Access public data on transportation, housing, and planning from city, county, regional, and state sources. These dashboards help urbanists track progress, identify trends, and make evidence-based arguments.
SDOT’s Public Records Dashboard provides crash analysis, road segment counts, and intersection data. Use it to understand collision patterns, traffic volumes, and safety trends across the city.
Access: SDOT Traffic Dashboard
Seattle’s Vision Zero program tracks progress toward eliminating traffic deaths and serious injuries by 2030. Action plans and annual reports detail safety projects, high-injury corridors, and outcomes.
Access: Vision Zero Resources
Real-time and historical counts from permanent bike/ped counters across Seattle, including the Fremont Bridge, Burke-Gilman Trail, and I-90 Trail. Data updated monthly to the open data portal.
Access: SDOT Bike Counters
Trip counts, fleet sizes, registered users, and other metrics for Seattle’s shared micro mobility program (Lime, Bird). Includes permit compliance data and real-time GBFS API feeds.
Access: Scooter and Bike Share Data
Monthly summaries of issued building permits from SDCI. Track new construction, ADUs, and development trends by neighborhood and building type.
Access: SDCI Permit Stats
Annual reports on affordable housing investments, MHA contributions, MFTE participation, and housing levy outcomes. Essential for tracking Seattle’s housing production.
Access: Housing Data & Reports
Annual year-in-review reports, program data, and policy updates from Seattle’s Office of Economic Development covering small business grants, commercial affordability programs, Business Community Ownership Fund progress, and Business Improvement Area activity.
Access: OED Bottom Line Blog | Seattle OED
Over 500 datasets across all city departments including transportation, permits, utilities, and demographics. Download raw data for your own analysis.
Access: data.seattle.gov
Central resource for tenant rights, landlord obligations, and rental regulations in Seattle. Available in 13 languages. Covers just cause eviction, rent increase rules, relocation assistance, and fair housing protections.
Access: seattle.gov/rentinginseattle
Interactive map and dataset of all identified unreinforced masonry buildings in Seattle, including retrofit status. Use it to identify URM buildings in specific neighborhoods and track the city’s progress toward seismic safety.
Access: SDCI URM Program | URM Map (ArcGIS)
Seattle’s hazard identification and vulnerability analysis for earthquakes. Covers fault sources, liquefaction zones, expected damage scenarios, and secondary hazards like landslides and tsunamis.
Access: SHIVA Earthquake Assessment (PDF)
Searchable database of designated city landmarks and surveyed historic properties maintained by the Department of Neighborhoods. Look up individual landmarks, contributing buildings in historic districts, and properties documented through historic resources surveys.
Access: Seattle Historical Sites Search
Interactive map showing proposed and adopted zoning changes under the One Seattle Comprehensive Plan, including new Neighborhood Centers, expanded Urban Centers, and corridor rezones. Compare current zoning to proposed changes.
Access: One Seattle Plan Zoning Map
Seattle tracks greenhouse gas emissions across transportation, buildings, and waste sectors every two years. The Climate Portal provides map-based emissions data, and the 2013 Climate Action Plan Progress Report provides sector-by-sector analysis of reduction progress.
Access: Climate Data & Planning | 2013 CAP Progress Report
Published building-level energy performance data for Seattle’s 3,700+ largest nonresidential and multifamily buildings. Searchable by address and published publicly to increase market transparency.
Access: Energy Benchmarking
Air temperature data from the 2020 Seattle/King County heat mapping campaign, showing neighborhood-level heat variations during extreme heat events. Used to prioritize tree planting and cooling infrastructure.
Access: Urban Heat and Trees
On-street paid parking occupancy data, rate maps, off-street parking studies for downtown, and neighborhood business district parking surveys. Use it to understand parking utilization patterns and evaluate whether parking supply matches demand.
Access: SDOT Parking Maps and Data
Biennial survey of over 75,000 Seattle workers and students capturing commute mode share, satisfaction, and travel behavior by neighborhood. Conducted in partnership with SDOT and the UW Mobility Innovation Center.
Access: Commute Seattle: 2024 Survey
Spatial data layers, interactive maps, and GIS downloads. Includes zoning, land use, parcels, bike facilities, transit routes, and more.
Access: Seattle GeoData
Displacement risk analysis by neighborhood, combining socio-demographics, housing market pressures, and access to opportunity. Used to shape the One Seattle Comprehensive Plan and anti-displacement investments.
