BEBuild Eastside

Before you buy land

Buying land to build a home in Bellevue: what to check first

A buildable-looking lot is not necessarily a practical building site. The expensive surprises are usually below the headline price: access, utilities, slopes, soils, drainage, trees, and the size of house the rules actually allow.

Reviewed against official sources · August 2026

Confirm what can be built

  • Zoning, setbacks, lot coverage, height, and any overlays.
  • Easements, access rights, and title restrictions.
  • Critical areas, steep slopes, streams, wetlands, and buffers.
  • Significant trees and likely retention or replacement requirements.

Price the site work

  • Water, sewer, power, and communications connections.
  • Driveway, right-of-way, drainage, and retaining work.
  • Demolition and hazardous-material handling for an existing house.
  • Survey, arborist, geotechnical, civil, and environmental studies.

Use a feasibility period

Where the contract allows, give the architect and key consultants enough time to test a realistic concept and flag fatal constraints. A conceptual site plan and preliminary cost range are more valuable than assumptions based on nearby homes.

If the site works, continue with the Bellevue new-house permit process and prepare the project before hiring the full team.

Action plan

Run a real lot-feasibility study

  1. 1

    Obtain title, survey, and parcel information; map easements, access, legal lot status, and recorded restrictions.

  2. 2

    Have the architect test a code-compliant building envelope, driveway, parking, outdoor space, and likely tree-retention scenario.

  3. 3

    Screen critical areas, slopes, drainage, soils, retaining, shoring, and neighboring-tree impacts with the appropriate consultants.

  4. 4

    Request utility availability and preliminary connection assumptions for water, sewer, power, gas, and communications.

  5. 5

    Price demolition, site work, consultants, permits, financing, contingency, and time—not just vertical construction.

  6. 6

    Tie the purchase decision to written feasibility findings and professional advice within the contract’s deadlines.

Official resources

Useful links and contacts