The State of Masonic Relationships Research MapAttributed facts for traveling Masons · not a regularity oracle

San Dimas Lodge

lodgeactivenot on UGLE listca-428-san-dimas-lodge

Identity

Abbreviation
unknown
Jurisdiction
US-CA · California
Also operates
unknown
Naming style
F&AM
Claimed tradition
craft lodge under Grand Lodge of California, F. & A.M.
Founded
unknown
Website
https://lodge428.freemason.org/

Public contacts

email: SanDimasMasons@gmail.com personal published by org
phone: (909) 599-2436 public organizational

Addresses

physical 220 N Monte Vista Ave, San Dimas, CA, 91773-2618
mailing 220 N Monte Vista Ave, San Dimas, CA, 91773

Officers (public)

unknown

Website

Website liveness

live siteWaybackOfficial URLs are kept after they die. Facebook is social, not a replacement site.

Current site
San Dimas Lodge No. 428 HTTP 200
Former sites
none recorded
Facebook
https://www.facebook.com/pages/category/Nonprofit-Organization/San-Dimas-Masonic-Center-194228857298512/

Public-web footprint

Public-web footprint

Rank #98 worldwide · score 69.7 · high live siteTravel signal only. Footprint ≠ members. Dead official URLs do not earn the live-site points.

SignalCount / sourcePts
Own official websiteyes18.0
Pages absorbed2012.0
Distinct hosts58.0
Social accounts48.0
HTTP 200 / 404 (site-like)2 / 08.0
Last verified (site-like)2026-09-20 (0d)6.0
Description corpus chars2251.7
Officers listed publicly00.0
Meeting schedule publishedno0.0
Hall / addressphysical · geocoded8.0
Proceedings / sketches / assertions00.0
Parent GL membership prior (sourced only)none in corpus0.0

formula v1.1 · computed 2026-09-20 · join key lodge UUID 6d63befb-8705-5d92-ab57-9eeb9ddb8539

Lodge lifecycle

Number
428
Status
active
Grand Lodge
Grand Lodge of California, F. & A.M.
Opened
unknown
Closed
unknown
Successor
unknown
Meetings
unknown

Events

No lifecycle events. Proceedings not extracted yet.

Historical lineage

Charter / constitution / claimed descent. Not recognition.

This body traces through / was chartered by

SourceTargetDatesEvidence
Grand Lodge of California, F. & A.M.charteredSan Dimas Lodgeunknown – unknownSourceautomatically_extracted

Current recognition

Directed edges only. Mutual recognition would appear as two edges.

This organization recognizes

None documented.

Organizations that recognize this one

None documented.

Classifications (attributed)

Exact language from a named body. The database has no is_clandestine flag.

None documented.

No attributed classifications.

Other documented relationships

None documented.

Primary-source corpus

URLs collected about this organization, including directory entries and official pages.

directory entry · locator
San Dimas Lodge No. 428 — directory

Public directory listing. Status: active. Close date not stated.

first seen 2026-09-20 · last verified 2026-09-20 · HTTP 200

Sourced descriptions

extracted excerptLodgeLocator entity 6 — Grand Lodge of California, F. & A.M.

San Dimas Lodge No. 428 listed under Grand Lodge of California, F. & A.M. as active at 220 N Monte Vista Ave, San Dimas, CA, 91773-2618 on public directory (accessed 2026-09-20). Open/close dates not stated on this directory.

Assertions

PredicateValueSourceState