What services does GEO-SYNTHETICS SYSTEMS LLC offer?

GEO-SYNTHETICS SYSTEMS LLC's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.

What is GEO-SYNTHETICS SYSTEMS LLC's typical project cost?

Cost information for GEO-SYNTHETICS SYSTEMS LLC is not published in our directory. Contact the firm directly at 2625485825 for a project-specific quote.

Where is GEO-SYNTHETICS SYSTEMS LLC located and what areas do they serve?

GEO-SYNTHETICS SYSTEMS LLC is based in Waukesha, WA and lists licensing in WA. Confirm current standing with the relevant regulator.

How do I hire GEO-SYNTHETICS SYSTEMS LLC?

To hire GEO-SYNTHETICS SYSTEMS LLC: call 2625485825. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.

GEO-SYNTHETICS SYSTEMS LLC

Directory information score: 6/100

Profile updated October 2, 2026

Washington State Labor & Industries’ contractor license dataset lists GEO-SYNTHETICS SYSTEMS LLC as a construction contractor with the general-contractor specialty. As observed on 2026-10-02, the dataset listed GEOSYSL816O4 (ACTIVE, expires 12/18/2027). Its listed mailing address is C/O TAMMY OSTER, 2401 PEWAUKEE ROAD, Waukesha, WA 53188, and its listed business phone is 2625485825. L&I describes these as contractor-reported records; the mailing address and phone have not been independently confirmed.

Directory information score for GEO-SYNTHETICS SYSTEMS LLC

Fixed points summarize recorded information, not service quality. Missing data adds no points and may explain a lower score. Listed credentials and press mentions are not independently verified by this score.

Public rating: N/A/5 → 0 / 35 points
Review Volume: 0 reviews → 0 / 20 points
Listed credentials: None listed → 0 / 5 points
Listed press mentions: 0 mentions → 0 / 3 points
Web Presence: 0 / 20 points
Recorded history: N/A → 0 / 2 points
Profile information: 6 / 15 points

Key facts

Based in: Waukesha, WA
Address: C/O TAMMY OSTER, 2401 PEWAUKEE ROAD
Phone: 2625485825
Budget tier: Contact firm
Licensed in: WA

Frequently asked questions

What services does GEO-SYNTHETICS SYSTEMS LLC offer?: GEO-SYNTHETICS SYSTEMS LLC's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.
What is GEO-SYNTHETICS SYSTEMS LLC's typical project cost?: Cost information for GEO-SYNTHETICS SYSTEMS LLC is not published in our directory. Contact the firm directly at 2625485825 for a project-specific quote.
Where is GEO-SYNTHETICS SYSTEMS LLC located and what areas do they serve?: GEO-SYNTHETICS SYSTEMS LLC is based in Waukesha, WA and lists licensing in WA. Confirm current standing with the relevant regulator.
How do I hire GEO-SYNTHETICS SYSTEMS LLC?: To hire GEO-SYNTHETICS SYSTEMS LLC: call 2625485825. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.

Sources & evidence

Published statements, observation dates and unresolved questions for this specific profile.

Mailing address and phone reported to Washington L&I

Matched to a register

L&I lists the mailing address as C/O TAMMY OSTER, 2401 PEWAUKEE ROAD, Waukesha, WA 53188, and the business phone as 2625485825 for the registration record(s) listed on this profile.

These are mailing address and business phone fields in the Washington L&I contractor dataset, not an independently verified work location or confirmed working phone. The source dataset metadata showed a last update on 2026-09-29 and was captured 2026-10-02.

The contact fields come from the same official L&I registration row identified by license number; L&I’s dataset describes the address as mailing address and phone as the business phone supplied in that record.

Washington L&I contractor registration record — GEOSYSL816O4 · Source observed 2026-10-02

Reviewed 2026-10-02 · Review due 2026-10-16 · Version 1

Washington L&I general-contractor registration

Matched to a register

Washington L&I’s contractor dataset lists GEO-SYNTHETICS SYSTEMS LLC with the GENERAL general-contractor specialty registration(s): GEOSYSL816O4 (ACTIVE, expires 12/18/2027).

The official dataset labels these contractor registrations ACTIVE as observed 2026-10-02 and reports the listed expiration dates. This is a dated registry snapshot, not a guarantee of status after that date, insurance, permits, work quality, or suitability.

The state’s public contractor dataset was downloaded on 2026-10-02; its metadata showed a last update of 2026-09-29. The source row was required to have ACTIVE status, general-contractor specialty, and an expiration date on or after 2026-10-02.

Washington L&I contractor registration record — GEOSYSL816O4 · Source observed 2026-10-02