← Back to portfolio Case Study · David Silverlight
◆ Silverlight 5 · Enterprise LOB

Property Tax System

A commercial property-tax assessment & appeal platform that takes real-estate portfolios from raw assessments all the way to filed petitions — tracking every parcel, deadline and dollar of tax savings along the way.

Tax AssessmentPetition / Appeal WorkflowMulti-StateRIA Services + MVVM
Property value tracked per client
$2.9M
Appeal savings surfaced in one view
Years of tax history (2009–2015)
Levels in the data model
From assessment to appeal
🏢
Company
👤
Client
🏬
Property
🧾
Parcel
📊
Assessment
⚖️
Petition / Appeal
The application

A dense, professional workspace for tax pros

Everything a property-tax consultant needs on one canvas — clients, contacts, properties, multi-year tax summaries, parcels and assessments — plus a scheduler for evidence/hearing deadlines and reporting that turns appeals into client-ready savings. Click any screen to enlarge.

Client & Property Hub
Clients · Properties · Tax Summary · Parcel · AssessmentClient and property hub — clients, properties, tax summary, parcel and assessment grids
The command center. Drill from company → client → property, and review tax summary, parcel detail and year-by-year assessments in one collapsible-panel workspace.
Events · Calendar
Manage Events · MonthManage Events — calendar month view of petition deadlines
Deadline calendar. Petition evidence and hearing dates laid out in day / week / month / timeline views — never miss a filing window.
Appointment
Event DetailAppointment dialog — petition evidence date detail
Event detail. Rich appointments with recurrence, categories and reminders — auto-generated from petition milestones.
Event Viewer
Standard Event ViewerStandard Event Viewer — list of petition events by state and county
Event roster. Every petition event by state, county and year in a sortable grid — the operational backbone behind the calendar.
Assessment Reporting
Assessment Reporting & AppealsAssessment Reporting — select appeals and generate client report
Appeals & reporting. Filter by state, county, client and year; flag assessments for appeal; then generate a polished client report in a click.
Capabilities

Built for the full appeal lifecycle

A genuine line-of-business application — deep data model, workflow and reporting, all in Silverlight.

🏢

Portfolio management

Companies, clients, contacts and properties in a clean hierarchy, with fast search and hide-inactive filtering.

🧾

Parcels & assessments

Track parcels and multi-year assessments — initial vs. final market & assessed values, taxes and appeal status.

⚖️

Petition workflow

Assessment processing, appeal selection, print petitions and client reports — the heart of the platform.

📅

Deadline scheduler

A full calendar of evidence and hearing dates with day/week/month/timeline views and rich appointments.

💰

Savings & reporting

Surface appeal savings down to the dollar and generate client-ready assessment reports on demand.

🗺️

Multi-state ready

State- and county-aware throughout, so a single platform serves portfolios across jurisdictions.

Architecture & role

Engineered on the Silverlight LOB stack

I owned the architecture, engineering and UI/UX — building a responsive, data-dense experience on the technologies best suited to enterprise line-of-business work.

Silverlight 5WCF RIA ServicesMVVMTelerik RadControls SQL ServerADO.NET Entity FrameworkLINQ.NET
×enlarged screenshot