Bellevue Remodeling Permits — What Development Services Requires Before You Build

Bellevue is not Redmond, and the difference is the ground

If you have remodeled on the Eastside before, you may assume one city’s permit process transfers to the next. In most respects it does. In Bellevue, one thing does not. Bellevue sits on hills, streams, two lakes and, in places, abandoned coal workings. Its Land Use Code responds to that with a Critical Areas Overlay District — LUC 20.25H — that layers additional requirements on top of the ordinary zoning rules. A meaningful share of Bellevue’s residential lots fall inside it. That single fact changes the shape of a permit application more than anything else in the city’s code. It is the first thing to establish about your property, and it should be established before anyone draws a floor plan.

What triggers a permit in Bellevue

Development Services issues residential building permits for one- and two-family dwellings. The threshold questions are the same ones every jurisdiction asks, but Bellevue draws some of the lines in specific places.

• Any addition of new square footage to an existing structure, including a second storey, a change to roof slope, or the addition of dormers
• New detached structures, including accessory dwelling units, whether attached or detached
• Decks more than 30 inches above grade
• Retaining walls more than 4 feet in height, measured from the bottom of the footing
• Structural changes to walls, floors or roof framing
• Work that alters or extends the electrical, plumbing or mechanical systems

Bellevue also separates residential permits by size. An addition of less than 3,000 square feet of attached floor area is one permit category. A new dwelling, or an addition greater than 3,000 gross square feet of new or replaced floor area, is another. Which category your project falls in affects both the submission requirements and the review path. Purely cosmetic work — paint, hardware, fixture swaps that do not touch the rough-in — generally falls below the permit threshold. But the threshold is narrower than most homeowners assume, and the cost of guessing wrong is retroactive.

The Critical Areas Overlay, and why it matters before design

The Critical Areas Overlay District applies to any site containing, in whole or in part, a designated critical area, a critical area buffer, or a structure setback from either. Bellevue designates several categories, and the list is longer than most Eastside cities:

• Steep slopes and landslide hazard areas
• Streams and wetlands
• Seismic hazard areas
• Coal mine hazard areas, a legacy of historic mining in the south and east of the city
• Critical aquifer recharge areas
• Habitat associated with species of local importance

Where a critical area exists, LUC 20.25H.035 establishes a 15-foot structure setback measured from the edge of the critical area buffer — and that setback sits on top of your ordinary front, side and rear yard setbacks, not instead of them. Steep slopes carry their own buffer. Modifying a top-of-slope buffer requires a critical areas report prepared by a qualified geotechnical engineer, submitted as part of a Critical Area Land Use Permit application. That is a separate process running alongside the building permit, with its own timeline. The practical consequence is straightforward. On a constrained Bellevue lot, the buildable envelope may be considerably smaller than the zoning setbacks alone would suggest. Establishing that envelope first is the difference between a design that gets permitted and a design that gets redrawn.

The code changed in 2026 — check which version applies

Bellevue’s critical areas regulations were repealed and replaced by Ordinance 6894, adopted 9 December 2025 and codified in April 2026. If you are working from guidance published before that date, or from a neighbour’s experience on a project permitted a few years ago, some of what you have been told is now out of date. Buffer widths, designation criteria and performance standards were all revised. This matters most for anyone who looked into a project previously and shelved it. The answer you got then may not be the answer now, in either direction.

Hillside lots and the driveway rule

One provision worth knowing about, because it comes up constantly on Bellevue’s hillside lots and rarely anywhere else. Under LUC 20.20.025, where a lot’s topography makes it impossible to build a driveway at less than 15 percent slope, a garage or carport may be permitted within the front yard setback — subject to approval by the Director of Development Services, and subject to height limits measured from street level. It is a narrow allowance with several conditions attached. But on a steep Bellevue lot it can be the difference between a workable garage placement and none at all, and it is the sort of provision that only surfaces if someone reads the code before drawing.

How the process actually runs

Bellevue’s permitting is entirely paperless. Applications, plan uploads, fee payment and inspection scheduling all run through MyBuildingPermit.com, the shared regional portal, rather than a city-specific system. Permits divide into two broad groups: those requiring plan review, and those that do not. Anything structural, anything adding square footage, and anything touching a critical area falls into the first group. Typical residential plan review for a straightforward project runs in the region of four to six weeks. Projects requiring administrative review, a critical areas report, or hearing examiner review take considerably longer. Those are indicative timeframes rather than commitments — confirm current review times with Development Services when you apply. Construction and demolition waste is governed separately, under King County’s Construction and Demolition Materials Management requirements. On a whole-house or addition project this affects how debris is handled and where it goes.

Shoreline properties have a second overlay

If your property fronts Lake Washington, Lake Sammamish, Lower Kelsey Creek or Phantom Lake, a Shoreline Overlay District applies in addition to everything above, under LUC 20.25E. Shoreline properties carry their own setback requirements, their own permitted-use list, and their own approval process. A remodel that would be routine two streets inland can become a considerably longer application on a waterfront lot.

What we do, and what you should confirm yourself

Anyvision prepares and files permit applications for Bellevue projects under WA Lic #ANYVIHR768KB — drawings, site plan, fees, and correspondence with Development Services through to final inspection. Before design begins on a Bellevue project, three things get established: which zoning district the lot sits in, whether any part of it falls within the Critical Areas or Shoreline Overlay, and what that leaves as a buildable envelope. Those answers shape the design rather than constrain it afterwards. Two things worth doing yourself. Look your property up on the Bellevue Map Viewer, which shows critical area layers alongside parcel information. And verify any contractor’s Washington registration at the Department of Labor and Industries before signing anything. This page is general information, not legal or code advice. Bellevue’s Land Use Code is amended regularly, and the critical areas provisions were replaced as recently as April 2026. Confirm anything that affects your project with Development Services directly.