIA pay applications, each with a continuation sheet itemizing the schedule of values. Every payment has to be matched to a lien waiver, conditional or unconditional, from each sub and supplier. Change orders revise the contract sum, submittals and RFIs cycle through review, certificates of insurance have to stay current, and certified payroll has to be filed on prevailing-wage jobs. Someone in project accounting keys all of it into Procore, Sage, Foundation, or QuickBooks, line by line, and when a busy month lands fifty pay packages on the same desk, the keying becomes the bottleneck that slows the draw.

Construction document processing software takes the keying off your team. It reads each document, identifies what it is, and extracts the fields your accounting and compliance records depend on: the contract sum, change orders, work completed, and retainage from a G702 and G703, the claimant and amount and waiver type from each lien waiver, the limits and expiration from a COI. Instead of retyping a draw package into the system of record, your project accountants review what the software already pulled and spend their time on the numbers that matter, not on data entry.

The change that makes this practical is AI. Older tools needed a separate template for every subcontractor's form and broke the moment a waiver came in as a phone photo or a pay app arrived from an unfamiliar sub. Modern extraction reads a document by understanding its structure, so it knows which value is the retainage and which is the current payment due no matter where they sit on the page, and it reads the handwriting on a field-completed certified payroll report. That is the difference between software that adds review work and software that clears the pay-app pile before it holds up the draw.

// What it reads

The documents a contractor processes on every job

DocuOCR classifies and extracts the forms that fill a construction billing cycle, however they arrive: native PDFs from project management software, scans, emailed subcontractor packets, faxes, or phone photos of a signed waiver.

AIA G702 and G703 pay applications

Reads the application for payment and its continuation sheet, pulling the contract sum, change orders to date, work completed and stored, retainage, previous certificates, and the current payment due, line by line off the schedule of values.

Lien waivers, conditional and unconditional

Captures the claimant, the amount, the through-date, the project, and the waiver type from each waiver, and flags when an unconditional waiver appears before payment is confirmed.

Change orders and change order requests

Extracts the change order number, the description and reason, the cost and schedule impact, and the revised contract sum so every approved change updates the contract value as structured data.

Submittals and RFIs

Reads submittals and requests for information, capturing the spec section, the item, the status, the ball-in-court party, and the dates so nothing drops out of the log and stalls the schedule.

Certificates of insurance (COIs)

Pulls the insured, carrier, policy numbers, coverage limits, effective and expiration dates, and additional insured, so a sub whose coverage lapses gets flagged before they are on site.

Certified payroll and subcontractor invoices

Reads certified payroll such as the WH-347 for prevailing-wage jobs, plus subcontractor and material invoices, capturing employees, hours, classifications, rates, and amounts.

Daily field reports, purchase orders, and bid documents move through the same pipeline in the office and the field. DocuOCR classifies a mixed pay package so each item gets the right extraction, with the data already pulled. To see how the engine sorts a mixed file first, read about document classification software, and for the structured pay-application and waiver forms, see form processing software. To pull the schedule of values, stored materials, and retainage from the G702 and G703 forms subcontractors submit, see our AIA pay application OCR. If you only need subcontractor and material invoices pulled into a spreadsheet, our construction invoice to Excel converter handles that specific task.

// How it works

How construction data extraction works

Classify, read, extract, validate. Drop a pay package in and the whole sequence runs on its own.

1. Classify the package

The engine reads a mixed pay package and sorts it by type, pay application, lien waiver, change order, COI, so the right extraction runs on each form.

2. Read every page

OCR and ICR convert project-management PDFs, scans, faxes, and phone photos into machine-readable text, including the hand-signed fields on a waiver or certified payroll report.

3. Extract the data

DocuOCR pulls the values tied to their labels, so you get named fields, contract sum, retainage, waiver amount, policy limit, instead of a wall of text.

4. Validate and route

Values run through your rules and totals checks, low-confidence reads route to review, and clean data exports to your construction accounting system or by API with an audit trail.

Pay application in, structured data out
# pay_application_g702.pdf  ->  extracted data
{
  "doc_type":        "aia_g702_pay_app",
  "contract_sum":    "$2,480,000.00",
  "change_orders":   "$84,500.00",
  "completed_stored": "$1,610,200.00",
  "retainage":       "$161,020.00",
  "payment_due":     "$268,400.00",
  "confidence":      0.98
}
# classified, read, validated, audit-trailed for accounting
// Built for construction

What construction document software has to get right

Reading a clean PDF is the easy part. These are the capabilities that decide whether the software actually clears the pay-app pile and keeps draws moving.

Classify a mixed pay package

Sorts a billing package by document type automatically, so no one separates pay apps, waivers, change orders, and COIs by hand before processing starts.

Any subcontractor or carrier form

Reads pay applications, waivers, and certificates from any sub or carrier without a per-form template, so an unfamiliar layout does not break the flow.

Schedule of values and totals

Captures the line-item schedule of values, the retainage, and the math on a G702 and G703 as validated named fields, and checks the totals tie out.

Handwriting and signed forms

Reads hand-completed lien waivers and certified payroll reports with intelligent character recognition, routing low-confidence reads to a reviewer.

