Goodman Design

Septic Company in Tacoma, Washington

3(4 reviews)
(253) 584-1794, Tacoma, WA 98464View on Yelp
Goodman Design - septic in Tacoma, WA

Customer Reviews

3
out of 5
4 reviews

Based on Yelp ratings

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About Goodman Design

Goodman Design is a Tacoma-based septic design firm serving Pierce County property owners who need engineered on-site sewage system plans. With a 3.0 rating from 4 reviews, the firm is still building its review profile in what is a specialized, technical field where most clients are professionals or developers rather than everyday homeowners. Tacoma and the surrounding unincorporated areas of Pierce County continue to see development pressure, and every new build or major system replacement that goes through county permitting needs a professionally prepared design. That's where a design-focused firm fits in.

Services

Septic Services

Services & Process

Goodman Design focuses on the planning and permitting side of septic work rather than physical installation or pumping. This includes site evaluation, soil testing, and preparation of engineering drawings that meet Pierce County Environmental Health standards. They work with property owners, builders, and real estate developers who need a permitted design to move a project forward. Site feasibility assessments are also offered for undeveloped lots, giving buyers and developers a clear answer on whether a parcel can support a legal on-site sewage system before significant money is committed.

Service Area

Goodman Design serves Tacoma and Pierce County, with projects covering unincorporated areas, new development sites, and existing properties requiring system upgrades. Nearby communities including Puyallup, Sumner, and Bonney Lake fall within their typical project range.

Frequently Asked Questions

What does a septic site feasibility study tell me before I buy land?
A feasibility study evaluates whether a vacant lot can support an on-site septic system based on soil conditions, lot size, setback requirements, and proximity to water features. It gives you a clear, professional opinion before you commit to a purchase. Buying land without this assessment has caught many buyers off guard when they discover a lot can't legally be built on.
What is the difference between a septic designer and a septic installer in Washington State?
In Washington, licensed on-site sewage system designers are responsible for the engineered plans and permit documentation, while licensed installers do the physical construction work. Some companies hold both licenses, but many specialize in one or the other. For complex projects, working with a dedicated designer often produces a more carefully considered plan.
How does Pierce County review and approve a septic design?
Pierce County Environmental Health reviews submitted designs for compliance with state and county standards, including system sizing, setbacks, and soil loading rates. They may request revisions or additional information before issuing a permit. Having a thorough, well-documented initial submission reduces back-and-forth and speeds up the approval timeline.
Can a septic design be reused if I decide to build on a lot years after the original testing?
Perc test results and design approvals have expiration timelines under Washington State regulations. If too much time has passed since the original testing, new soil evaluation may be required before a permit can be issued. It's worth checking with Pierce County Environmental Health to confirm whether existing data is still valid for your project.
What makes some Tacoma-area lots harder to design septic systems for?
Lots near wetlands, steep slopes, or with high seasonal groundwater present real design challenges because setbacks and soil conditions limit where a system can be placed. Smaller urban lots also constrain where tanks and drain fields can go relative to the home, property lines, and wells. These situations require creative engineering rather than a one-size-fits-all approach.
Do I need a new septic design if I'm adding a bedroom to my home?
Possibly. Septic systems are sized based on the number of bedrooms in a home because bedroom count is used to estimate daily water use. Adding a bedroom may require demonstrating that the existing system has adequate capacity, which could involve system evaluation or a new design if expansion is needed. Checking with Pierce County before starting construction is the right first step.

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