Name: VIKTOR IVANOVICH GRISHKO
Address: 723 SE LINCOLN ST, PORTLAND, OR, 97214, US
Telephone: (503) 241-8318

License tenure

24 yrs

OR General Contractor avg: 11 yrs

Bond on file

$25,000

State avg: $26,522

Trust score

Based on license status, bond, and profile signals

About this business

General Contractor

RSK SERVICE CORPORATION is a licensed General Contractor contractor based in PORTLAND, Oregon, serving customers in PORTLAND, Out of State County (97214) and nearby Oregon communities. The company also does business as VIKTOR IVANOVICH GRISHKO.

RSK SERVICE CORPORATION coordinates multi-trade remodels, additions, and structural updates from permit through final inspection in PORTLAND. State classification on file: RGC.

Oregon CCB licensing applies to most residential construction and many specialty trades.

On file: OR active license 152314, backed by a $25,000 contractor bond, with records dating to 2002 (24 years on file). Current expiration: 2026-07-25. Verify current status with the Oregon Construction Contractors Board (CCB) before signing.

Phone on file: (503) 241-8318. Ask for a detailed scope before deposits - match the contract name to the license name.

Market insights

More established than typical General Contractor pros in OR.

Compared with other General Contractor contractors in PORTLAND, this license has above-average tenure.

Many General Contractor contractors in OR include bond details on their profile — compare before you hire.

How this pro compares

License tenure vs state average

RSK SERVICE CORPORATION

23.9 yrs

OR General Contractor average

11.5 yrs

RSK SERVICE CORPORATION's license is 12.4 years above average for General Contractor contractors in OR.

Bond amount vs state average

RSK SERVICE CORPORATION

$25,000

OR average

$26,522

Oregon licensing records include bond amounts for most active contractors.

License journey

License issuedJuly 25, 2002
24 yrs of operating history on record
License verifiedMay 29, 2026
License checked 23 days ago
License expirationJuly 25, 2026
Renews within the next year

License details

License #152314

StatusActive

IssuedJuly 25, 2002

ExpiresJuly 25, 2026

Bond$25,000

CountyOut of State

StateOR

Last verifiedMay 29, 2026

License verified with Oregon Construction Contractors Board · last checked May 29, 2026. Confirm status with the state board before hiring.

Before you hire checklist

Work through these steps before signing — checking items helps you compare contractors with confidence.

1Verify license statusConfirm 152314 with Oregon Construction Contractors Board before signing a contract.
2Review bond & insurance$25,000 on file per state licensing records. Ask for current insurance certificates and workers' comp proof before work begins.
3Match scope to license classEnsure the license covers General Contractor work for your project type in OR.
4Compare written quotesCompare at least three written estimates from licensed General Contractor contractors in PORTLAND.
5Use a written contractInclude timeline, payment schedule, permit responsibility, and warranty terms before work begins.

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