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Independent guidance
Home Access Advisor

David Chen

Editor, Ramps & Entryways

David covers ramps, entry modifications, and the geometry that decides whether a project costs $1,500 or $9,000. He builds the calculators on this site and checks every dimension against published accessibility guidance before publishing.

Areas of expertise: Ramp design · Entryway access · Slope and rise calculations · Porch lifts

Articles

Written by David Chen

Ramps & Entry

Wheelchair Ramp Cost

Ramps are priced by length, and length is set by your rise. Get the geometry right and the quotes become simple to compare.

Ramps & Entry

Threshold Ramp Guide

The cheapest accessibility product that meaningfully changes daily life.

Ramps & Entry

Entryway Modifications

The ramp is half the job. The door, the sill, and the landing are the other half.

Fact-checking

Reviewed by David Chen