Walk Score
Walk Score is a Seattle-based data company that quantifies walkability, transit access, and bikeability on a 0–100 scale for any US or Canadian address, distributing these scores via APIs and widgets to 30,000+ real estate websites including Zillow, Redfin, and Apartments.com.
- Company typePrivate
- Founded2007
- HeadquartersSeattle, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Walk Score does
Walk Score is a Seattle-based private company founded in 2007 that quantifies neighborhood walkability, transit accessibility, and bikeability for any address in the US and Canada. Its core products are three standardized 0–100 scores — Walk Score, Transit Score, and Bike Score — computed using walking-route distances to nearby amenities, population and intersection density, transit route frequency, and bike infrastructure. The company operates an API-first B2B platform, distributing these scores through developer APIs, embeddable widgets and badges, and direct consumer access via walkscore.com, with claimed reach across 30,000+ websites and 20 million+ scores served daily.
The business model is built on tiered API subscriptions: a Free tier with 5,000 calls/day, a Premium tier starting at $115/month with full API access and caching, and custom Enterprise contracts for high-volume or offline use. The primary customer segment is the real estate industry — residential and commercial listing platforms, MLS providers, property management firms, and broker websites — with named enterprise relationships including Zillow, Redfin, Apartments.com, Equity Residential, Yardi, RE/MAX Canada, and Royal LePage. Adjacent segments include software developers integrating location APIs and consumers using the website directly to research neighborhoods and commutes.
The technology stack comprises four APIs (Walk Score API, Public Transit API covering 350+ transit agencies, Travel Time API integrated with Google Maps, and Travel Time Polygon API for commute-shed polygons), delivered via JSON/XML and a JavaScript SDK. Distribution extends beyond the US and Canada into Australia, and the company maintains a "Data and Research" offering targeting public health, finance, and urban planning use cases. With only 1–10 employees and one disclosed funding round ($2M from Voyager Capital in 2012), Walk Score runs as a lean operation whose value proposition rests on data coverage, brand recognition, and deep integration into the real estate ecosystem.
Walk Score firmographics
Firmographics- Name
- Walk Score
- Legal name
- Walk Score
- Website
- https://walkscore.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Walk Score is a Seattle-based data company that quantifies walkability, transit access, and bikeability on a 0–100 scale for any US or Canadian address, distributing these scores via APIs and widgets to 30,000+ real estate websites including Zillow, Redfin, and Apartments.com.
- Ownership category
- akta.pro rank
Walk Score industry classification
Industry- Product category
- Real Estate Data and Analytics
- NAICS
- All Other Transit and Ground Passenger Transportation (485999)
- SIC
- Transportation Services (4700)
- akta.pro primary industry
- Location, Footfall & Mobility Intelligence (Origin-Destination, visitation) (THALAIAJ)
- akta.pro secondary industries
- Consumer Navigation & Turn-by-Turn Apps (BPAMANAA), Traveler Tracking & Location Intelligence (THACANAB)
Keywords
Where Walk Score is headquartered
LocationHeadquarters
- HQ city
- Seattle
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Walk Score business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Operations, Marketing or Sales
Revenue model
- API Subscription Tiers: Walk Score generates revenue through tiered API subscription plans. The Free tier offers 5,000 calls/day with basic score data. Premium tier starts at $115/month and includes additional features like public transit data, Travel Time API, and Score Details API. Enterprise pricing is custom and supports high-volume sites, subscription-based services, and offline use.
- Widget and Badge Embedding: Walk Score widgets and badges can be embedded on real estate websites. The widgets display Walk Score, Transit Score, and Bike Score for properties.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Free tier with basic score access |
| Subscription | Monthly | Premium tier with full API access |
| Subscription | Multi-year contract | Enterprise tier for high-volume commercial use |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels4 records
Walk Score product offering
Product offeringCore offering
Walk Score calculates standardized 0-100 walkability, transit, and bike scores for any address by analyzing walking routes to nearby amenities, population density, and intersection density. The company delivers these scores through a suite of developer APIs (Walk Score API, Public Transit API, Travel Time API), embeddable widgets for real estate websites, HTML badges, and bulk data services. Coverage spans the United States and Canada, drawing on data from 350+ public transit agencies.
Product overview
Walk Score is a walkability measurement and neighborhood data platform that offers a suite of scoring products and developer APIs. The core products are Walk Score, Transit Score, and Bike Score, which measure the walkability, transit access, and bikeability of any address on a 0-100 scale. These scores are delivered through the Walk Score Widget (for real estate websites), Walk Score Badges (HTML badges for embedding scores), and the Walk Score APIs suite (for programmatic access). The APIs include the Walk Score API, Public Transit API (with data from 350+ transit agencies), and Travel Time API (calculating travel times by car, transit, bike, and foot). Pricing tiers range from Free (5,000 calls/day) to Premium ($115+/month with full API access) to Enterprise (for high-volume and offline use).
Differentiator
Problem solved
Functional benefit
Brands
- Transit Score: Public transit scoring service measuring proximity to public transit routes and stops
- Bike Score
- Walk Score API
- Travel Time API
Products and services
- Walk Score APIs
Quantifiable outcome
- Each point of Walk Score is worth up to $3,000 in a typical metro area
- +4 more outcomes
Companies that use Walk Score
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles3 records
Walk Score technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature6 records
Walk Score partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and major.
- RedfincoreWalk Score partners with Redfin to display apartment listings and homes for sale. Links from Walk Score's apartment and real estate search pages direct users to Redfin's property listings. The partnership provides Walk Score users with access to actual rental and purchase listings while driving traffic to Redfin.
- ZillowcoreZillow uses Walk Score APIs to display Walk Score and Transit Score on millions of property listings daily. Zillow is one of the largest real estate platforms in the US and a key distribution channel for Walk Score data.
