How It Works
From address to defensible report in under 8 minutes
Plotgleam runs four sequential analysis stages on every submission. Each stage is logged, auditable, and built around the same reasoning a senior appraiser applies manually.
The Process
Four stages. One defensible number.
Every Plotgleam report follows the same structured pipeline - from data assembly to confidence scoring. No black boxes, no opaque averages.
Property data assembly
Plotgleam pulls assessor records, permit history, MLS data, and aerial imagery for the subject property. Missing or conflicting records are flagged for review rather than silently filled.
Block-level comp selection
Rather than pulling the nearest N sales by radius, Plotgleam scores each candidate comp by street type, block-face, lot orientation, school zone, and micro-market boundaries. Only comps that genuinely price the same location context are selected.
Condition-adjusted pricing
Each selected comp receives a condition adjustment based on permit history, MLS listing notes, days-on-market pattern, and photo scoring. The adjusted comp prices feed the subject property valuation model.
Confidence scoring and report generation
The final confidence score reflects comp availability, condition data quality, and market stability in the subject's micro-market. Reports below 80% confidence are automatically flagged for human review escalation.
Submission Methods
Submit one property or ten thousand
Plotgleam works at any volume - from a single address lookup to a full pipeline batch run overnight.
Web portal
Paste or type an address and receive a full report in under 8 minutes. Ideal for individual loan reviews and ad-hoc underwriting questions.
CSV upload
Upload a spreadsheet with up to 500 addresses per batch. Results download as a CSV with all valuation, confidence, and comp data included.
REST API
Full JSON API for LOS integrations, automated pipeline triggers, and real-time valuation at loan application. Rate limits scale with your plan tier.
Report Preview
What a Plotgleam report looks like
Every report includes the full comp table, condition notes for each comparable, and the confidence breakdown. Your underwriter sees exactly why the number is what it is.
- Subject property summary with assessor and permit data
- 3-5 selected comps with condition adjustments shown
- Valuation estimate with confidence score and range
- Flag list: data gaps, market volatility, escalation triggers
Comp Analysis
How Plotgleam reads comps differently
Traditional radius-based AVM comp selection treats every sale within 0.5 miles as equally relevant. Plotgleam scores each potential comp across six location quality dimensions before it enters the model.
Block face, street classification, school zone overlap, micro-market boundary, lot orientation, and zoning alignment. Each comp gets a 0-100 score. Only comps above threshold are used.
This approach eliminates the common AVM failure mode where a sale across a major arterial road - priced 12% lower due to traffic exposure - pulls the subject property's estimate down artificially.
See it run on a real property
Request a demo and we will walk through a live Plotgleam report on a property from your market.