Washington contractor
N A & S GENERAL CONSTRUCTION
Registered in Washington for 8 years
- License number
- NSGEN*S830Q1
- UBI
- 602995956
- Trade
- General contractor(all general contractor contractors in Washington)
- L&I license type and specialty
- CONSTRUCTION CONTRACTOR · GENERAL
- City
- KENNEWICK, WA(all contractors in Kennewick)
- Phone
- (509) 521-7698
Current verification
- Found: Active Washington contractor registration
- Found: Current bond record found
- Found: Current liability insurance record found
- Found: No Attorney General complaint records found
From the state records below; each section shows its source and when it was last synced.
Registration
- Status
- ACTIVE
- Effective date
- November 21, 2017
- Expiration date
- August 13, 2028
Source: L&I Contractor License Data - General, Washington State Department of Labor & Industries. Last synced October 7, 2026.
Bond
Current bond
- Bond company
- Nationwide Mutual Ins Co
- Bond number
- 7901210751
- Amount
- $30,000
- Effective date
- February 22, 2026
- Expiration date
- Until canceled
Bond history
- Bond company
- Travelers Cas and Surety Co of America
- Bond number
- 107789882
- Amount
- $12,000
- Effective date
- February 22, 2023
- Expiration date
- Not on record
- Cancellation date
- February 22, 2026
- Bond company
- Navigators Ins Co
- Bond number
- NAV00038892
- Amount
- $12,000
- Effective date
- March 17, 2021
- Expiration date
- Not on record
- Cancellation date
- March 18, 2023
- Bond company
- United States Fire Insurance Co
- Bond number
- 615981083
- Amount
- $12,000
- Effective date
- November 15, 2017
- Expiration date
- Not on record
- Cancellation date
- March 17, 2021
Source: L&I Contractor License Data - Bond, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Liability insurance
Current policy
- Carrier
- Scottsdale Ins Co
- Policy number
- CPS8498363
- Coverage amount
- $1,000,000
- Effective date
- August 23, 2026
- Expiration date
- August 23, 2027
L&I publishes only the policy currently on file. Earlier policies are kept from our own nightly syncs, which began October 6, 2026.
Source: L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries. Last synced October 9, 2026.
People
Principals L&I lists for this license.
- Medina-Adame, GuillermoSince November 21, 2017
- Nava Alvarado, EverardoSince November 21, 2017
- NAVA, MARLON EMMANUELSince September 17, 2026
- Madrigal Tafolla, CarolinaNovember 21, 2017 to January 31, 2020
- Nava Alvarado, Juan ReneNovember 21, 2017 to September 17, 2026
- Zermeno Gonzalez, MagdalenoNovember 21, 2017 to January 31, 2020
Source: L&I Contractor License - Principal Data, Washington State Department of Labor & Industries. Last synced October 9, 2026.
Attorney General complaints
No Attorney General complaint records found.
Matched on business name and city: N A S GENERAL CONSTRUCTION in KENNEWICK. Complaints filed under another name or city are not included.
A complaint record does not establish that the business violated the law.
Source: Attorney General Consumer Complaints, Washington State Attorney General's Office. Last synced October 9, 2026.
Record history
Changes to this contractor's state records since we began tracking them. The state's current-status tools do not show these.
No changes recorded since our records began on October 6, 2026.
Sources
- L&I Contractor License Data - General, Washington State Department of Labor & Industries
- L&I Contractor License Data - Bond, Washington State Department of Labor & Industries
- L&I Contractor License Data - Insurance, Washington State Department of Labor & Industries
- L&I Contractor License - Principal Data, Washington State Department of Labor & Industries
- Attorney General Consumer Complaints, Washington State Attorney General's Office
Record last synced October 7, 2026.
Check this record against the state directly on L&I's Verify a Contractor page (search by license number NSGEN*S830Q1).