- ZipRealtymajorZipRealty uses Walk Score Neighborhood Maps on over one million property listings to show nearby grocery stores, restaurants and public transportation. ZipRealty CEO has publicly endorsed Walk Score.
- Real Estate DigitalmajorReal Estate Digital uses Walk Score API and Neighborhood Map across their extensive network of agent and broker websites, serving the real estate industry's MLS and agent website needs.
- SandicormajorSandicor uses Walk Score API to add walkability scores to their Multiple Listing Service (MLS) tools for real estate agents in the San Diego region. Walk Score is described as the cornerstone of their 'Green Initiative.'
- Google MapscoreWalk Score's Travel Time API integrates with Google Maps to display travel time visualizations. The API works with Google Maps objects and can display driving, walking, biking, and transit times on map interfaces.
Scale indicators7 records
Recent moves6 records
Expansion highlights5 records
Walk Score competitors and assessment
Company assessmentDirect peers
- Mapbox: Mapbox provides location and mapping APIs (including routing, tiles, and mobility data) that compete with Walk Score's Travel Time and Public Transit APIs. Both serve developers building location-aware real estate, travel, and mobility applications.
- Placer.ai: Placer.ai provides foot-traffic and location-intelligence analytics to retail, real estate, and commercial property customers. Its competitive set overlaps directly with Walk Score's value proposition of quantifying how accessible and active a location is.
- SafeGraph: SafeGraph supplies points-of-interest and foot-traffic data used for site selection, real estate analytics, and urban planning — adjacent to Walk Score's amenity-based walkability methodology and serving similar enterprise buyer profiles.
Broad incumbents
- Google Maps Platform: Google Maps Platform offers travel-time, transit, and places APIs that overlap directly with Walk Score's Travel Time API and underlie much of its product. As a broad incumbent, Google has the data and scale to embed walkability scoring natively.
- HERE Technologies: HERE provides location services including routing, transit, and pedestrian network data used in real estate, logistics, and mobility applications. Its transit and walk routing capabilities directly overlap with Walk Score's Public Transit and Travel Time APIs.
- Foursquare: Foursquare provides places, footfall, and location-intelligence APIs used by real estate, retail, and mobility customers. Its venue and visit data underpins walkability-adjacent products comparable to Walk Score's Neighborhood Map and amenity-based scoring.
- TomTom: TomTom provides maps, traffic, and routing APIs (including pedestrian and transit modes) that overlap with Walk Score's Travel Time API. As an established location-technology incumbent, it serves many of the same enterprise and developer buyers.
- Esri (ArcGIS): Esri's ArcGIS platform provides geospatial analytics including walkability, accessibility, and urban-planning layers used by municipal and enterprise customers. It represents a broader-incumbent alternative for organizations needing walkability-style analysis.
Emerging players
- Citymapper: Citymapper offers multi-modal urban mobility routing and transit data, partially overlapping with Walk Score's Transit Score and Travel Time API. It focuses on consumer-facing urban navigation but competes for the same underlying transit and walkability data.
- Transit App: Transit App aggregates real-time public transit data and multi-modal routing across cities, intersecting with Walk Score's Public Transit API and Transit Score. Both surface transit accessibility as a core feature.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Walk Score social profiles
Digital presenceWalk Score financial estimates
Financial estimateRevenue estimate
Valuation estimate
Walk Score leadership team
Management profileNumber of profiles
Walk Score funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Walk Score M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Walk Score
What does Walk Score do?
Walk Score calculates standardized 0-100 walkability, transit, and bike scores for any address by analyzing walking routes to nearby amenities, population density, and intersection density. The company delivers these scores through a suite of developer APIs (Walk Score API, Public Transit API, Travel Time API), embeddable widgets for real estate websites, HTML badges, and bulk data services. Coverage spans the United States and Canada, drawing on data from 350+ public transit agencies.
Is Walk Score a public or private company?
Walk Score is a private company. It is classified as venture growth investor backed and is currently operating.
When was Walk Score founded?
Walk Score was founded in 2007. It employs 1 to 10 people.
Where is Walk Score based?
Walk Score is headquartered in Seattle, United States, in the North America region.
How does Walk Score make money?
Two revenue lines are on record. API Subscription Tiers are the primary driver. The others are widget and Badge Embedding.
Who are Walk Score's main competitors?
Direct peers on record are Mapbox, Placer.ai and SafeGraph. Broad incumbents are Google Maps Platform, HERE Technologies, Foursquare, TomTom and Esri (ArcGIS). Emerging players are Citymapper and Transit App.
Does Walk Score have an API?
Yes. Walk Score offers multiple APIs for developers: (1) Walk Score API - returns Walk Score, Transit Score, and Bike Score for any location in the US and Canada; (2) Public Transit API - returns Transit Score and provides access to nearby transit stops and routes from 350+ transit agencies, with calls for score, stop search, network search, stop details, route details, and supported cities; (3) Travel Time API - calculates travel times between places for drive (with rush hour/free-flow traffic), transit, walking, and biking modes, available as both JavaScript library and HTTP/REST version; (4) Travel Time Polygon API - generates polygons showing commute shed from a given point. API calls require an API key. Free tier offers 5,000 calls/day with Walk Score, Transit Score, and Bike Score. Premium tier includes all APIs with high-volume usage, data caching, and multiple domains. Developer documentation is at www.walkscore.com/professional/api.php.
What industry is Walk Score in?
Walk Score's product category is Real Estate Data and Analytics. Its primary akta.pro industry code is THALAIAJ, Location, Footfall & Mobility Intelligence (Origin-Destination, visitation), with a secondary code of BPAMANAA, Consumer Navigation & Turn-by-Turn Apps. Its NAICS code is 485999 and its SIC code is 4700.