Human-in-the-loop review

Flags low-confidence fields and exceptions for project accounting, so a waiver amount or policy limit is never trusted on an unverified read before it hits a payment or a compliance file.

Export to your accounting and ERP

Pushes the extracted fields into the construction accounting or ERP system your team already runs on, with a confidence score and audit trail on every value.

On payment risk and compliance: lien waivers carry real legal exposure and certified payroll feeds prevailing-wage records, so DocuOCR supports your lien-waiver tracking and certified payroll extraction and recordkeeping with encryption in transit and at rest, role-based access, a full audit trail of every extraction and review, configurable retention, and US data handling. How records satisfy an audit or a lien deadline depends on how a system is configured and operated, so we work with contractors and construction firms on deployment, ask us about your specific requirements.

// Manual vs automated

Manual data entry vs automated processing

The cost of manual keying is not just hours. It is the missed lien waiver deadline, the wrong retainage figure, and the draw that waited while a pay package sat in a queue.

Factor Automated (DocuOCR) Manual data entry
Time per document Seconds to read and extract Minutes of reading and keying each line
Sorting the pay package Classified automatically Forms separated by hand
Wrong retainage or waiver amount Flagged at capture Caught after a payment or audit
Unfamiliar subcontractor form Read on the first pass Re-learned by each clerk
Keying the draw into accounting Extracted once, exported Retyped line by line into the ERP
Pay-app pile at month end Cleared in a queue Stacks up and delays the draw

DocuOCR is built on intelligent document processing: it classifies the package, reads any subcontractor or carrier form, extracts the data, and validates it, so your project accounting team reviews data instead of retyping it.

// Who uses it

Who uses construction document processing software

Any team that keys data off project paperwork to pay a sub, release a draw, or pass an audit gets time back.

General contractors

Read every subcontractor pay application and lien waiver in a billing cycle, extract the schedule of values and waiver amounts, and route clean data into accounting without keying each draw by hand.

Subcontractors and specialty trades

Pull data off your own pay apps, change orders, and the COIs and waivers you exchange with the GC, so billing and compliance paperwork stops eating field-office time.

Construction accounting and AP

Capture pay-app, waiver, invoice, and COI data straight into Sage, Foundation, Viewpoint, or QuickBooks, so the month-end pay-app pile clears without overtime.

Owners, developers, and construction lenders

Read the draw package, lien waivers, and supporting docs that come up on every funding request, so a draw is reviewed and released faster.

Homebuilders

Process purchase orders, invoices, and lien waivers across many lots and trades with one engine, keeping a clean record of who was paid and waived.

Construction tech and ERP platforms

Call the API to add document classification and data extraction to your own construction management, accounting, or contech product.

// For developers

An OCR API for your construction workflow

Run documents by hand in the dashboard, or call the same engine from your construction management, accounting, or contech platform with one REST request. Post a pay application, lien waiver, or COI and get back the classified type, the recognized text, and the extracted fields, with a confidence score on every value.

  • One endpoint classifies, reads, and extracts
  • Returns named project fields, not just text
  • ICR reads hand-signed waivers and certified payroll
  • Encryption in transit and at rest, US data handling
POST /v1/extract
# classify + extract a construction document
curl https://api.docuocr.com/v1/extract \
  -H "Authorization: Bearer $KEY" \
  -F "file=@pay_application.pdf" \
  -F "classify=true"

# -> doc type + fields + confidence
// Pricing

Priced per page, not per seat

No seat licenses and no setup fees. Start free to check accuracy on your own pay applications and waivers, then pay per page as your volume grows. High-volume contractors and contech platforms move to committed plans with lower per-page rates and priority throughput.

// FAQ

Construction document processing FAQ

The questions project accountants, controllers, and PMs ask most before they automate document processing.

What is construction document processing software?

Construction document processing software reads the project paperwork a contractor handles on every job, identifies what each document is, and extracts the data into structured fields. It handles AIA G702 and G703 applications for payment, lien waivers, change orders, submittals, RFIs, certificates of insurance, and certified payroll, then validates the values before they reach your construction accounting or ERP system. Instead of project accountants keying the schedule of values, retainage, and waiver amounts by hand off every pay package, the software pulls the data once and routes anything uncertain to review.

How does OCR work for construction documents?

OCR converts a scanned or emailed construction document into machine-readable text, and intelligent document processing then pulls the fields that matter into named values. On an AIA G702 it captures the contract sum, change orders to date, work completed, stored materials, retainage, and the current payment due; on a lien waiver it reads the claimant, the amount, the through-date, and the waiver type. Because construction paperwork arrives as PDFs, scans, faxes, and phone photos from dozens of subs, OCR turns that pile into clean data your accounting system can ingest without a clerk retyping every line.

What is an AIA G702 and G703 pay application?

The AIA G702 is the cover sheet of a construction application for payment: it carries the contract sum, change orders to date, total completed and stored to date, retainage, previous certificates, and the current payment due, with the contractor and architect certifications. The G703 is the continuation sheet that itemizes the schedule of values behind it, line by line. The two are submitted together as one pay package. Construction document processing software reads both, extracts the math hierarchy, and exports it so the draw lands in your accounting system without a manual rekey.

