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Residential Building Permits in Seattle, Handled From Start to Finish

Residential building permits don’t have to mean months of back-and-forth. We prepare complete applications, track every review, and answer corrections fast, so your new home, addition, or remodel gets approved without the usual guesswork.

Family in front of their new home after residential building permits were approved
Fewer corrections. Faster approvals.

Why Residential Building Permits Take Longer Than They Should

Most delays aren’t caused by slow reviewers. They come from applications that weren’t ready. A missing document, a zoning detail nobody checked, or a drawing that doesn’t match the site plan, and the file goes back to the bottom of the pile with a correction letter attached.

Every correction round can add weeks. Two or three rounds, and a spring start turns into a fall start. Meanwhile, your loan is accruing interest and your contractor is booking other jobs. If you’re not sure what your lot allows yet, a feasibility study is the right first step.

What a delayed permit really costs:

Residential Building Permits We Handle

Residential building permits come in many forms. From a new single-family home to a covered deck, we know which one you need, what goes in the application, and how the reviewers will read it.

New Construction

New single-family homes, backyard cottages, and small multi-unit projects, from the first submittal to permit issuance.

Additions

Second stories, rear additions, and bump-outs. We check setbacks, height, and lot coverage before you design.

Interior Remodels

Kitchens, baths, basements, and removed walls. Structural changes almost always need a permit, even inside.

Site Rearrangements

Grading, retaining walls, and moving structures on the lot. Often paired with drainage and tree review.

Driveways & Access

New curb cuts, driveway changes, and parking pads, including the street use permit when work reaches the sidewalk.

Decks & Outdoor Structures

Raised decks, covered patios, pergolas, and detached garages. Height and size decide what needs review.

Change of Use

Turning a garage or basement into living space, or adding a dwelling unit. Code requirements change with the use.

Land Use Approvals

Lot boundary adjustments, short plats, and zoning decisions that need to come before the building permit.

Specialty Permits

Tree removal, critical areas, demolition, and other one-off approvals. Not sure which one applies? Ask us.

Why Permit Applications Get Sent Back

We’ve read a lot of correction letters on residential building permits. The same handful of issues show up again and again, on big projects and small ones. Catching them before submittal is the fastest way to shorten a review.

The city publishes what it expects in an application. If you want to see the official steps, the SDCI permit guide lays them out. Our job is to make sure your plans clear each of them the first time.

Our goal: one correction round or fewer. Most delays happen between rounds, not during review.

Incomplete Plan Sets

Missing sheets, details, or calculations. The reviewer can't approve what isn't on paper.

Zoning Conflicts

A setback, a height limit, or lot coverage that's slightly off. Small on paper, but it can mean redrawing the house.

Missing Reports

No geotechnical report on a mapped slope, or no drainage plan for new hard surfaces. These need to be in the first submittal.

Documents That Don't Match

The site plan says one thing, the floor plan another. Reviewers notice, and they'll ask you to fix both.

Slow or Partial Responses

Answering only some comments, or taking weeks to reply. Every incomplete response restarts the clock.

How We Get Residential Building Permits Approved

Five steps, one point of contact. Whatever residential building permits your project needs, you’ll always know where each application is and what happens next.

01

Permit Strategy

We confirm which permits you need, in what order, and what each one requires.

02

Pre-Submittal Check

We review your plans against code and zoning the way a reviewer would.

03

Submit & Track

We file the application, keep the portal up to date, and watch every review.

04

Answer Corrections

We coordinate responses with your designer and resubmit quickly and completely.

05

Permit Issued

You get the approved set and a clear list of conditions before you build.

Residential Building Permits FAQ

Do I need a permit for my project?

Probably, if you’re adding space, changing the structure, moving plumbing or wiring in a meaningful way, or building anything taller than a low deck. Cosmetic work like paint, flooring, and cabinets usually doesn’t need one. The rules have exceptions, so if you’re unsure, ask us. It’s a quick answer.

Simple projects can be approved in a few weeks. A new house or a large addition typically takes a few months, depending on the city’s workload and how many correction rounds are needed. The part you can control is the quality of the application, and that’s where we focus.

Yes, homeowners can apply for many residential building permits on their own. The question is whether you have the time to learn the portal, the code, and the review process. Most of our clients come to us after a first attempt stalled, or because they’d rather spend that time on their job and family.

The property address, a short description of what you want to build, and any drawings or reports you already have. If you don’t have a designer yet, that’s fine. We can tell you what kind of plans the project will need and connect you with people we trust.

Corrections are normal. We read the letter, sort the items by who needs to fix them, and coordinate with your designer and engineers. Then we send back one complete response. If a comment is unclear, we call the reviewer instead of guessing.

Often, yes. It usually means documenting what exists, sometimes opening walls for inspection, and applying for a permit for the work as built. It’s much easier to do this before you sell or before you start a new project on the same property.

No honest expediter can. The city makes the decision. What we can promise is a complete, well-prepared application, fast responses, and straight answers. If your project has a real problem, we’ll tell you early, before you spend money on it.

Get Your Permit Right the First Time

Tell us about your project. We’ll tell you which permits it needs, what the city will look for, and a realistic timeline. Free, and with no obligation.