Raiser Construction Co Inc
Based in San Mateo
workers’ comp insured · licensed 63 yrs
Active · B · #215490 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
General contractor San Mateo, CA Limited Liability
S J Amoroso Construction Co LLC
Active License #331024 B General Building, A General Engineering · San Mateo, CA
- CSLB license age
- 49 yrs 8 mo
- Expires
- Feb 29, 2028
- Bond
- $25,000 bond
- Liberty Mutual Insurance Company
- Workers' comp
- ACIG Insurance Company
CSLB records dated Oct 16, 2026 checked Oct 18, 2026 Verify live on CSLB
License record
- Status
- Active CSLB status code: CLEAR
- Classes
- B · General Building, A · General Engineering
- Business type
- Limited Liability
- Issued
- Feb 4, 1977 CSLB license age: 49 yrs 8 mo as of the file date
- Contractor bond
- $25,000 bond Liberty Mutual Insurance Company, since Jan 1, 2023
- Workers' comp
- ACIG Insurance Company Jun 1, 2026 to Jun 1, 2027 · WC file dated Oct 17, 2026
- CSLB last updated this record
- Jun 1, 2026
Personnel of record
- Robert Wayne Erskine Responsible Managing Manager
As listed in CSLB's personnel file dated Oct 17, 2026. Personnel of record qualify the license. The file does not show who owns the business.
What the permit record shows
We have permit records for San Francisco and San Jose only. Other Bay Area cities don't publish contractor names in a form we can read, so an empty list here says nothing about work elsewhere.
San Francisco permits (matched by license number)
2permits in 24 months
- Residential
- 0
- Commercial
- 2
- Latest issued
- Jul 21, 2026
- Median permit value
- $16,000
Permits by declared value (2 with a value)
- Under $50k 2
- $50k to $250k 0
- $250k to $1M 0
- Over $1M 0
Latest permits (public permit numbers)
- Over-the-counter alterations permit · $13,000 · Jul 21, 2026 Permit #202607205286
- Over-the-counter alterations permit · $18,000 · Nov 5, 2025 Permit #202511048886
Source: DataSF building permits, checked Oct 18, 2026
Complaints and legal actions
CSLB lists complaint and legal-action disclosures on the license's page.
Check complaints on CSLBBefore you sign
- Down payment. On a home improvement contract it can't exceed $1,000 or 10% of the price, whichever is less. B&P 7159.5
- What this class covers. A B contractor's prime contract needs 2 or more unrelated trades (B&P 7057). B covers additions and structural work; a B-2 doesn't (CSLB class B-2).
Other licensed general contractors in San Mateo
Ranked by the published scoring rules on the methodology page.
City Building Inc
Based in San Mateo
workers’ comp insured · licensed 50 yrs
Active · B · #324335 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
Chavez Construction Company
Based in San Mateo
workers’ comp insured · licensed 46 yrs
Active · B · #391481 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
Questions about S J Amoroso Construction Co LLC
Is S J Amoroso Construction Co LLC licensed?
Yes. CSLB lists license #331024 (B, General Building; A, General Engineering) as active in its file dated Oct 16, 2026. It was first issued Feb 4, 1977 and expires Feb 29, 2028. Check the live record on CSLB before you sign.
What is the CSLB license number for S J Amoroso Construction Co LLC?
CSLB lists S J Amoroso Construction Co LLC under license #331024, class B, A, in San Mateo, CA.
Is S J Amoroso Construction Co LLC bonded and insured?
CSLB shows a $25,000 contractor bond with Liberty Mutual Insurance Company and workers' comp coverage through ACIG Insurance Company (policy to Jun 1, 2027). Those are the bond and workers' comp records in CSLB's file dated Oct 16, 2026. Ask for its certificate of general liability insurance.
Who owns S J Amoroso Construction Co LLC?
CSLB lists Robert Wayne Erskine (Responsible Managing Manager) as personnel of record. That file names the people who qualify the license. It does not show who owns the business. CSLB lists the business type as limited liability.
Where can I see CSLB complaint and legal-action records for #331024?
On license #331024's page on CSLB. It lists any complaint disclosures and legal actions CSLB publishes for the license.
Where can I read reviews of S J Amoroso Construction Co LLC?
We don't host reviews. The links under the license details search for S J Amoroso Construction Co in San Mateo on Yelp, Google, Houzz, BBB, Thumbtack and Angi, so you read them at the source.
Confirm or correct this page
For the business owner. Everything above comes from CSLB and city permit files. Send a correction and we check it against the source.