Now in Early Access

Permits in
minutes, not months.

Upload your construction plans. ClearBlock runs 100+ code checks, flags violations with fix recommendations, and files your permit — automatically.

100+ code checks
Every jurisdiction
ROI guaranteed
ClearBlock — Compliance Report
residential_plans_v3.pdf — 12 sheets analyzed 98% complete
Setback requirements — Front: 25ft (20ft min)
Egress width — 36" hallway (36" min per IRC R311.6)
Window egress area: 5.0 sf (5.7 sf min — IRC R310.2.1)
Fix: Increase bedroom 2 window to 24"×34" minimum opening
Stair geometry — 7.75" rise, 10" run (IRC R311.7)
! Smoke detector placement — verify spacing in great room
Energy compliance — Title 24 prescriptive path met
Structural — load path continuous to foundation
7 passed 1 violation 1 warning

Permitting is broken.

Every residential permit costs $10,000–$25,000 in avoidable overhead. Most of it is preventable.

$1,875
per permit in staff time

15–25 hours researching codes, filling forms, assembling docs

60–70%
first submissions get corrections

Each cycle: architect revisions, resubmission, another review round

$10K/mo
in carrying costs per delay

Loan interest, insurance, taxes, opportunity cost — compounding

1–3
correction cycles per project

$2,500–$4,000 per cycle in architect revisions alone

Three steps. Zero guesswork.

From plan upload to filed permit. ClearBlock handles the entire compliance workflow.

1 Upload Plans

Drop your drawings. We handle the rest.

Upload your full plan set — floor plans, elevations, sections, site plans. ClearBlock's vision models parse every sheet, extracting dimensions, annotations, room layouts, and spatial relationships.

  • PDF, DWG, DXF, and high-res scans
  • Automatic sheet classification (A-series, S-series, MEP)
  • Full plan set processing in under 5 minutes

Drop your plan set here

PDF, DWG, DXF up to 500MB

floor_plan_v3.pdf elevations.pdf site_plan.dwg
Zoning — Lot Coverage PASS
Setbacks — Front/Side/Rear PASS
Height Limit — 35ft max PASS
Bedroom Egress — Window Area FAIL
Bedroom 2 window: 5.0 sf actual vs 5.7 sf required per IRC R310.2.1
→ Increase to 24"×34" minimum clear opening
Stair Geometry — Rise/Run PASS
Energy Code — Title 24 PASS
Smoke Detector Spacing WARN
ADA — Accessible Route PASS
2 Automated Compliance Review

Every code. Every check. Every citation.

ClearBlock cross-references your plans against IRC, IBC, local amendments, zoning overlays, energy codes, and accessibility standards. Violations come with exact code citations and fix recommendations.

  • 100+ checks per plan set
  • Violations flagged with code section references
  • Actionable fix recommendations for every issue
  • Trained on thousands of real correction letters
3 File & Track

One click to submit. Real-time tracking.

Once your plans pass review, ClearBlock assembles the complete application — jurisdiction-specific forms, fee calculations, supplemental documents — and submits directly. Track status in real time.

  • Auto-filled jurisdiction forms
  • Fee calculation and payment coordination
  • Status notifications — know the moment you're approved
Application assembled
12 documents, 3 forms auto-completed
2m ago
Fees calculated
Plan check: $1,240 · Permit: $3,680
1m ago
Submitted to City of Palo Alto
Reference: PA-2026-0847
Just now
Under review
Estimated approval: 5–7 business days
Tracking

See it in action.

Watch ClearBlock analyze a real residential plan set in real time.

Sheet Detection
A1.0 — Floor Plan, Level 1 Parsed
A1.1 — Floor Plan, Level 2 Parsed
A2.0 — Elevations (N/S) Parsed
A3.0 — Building Sections Processing…
C1.0 — Site Plan Queued
Extracted Data
Building TypeSingle Family Residential
Stories2
Gross Area2,847 sf
Lot Size8,200 sf
Bedrooms4
Bathrooms3
Garage2-car attached
JurisdictionCity of Palo Alto, CA

Fits into your workflow.

ClearBlock integrates with the tools your team already uses — from project management to plan storage.

📁

Plan Storage

Procore, PlanGrid, Bluebeam, Box, Google Drive — pull plans directly from where your team stores them.

🏗️

Project Management

Sync permit status back to Procore, Buildertrend, or CoConstruct. No more manual updates.

🔌

API Access

Full REST API for enterprise builders who want to embed ClearBlock into their own systems and workflows.

Calculate your savings.

Adjust the sliders to match your operation. See exactly what ClearBlock saves you annually.

20
20
$60
1.5
$5,000
Current Annual Cost
Staff time$24,000
Architect revisions$75,000
Delay costs$150,000
Total$249,000
With ClearBlock
Staff time (−80%)$4,800
Revisions (−70%)$22,500
Delay costs (−70%)$45,000
Total$72,300
Estimated annual savings
$176,700
Return on ClearBlock investment: 5.9x

Built for builders.

Whether you pull 10 permits a year or 200, ClearBlock scales with your operation.

🏘️

Production Builders

High-volume permitting across multiple jurisdictions and plan types. Consistent, fast, repeatable.

🏡

Custom Builders

Every project is unique. ClearBlock adapts to each design and jurisdiction's specific requirements.

📐

Architecture Firms

Catch code issues before they become correction letters. Fewer revision cycles, happier clients.

🏢

Developers

Multi-project portfolios with tight timelines. Parallelize permitting and reduce holding costs.

Why ClearBlock wins.

DIY / In-House
Permit Consultant
ClearBlock
Code research
Manual
Manual
Automated
Compliance checks
Ad hoc
Experience-based
100+ systematic
Fix recommendations
Sometimes
Every violation
Time to review
15–25 hours
3–5 days
Minutes
Permit filing
Manual
✓ Automated
Status tracking
Phone calls
Email updates
Real-time
Scales with volume
✓ Any volume
Knowledge retention
Turnover risk
Turnover risk
Institutional

Purpose-built AI. Not a wrapper.

Our models are trained specifically for construction documents — not adapted from generic AI.

Plan Intelligence

Understands rooms, walls, dimensions, annotations, symbols, and spatial relationships. Not just OCR.

Code Knowledge

IRC, IBC, local amendments, zoning overlays, energy codes — structured and queryable. Always current.

Pattern Recognition

Trained on thousands of real correction letters. Knows what plan checkers actually flag — not just what the code says.

Human-in-the-Loop

AI handles the heavy lifting. Licensed professionals review edge cases. Confidence and speed without sacrificing accuracy.

Built at Stanford.

Founded by researchers combining AI, computer vision, and deep construction expertise.

🎓

Stanford Research

AI + computer vision + construction tech

🏗️

Deep Code Expertise

Former plan reviewers & licensed architects

⚙️

Production-Grade AI

Purpose-built models, not generic wrappers

Frequently asked questions.

Stop guessing.
Start building.

See how ClearBlock can cut your permitting costs, eliminate correction cycles, and get your projects started faster.

No commitment required. We'll reach out within 24 hours.