What is the difference between a conditional and unconditional lien waiver?

A conditional lien waiver takes effect only once payment actually clears, so it is the safe one to sign when a check is in hand but not yet cashed. An unconditional waiver gives up lien rights immediately, whether or not payment has cleared, so it should appear only after funds are confirmed. The distinction is a legal one, and signing the wrong type at the wrong stage creates real exposure. Document processing software reads the claimant, the amount, the through-date, and the waiver type, and can flag when an unconditional waiver shows up before payment is confirmed.

What is a submittal in construction?

A submittal is the package a subcontractor or supplier sends for review to show that a proposed material, product, or shop drawing meets the project specifications before it is fabricated or installed. Common submittals include product data sheets, samples, shop drawings, and mock-ups, each tied to a specification section. Submittals move through a review and approval cycle alongside RFIs, and missing or late ones stall the schedule. Construction document processing software reads submittals and RFIs, capturing the spec section, the item, the status, and the dates so nothing falls out of the log.

Can OCR extract data from lien waivers and pay applications?

Yes. OCR and intelligent document processing read lien waivers and AIA pay applications regardless of the form a sub uses, capturing the claimant and project on a waiver and the contract sum, schedule of values, retainage, and current payment due on a G702 and G703. Because every subcontractor sends a slightly different layout, the engine reads them without a template per sub and flags low-confidence fields for review. That turns the monthly pay-app pile and the stack of waivers that must match each payment into structured data your accounting team can reconcile in minutes.

How accurate is OCR for construction documents?

Modern AI OCR commonly starts around 95% field-level accuracy on clean documents and climbs toward 99% with validation. Accuracy matters in construction because a misread amount on a lien waiver, a wrong retainage figure on a pay application, or a transposed limit on a certificate of insurance flows straight into a payment or a compliance record. The dependable pattern is straight-through processing for high-confidence values and a short review queue for anything the engine flags, so a project accountant checks the few uncertain fields rather than rekeying every pay package and waiver by hand.

Can it integrate with construction accounting and ERP software?

Yes. Construction document processing software is built to feed the systems you already run rather than replace them. After it reads a pay application, lien waiver, or invoice, it exports the extracted fields as a file or pushes them through an API into construction accounting and ERP platforms such as Procore, Sage 300 CRE, Foundation, Viewpoint, and QuickBooks. That means the schedule of values, waiver amounts, and invoice data land where your project accounting team already works, without anyone rekeying a draw package at every handoff between the field, the PM, and accounting.

Can OCR read certificates of insurance and certified payroll?

Yes. Certificates of insurance and certified payroll reports are structured but vary by carrier and by agency, and the software reads them without a separate template for each form. On a COI it captures the insured, the carrier, the policy numbers, the coverage limits, the effective and expiration dates, and the additional insured, so you can flag a sub whose coverage lapses. On a certified payroll report such as a WH-347 it reads the employees, hours, classifications, and rates needed for prevailing-wage compliance, capturing the handwriting on field-completed forms too.

What is the best document processing software for construction companies?

The best document processing software for construction companies reads a pay application, lien waiver, change order, or COI from any subcontractor without a per-form template, captures the schedule of values, retainage, waiver amounts, and policy limits accurately, classifies a mixed pay package automatically, validates the values, and exports through an API into your construction accounting or ERP system with an audit trail. DocuOCR does this across AIA pay applications, lien waivers, change orders, submittals, and COIs, and lets you test it on your own documents first before you commit to a plan.

// Explore

Go deeper on document automation

Fill out an AIA G702/G703 pay application

A step-by-step guide to the pay application, plus how to extract its values automatically.

What is a schedule of values?

How the SOV drives a G703 continuation sheet and the fields extraction pulls from it.

AIA pay application OCR

Extract the G702 summary and the full G703 schedule of values, with stored materials and retainage, from every incoming pay application.

Schedule of values OCR

Convert just the G703 schedule of values to Excel, every line item, scheduled value, percent complete, and retainage kept separate.

Lien waiver OCR

Read the conditional and unconditional waivers subs submit and pull the claimant, amount, through date, and type into Excel, one row each.

Certified payroll OCR

Extract every worker row from the WH-347 certified payrolls subs submit, with hours, classification, rate, fringe, and deductions, for prevailing-wage review.

Intelligent document processing

The end-to-end IDP workflow that classifies, reads, extracts, and validates documents in one pipeline.

Data extraction software

The full platform behind the construction workflow, with a dashboard for teams who want document data without code.

Document classification software

How the engine sorts a mixed pay package by document type before extraction runs.

Form processing software

How DocuOCR reads structured pay-application, waiver, and certified payroll forms field by field.

Automated data entry software

Replace the keying of pay-app, waiver, and invoice data into your accounting system with automated extraction.

OCR API

Add pay-application, lien-waiver, and COI extraction to your own construction or contech product with one REST call.

Turn project paperwork into data

Upload a pay application, a lien waiver, or a certificate of insurance, watch DocuOCR read it and pull out the data, then connect the API to process every billing cycle that follows on its own.