Access: Growth and Equity Analysis (PDF)
Demographic data, equity indicators, and population trends mapped at the census-tract level. Includes displacement risk indicators and community health metrics used by the Race and Social Justice Initiative.
Access: Population & Demographics
Ridership trends, on-time performance, and system reliability data for King County Metro buses and water taxis. Track how service changes affect ridership.
Access: Metro Performance Reports
Countywide tracking of affordable housing production, preservation, and affordability gaps. Developed by the Regional Affordable Housing Committee.
Access: Affordable Housing Dashboard
County datasets including Metro ridership, assessor data, elections, and public health. Complements Seattle’s open data portal.
Access: data.kingcounty.gov
Quarterly reports from commercial brokerage firms tracking office vacancy rates, retail vacancy, net absorption, rental trends, and leasing activity across the Seattle-Bellevue market. Essential for understanding the post-pandemic office vacancy crisis and its effects on commercial districts.
Access: Kidder Mathews: Seattle Office Report | Kidder Mathews: Seattle Retail Report | Cushman & Wakefield: Seattle-Bellevue MarketBeats
System-wide ridership and reliability data for Link light rail, Sounder commuter rail, and ST Express buses. Track trends as new extensions open.
Access: Sound Transit Performance Tracker
Interactive charts and a Ridership Patterns Index for exploring ridership trends by route and agency across Seattle-area transit. Filter by route, agency, and service change period to visualize how ridership has shifted over time.
Access: seattletransitridership.com
Real-time seismograms, earthquake catalogs, hazard maps, and notable earthquake information from a network of approximately 400 seismometers across Washington and Oregon. Operated by the University of Washington and University of Oregon.
Access: PNSN
Demographic, housing, employment, and transportation data for every city and county in the four-county region. Compare jurisdictions and track changes over time.
Access: PSRC Community Profiles
Regional planning data including employment forecasts, household projections, land use, and transportation modeling. The authoritative source for regional planning numbers.
Access: PSRC Data
Statewide traffic counts, volumes, and speed data for state routes. Includes the Travel Volume and Speed Trends Dashboard for analyzing transportation patterns.
Access: WSDOT Transportation Data
Statewide bicycle and pedestrian count data from jurisdictions across Washington. Compare active transportation trends across communities.
Access: WSDOT: Bicyclist and Pedestrian Count Programs
Liquefaction susceptibility maps, seismic site class maps, seismic design category maps, and active fault maps for all Washington counties. The Seismic Scenario Catalog provides loss estimates for 20 earthquake scenarios statewide.
Access: Geologic Hazard Maps | Seismic Scenarios
Statewide inventory of known or suspected unreinforced masonry buildings, compiled from DAHP’s WISAARD database, Seattle’s inventory, and county assessor data.
Access: WA URM Dashboard
The Washington Information System for Architectural and Archaeological Records Data is DAHP’s statewide database of historic properties, including those on the National Register of Historic Places, Washington Heritage Register, and Heritage Barn Register. Search by address, property name, or map location without creating an account.
Access: WISAARD | DAHP: Find a Historic Place
Statewide comparison tool showing how different cities zone for housing. See which cities allow duplexes, ADUs, and multifamily housing and where.
Access: WA Zoning Atlas (Commerce)
Department of Commerce resource center for Washington’s rent stabilization law. Includes annual rent cap calculations, compliance guidance, and tools for landlords and tenants.
Access: HB 1217 Landlord Resource Center
Housing needs projections, GMA compliance data, and planning resources from the Department of Commerce. Includes countywide housing targets and methodology.
Access: Commerce Housing Planning
Census-tract-level rankings of environmental and health disparities statewide. Combines environmental exposures, socioeconomic factors, and health outcomes on a 1–10 scale. Required under the HEAL Act to identify overburdened communities for state agency decision-making.
Access: WA DOH Environmental Health Disparities Map
Cleanup status, contaminant data, responsible party information, and site documents for Seattle’s Duwamish River Superfund site. Track the progress of the multi-decade, $668 million cleanup.
Access: EPA Superfund Site Profile
Digitized 1930s HOLC redlining maps and area descriptions for Seattle and 238 other U.S. cities. Essential for understanding the historical roots of segregation and environmental disparities.
Access: Mapping Inequality
Searchable database of more than 50,000 racially restrictive property covenants documented across western Washington. Maps covenant locations and links to original deed records.