Leonard Peter Mastromonaco
Claim this profileLeonard Peter Mastromonaco is a lawyer licensed in California under State Bar of California bar number 103859. According to State Bar of California records, the license status of Leonard Peter Mastromonaco is Active, with admission in July 1982. Leonard Peter Mastromonaco has an address of record in Greenbrae, Marin County, California. This page is a directory listing by ALCBar Lawyer Directory; it is not an endorsement or a referral.
License
- License jurisdiction
- California
- Licensing authority
- State Bar of California
- Bar number
- 103859
- License status
- Active, according to State Bar of California records (official record)
- Admitted
- July 1982
- Status last verified
- Not yet verified by ALCBar. The status was copied from State Bar of California public records no later than June 3, 2026 (exact collection date not recorded) and has not been re-checked against the State Bar since.
Firm and location
- Firm or employer
- Not stated in the source
- Address of record
- Not stated in the source
- City
- Greenbrae
- County
- Marin County
- Office state or country
- California
- ZIP code
- 94904
Contact details
- Phone
- 415-956-4030
- Fax
- 628-500-8762
- Len@MastroLawGroup.com (as listed; delivery not tested)
- Website
- Not stated in the source
Practice areas
Real Estate. Listed in the directory's source file. Where that list came from is not confirmed, and Leonard Peter Mastromonaco has not confirmed it. It is not a certification of specialization.
Documented matter experience
ALCBar has no reviewed matter records for Leonard Peter Mastromonaco. This means the information is not available, not that Leonard Peter Mastromonaco lacks experience.
Sources and verification
| Information | Source | Status |
|---|---|---|
| Name, bar number, license status, admission date | State Bar of California attorney record | Copy of the public record; not re-checked by ALCBar since it was copied |
| Firm, address, phone, fax, email, website | Directory copy of State Bar of California records | Not confirmed by Leonard Peter Mastromonaco; email delivery not tested |
| Practice areas | Directory source file (origin not confirmed) | Not confirmed |
| Information confirmed by the attorney | Profile claim | None. This profile has not been claimed. |
| Independently reviewed information | ALCBar review | None |
Directory listing last updated 2026-10-11. If anything here differs from the State Bar of California record, the State Bar of California record is the authority.
This listing comes from public State Bar records. It is not an endorsement, a referral, or a statement about the skills of Leonard Peter Mastromonaco. ALCBar does not receive payment for this listing.