Prototype · State Historic Online Preservation Portal
Your 800,000-property inventory, seven programs, and a 30-day clock — on one map.
A unified GIS-based historic property and workflow system for the Arizona State Historic Preservation Office. Replaces FileMaker Pro, legacy Oracle, and the Google Sheets reminder tables with a single modern application.
Real data· NPS NRHP feature serviceSynthetic· workflow & project recordsPlaceholder· AZSITE integration
Division-wide snapshot (live demo)
123
NRHP properties mapped
real · from NPS
300
Active R&C projects
synthetic
208
On the 30-day clock
46 red · 92 overdue
8,000
SPT enrollments
synthetic
22
Certified Local Govts
real cities
20
HTC projects
synthetic
15
NRHP noms in pipeline
synthetic
30 days
Annual review statute
ARS 41-861 · statutory
One system, every program.
Core workflow
Review & Compliance
60% of SHPO workload. 1,428 undertakings in 2022. Section 106 / ARS 41-861 with a visible 30-day clock on every row.
Tax programs
State Property Tax Reclassification
8,000+ enrolled properties. Automates the Assessor correspondence loop the RFI called out.
Tax programs
Federal Historic Tax Credit
3-part NPS certification workflow. Tracks qualified rehabilitation expenditures for economic-impact reporting.
Designation
National & State Registers
Nominations pipeline, HSRC agenda builder, draft-to-Keeper-of-the-Register workflow.
Backbone
Survey & Inventory
800K-record property inventory. Unified profile page showing every program touchpoint.
Partners
Certified Local Government
22 active CLGs. Commission membership, annual reports, HPF grant tracking.
Grants
Heritage Fund Grants
ARS 41-503. Award cycle, reporting, integration with existing grant tracking software.
Mini-programs
Historic Cemeteries (IAHC)
726 cemeteries per ARS 41-511.04. Inventory form digitization and public view.
Mini-programs
Dude Ranch Heritage Trail
ARS 41-867. Public-facing application form + Board review scheduling.
Phase 4 — open data enrichment (16 federal/state datasets joined)
Public & consultant tools.
Locate an address
Geocode any AZ address (U.S. Census), instantly get jurisdiction, tribal/NPS overlap, FEMA flood zone, and NRHP properties within 1 km.
Polygon Section 106 screening
Click the map, drop a buffer, get all 11 federal/state datasets intersected and consultation triggers identified — what reviewers do today across 8 GIS tabs.
Walking tour mode
Phone-friendly. 'Use my location' returns the closest historic properties with photos, year built, and architect — for tourists, school groups, and field staff.
HTC calculator
20% federal Historic Tax Credit estimator with TCJA-correct 5-year ratable schedule and recapture warnings.
Historic & scenic routes
Every ADOT historic / scenic route segment with NRHP-listed properties along it for 4(f) eligibility checks.
Jurisdiction lookup
Click the map to query land ownership across 18,025 BLM SMA polygons, 22 tribal nations, 22 NPS units, and 42,724 FEMA polygons.
Photo archive
653 HABS/HAER/HALS items + 1,485 NRIS submission photos pulled from NPGallery, fuzzy-matched to property records.
Notifications & digests
Subscribe to new listings, Section 106 snapshots, HTC approvals, THPO consultations, county watchlists.
Open GIS export
GeoJSON / KML / CSV exports of the full enriched catalog. No API key, no rate limit.
What's new in 2026.
AI reviewer copilot
Paste a Section 106 report. Get a structured summary, a list of potentially affected properties auto-matched from inventory, and a draft eligibility determination in NRHP Criteria A–D language.
30-day clock everywhere
Color-coded on every queue row and project header. Green > 14d, amber 7–14d, red < 7d, black overdue. Statute is the product.
Spatial auto-triage
When a consultant draws a polygon, the system instantly identifies overlapping NRHP and inventoried properties with prior review history.
Unified property profile
One page per historic property showing every program touchpoint — survey, nomination, tax status, grants, compliance reviews.
Workload heatmap
AZ map shaded by active review density. Forecast staffing for the IIJA / ARPA / wildfire-fuels surge.
Open-source stack, no lock-in
PostGIS + MapLibre + Next.js on Vercel, portable to AWS GovCloud for AZ-RAMP. No perpetual ArcGIS / FileMaker license tax.
Data transparency
This demo pulls some real data, but needs full data integration before go-live
Real data
NRHP points from NPS. District polygons from NPS. AZGeo reference layers. Arizona cemeteries from Arizona Memory Project. CLG city names from SHPO roster. NRHP Criteria A–D language. Statute citations.
Synthetic
Active R&C projects, correspondence, staff roster, SPT enrollees, HTC projects, CLG coordinator contact names, NRHP nominations pipeline — all deterministically generated at volumes that match the 2023 RFI numbers.
Placeholder
AZSITE integration (confidential data not shown), e-signature (flow visible, not wired), AZ-RAMP / FedRAMP posture (documented path, not implemented in prototype).