First Street

freemium; consumer reports and subscription plus enterprise quote Win & Set Up the Work

Peer-reviewed property-level climate-risk provider (formerly First Street Foundation) scoring flood, fire, wind, heat, and air risk. Delivered as consumer-facing Risk Factor reports (riskfactor.com) and via three documented APIs -- Climate Risk API (point-level physical risk), Enterprise API (portfolio aggregation), and Raster Map API (peril raster layers). Free non-commercial lookups plus paid consumer subscriptions and enterprise quotes.

3.2 /5 composite score
Address-to-climate-risk layer -- three documented REST APIs (Climate Risk, Enterprise, Raster Map) return point-level flood/fire/wind/heat/air risk as JSON plus PDF reports and raster tiles; a public pricing page and free non-commercial Risk Factor lookups aid evaluation, with enterprise access quote-based.
Solid

Rubric Scorecard

How we grade →

Criterion Score Evidence
Value for the price 3/5 freemium; consumer reports and subscription plus enterprise quote, free tier Source →
Agent Friendliness 4/5 API: Climate Risk API, Enterprise API, and Raster Map API documented at docs.firststreet.org/api Source →
Ease of adoption 3/5 --
Portability & lock-in 3/5 2 file formats
Interoperability 3/5 --

Pricing

Modelfreemium; consumer reports and subscription plus enterprise quote
Free tieryes
Free viewerno
Visit First Street →

How we verified this: we checked First Street against its live site and an independent source — urbanland.uli.org. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-19.

Evidence

File formats

FormatDirectionSupport
JSON export full -- Climate Risk API.
PDF export full -- Risk reports.

Sources

Alternatives in Site Intelligence & Geospatial Data

NSF-funded nonprofit portal and REST API for accessing global DEMs (Copernicus, SRTM) and US LiDAR/3DEP topography. Provides RESTful web services (global DEM API + USGS 3DEP raster API) with rate-limited free API keys (200 calls/24h academic, 50/24h non-academic). US 3DEP 1m DEM access is restricted to academic users; commercial or intensive use requires a paid Enterprise API key.
4.0/5
US property data warehouse spanning 160M+ properties (~20TB) with ownership, tax, deed, mortgage, foreclosure, AVM, hazard, and boundary attributes. Delivered via a REST Property Data API (developer portal), bulk file licensing, cloud data shares (Snowflake/Databricks), and an AI-native MCP server. A self-serve free-trial API key with Postman collections eases developer onboarding; full licensing is quote-based.
3.8/5
Large-scale aerial imagery program (UltraCam) offering orthomosaic and oblique imagery, DSM/DTM elevation (Elevate product line), 3D mesh/point cloud, and property/structure metadata. Delivered via Vexcel APIs, Image Services for ArcGIS, WMTS, a MapControl SDK, and a first-party MCP server (launched July 2026) with find_imagery, get_3d_model, change_detection, and attribute_query tools. Quote/subscription; the MCP connector starts around $2,500 per ten-power-user seat per year.
3.6/5
Commercial real estate intelligence platform (an Altus Group business) aggregating 53M+ CRE properties, 68M+ transactions, ownership, debt, and contact data, and unmasking LLC/holding-company ownership. Delivered via a web app and a public REST API (api.reonomy.com). Self-serve subscription starts around $400/month on an annual plan; bulk feeds and API access are quote-based.
3.4/5

See all First Street alternatives → ยท Compare all Site Intelligence & Geospatial Data tools →

Subscribe to Building Probable

Independent AEC + AI reviews & research, including Site Intelligence & Geospatial Data coverage -- the companion newsletter to buildingtech.pro.

Subscribe to Building Probable →