SIERRA NORTHWEST LNDSCPNG CO

Directory information score: 6/100
Profile updated October 2, 2026

Washington State Labor & Industries’ contractor license dataset lists SIERRA NORTHWEST LNDSCPNG CO as a construction contractor with the general-contractor specialty. As observed on 2026-10-02, the dataset listed SIERRNL903B2 (ACTIVE, expires 07/07/2028). Its listed mailing address is PO BOX 66863, PORTLAND, WA 97290, and its listed business phone is 5039011377. L&I describes these as contractor-reported records; the mailing address and phone have not been independently confirmed.

Directory information score for SIERRA NORTHWEST LNDSCPNG CO

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
PORTLAND, WA
Address
PO BOX 66863
Phone
5039011377
Budget tier
Contact firm
Licensed in
WA

Frequently asked questions

What services does SIERRA NORTHWEST LNDSCPNG CO offer?
SIERRA NORTHWEST LNDSCPNG CO's specific services are not yet catalogued in our directory. Contact the firm directly for their current service offerings.
What is SIERRA NORTHWEST LNDSCPNG CO's typical project cost?
Cost information for SIERRA NORTHWEST LNDSCPNG CO is not published in our directory. Contact the firm directly at 5039011377 for a project-specific quote.
Where is SIERRA NORTHWEST LNDSCPNG CO located and what areas do they serve?
SIERRA NORTHWEST LNDSCPNG CO is based in PORTLAND, WA and lists licensing in WA. Confirm current standing with the relevant regulator.
How do I hire SIERRA NORTHWEST LNDSCPNG CO?
To hire SIERRA NORTHWEST LNDSCPNG CO: call 5039011377. Most contractors ask about scope, timeline, and budget range before scheduling an estimate.

Related contractors in PORTLAND

Source: Washington State Department of Labor & Industries contractor license dataset (m8qx-ubtq), captured 2026-10-02; source dataset metadata showed a last update on 2026-09-29.. Profile updated October 2, 2026.

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 PO BOX 66863, PORTLAND, WA 97290, and the business phone as 5039011377 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.

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 SIERRA NORTHWEST LNDSCPNG CO with the GENERAL general-contractor specialty registration(s): SIERRNL903B2 (ACTIVE, expires 07/07/2028).

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.

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

Read sources, scope and review dates