Mass Appraisal &
Property Services
Run IAAO-compliant mass appraisals with automated COD, PRD, and median ratio statistics. Our ML-powered K-Means clustering identifies property segments so your valuations are accurate, defensible, and transparent.
< 2 min
Average pipeline run time
IAAO
Compliant statistics
100%
Browser-based, no install
256-bit
Encrypted at rest & in transit
Platform Capabilities
From Raw Data to Certified Values
A complete pipeline designed for the unique requirements of government mass appraisal — from CSV ingestion to IAAO-compliant reporting.
Automated Data Ingestion
Upload Parcel, Land, Improvements, and Sales CSVs and let MAPS automatically detect your CAMA system schema. Intelligent column mapping supports Tyler iasWorld, ARC, and custom formats — no manual data wrangling required.
- Drag-and-drop CSV upload
- Auto-detect CAMA system columns
- Built-in data validation
Interactive What-If Simulations
Select any subset of parcels in the Data Explorer and adjust land and improvement factors in real time. See how changes to your valuation model affect COD, PRD, and median ratios before you commit.
- Real-time factor adjustments
- Instant statistical feedback
- Compare before & after
AI-Powered Comparables
Enter any parcel number and our similarity engine finds the most relevant comparable sales using ML-derived feature vectors. Results include all property characteristics for transparent, defensible valuations.
- ML similarity matching
- Configurable result count
- Side-by-side comparison view
Automated IAAO Statistics
COD, PRD, and median ratio calculations at district and neighborhood levels.
ML-Powered Clustering
K-Means clustering automatically identifies property segments and market groupings.
Multi-Tenant Security
County-level data isolation with role-based workspace access controls.
Ready to Modernize Your Appraisal Process?
Join county assessor offices who trust M.A.P.S. for accurate, transparent, and defensible mass appraisals.
Get In Touch
Contact Us
Have questions about M.A.P.S. or want to schedule a demo? Send us a message and our team will get back to you promptly.