HCM-23 — designated 1963-08-09
San Fernando Rey Mission
15151 San Fernando Mission Boulevard
religious institution or other excluded category; separate analytical track
outside the analytical frame — religious property, federal land, or category excluded by rubric
street view ↗ satellite ↗ big orange landmarks ↗ (bariscale, 2007) adobe (orchestrator-captured imagery is not building-aimed — use these for HITL verification)
Six-axis scores
- A. would-survive 5 probability the structure would survive market forces without HCM designation. low = needs protection.
- B. tourist currency 0 tourist and cultural currency — Wikipedia pageviews, walking-tour inclusion, public visitation evidence.
- C. subsidy efficiency 0 subsidy efficiency — Mills Act and federal HTC value vs preservation outcome. zero means no active subsidy.
- D. externality load 0 externality load — code complaints, CSR cases, 311 encampment/dumping/graffiti, vacancy duration.
- E. neighborhood health 7 neighborhood health — median household income, distress indicators, displacement risk.
- F. alternative-use value 5 alternative-use value — parcel acres, TOC tier, TPA eligibility, zoning capacity for higher use.
overall confidence: unknown
Site
- lat / lon
- 34.27484, -118.46054
- parcel acres
- 30.539480384268906 (inferred)
- typology
- religious
- TPA / TOC
- no
- zoning capacity
- —
- nrhp listed
- no
- architect prominence
- —
Condition + subsidy
all "condition" fields below are proxies derived from LADBS permit history, 311 CSR cases, and code complaints. none of these directly measures occupancy. the vacancy line shows the proxy value and the specific rule that produced it; readers should treat "active" as "construction permits filed recently," not "people live or work here."
- vacancy proxy
- unknown
- vacancy proxy basis
- no signal
- last permit
- —
- permits last 24mo
- 0
- code complaints 24mo
- 0
- CSR open cases
- 0
- Mills Act contract
- no — not in la OHR appendix a (2019 list of Mills Act properties)
- federal HTC
- no
- Wikipedia pageviews 12mo
- —
- walking-tour inclusion
- no
- median hhi (tract)
- $72,396
- assessed value
- —
Contextual signals (GIS)
these are contextual proxies — signals derived from spatial context, not direct measurements of the property. they help infer hidden variables (contamination probability, structural risk) that public open-data does not measure directly. source: cal OEHHA CalEnviroScreen 4.0 (cumulative pollution burden by census tract).
- census tract
- 6037109100
- CalEnviroScreen overall percentile
- 78.0 (decile 8)
- cleanups percentile
- 0.0
- groundwater threats percentile
- 0.0
- hazardous waste percentile
- 58.3
- toxic release percentile
- 55.8
- lead exposure percentile
- 49.1
- EnviroStor cleanup sites nearby
- —
- in CGS liquefaction zone
- no
- type-1 contamination probability (fused)
- 0.11 — low
- type-2 structural-risk probability
- 0.30 — moderate
Narrative
history
the mission san fernando rey de españa was founded on september 8, 1797, by franciscan friar fermín lasuén as the seventeenth in the chain of twenty-one california missions. the mission complex, located in the present-day mission hills neighborhood of los angeles, served as a major agricultural and ranching enterprise through the spanish colonial and mexican periods, at its peak managing hundreds of thousands of acres and thousands of head of livestock. the original convento building, a long adobe structure constructed (approximately) between 1810 and 1822, remains one of the largest surviving adobe structures in california. the mission suffered significant damage from the 1812 and 1971 sylmar earthquakes; the 1971 sylmar earthquake (magnitude 6.6) was particularly destructive and necessitated extensive reconstruction of the church nave, which was completed (approximately) in 1974. the property has remained under continuous roman catholic ecclesiastical administration — currently the archdiocese of los angeles — and functions today as an active parish and museum.
architectural significance
the mission complex represents a canonical example of california mission revival at its source: thick adobe walls, rounded arcade colonnades, red clay tile roofing, and spare ornamental detailing consistent with late 18th- and early 19th-century franciscan construction norms. the convento's 21-arch corridor arcade is a primary surviving referent for the style that subsequently influenced a large body of southern california institutional and residential architecture across the 20th century. comparable extant examples in the broader region include mission san gabriel arcángel (san gabriel, est. 1771) and mission san buenaventura (ventura, est. 1782); within los angeles county, san fernando rey is the only intact mission complex of this period. distinctive features include the reconstructed church facade with its asymmetrical bell wall, the original convento adobe dating to (approximately) 1810–1822, a functioning fountain courtyard, and extensive archival and artifact collections maintained on-site.
neighborhood context
the surrounding mission hills tract records a median household income of approximately $72,396, placing it in the middle quintile for los angeles county and indicating a stable working- and middle-class district rather than acute economic distress. five-year population change is modestly positive (+123 persons), consistent with low-growth stability rather than either rapid gentrification or decline. encampment, dumping, and graffiti 311 signals within 500 feet of the property register at zero across the 24-month window, suggesting the immediate block environment is well-managed. transit and parcel-capacity data were not returned, but the surrounding land-use pattern is predominantly low-density residential with limited transit premium infrastructure, consistent with the san fernando valley submarket. | metric | value | |---|---| | census tract | 06037109100 | | median hhi | 72396 | | 5yr δ population | 123 | | 311 within 500ft (24mo) | 0 | | encampment 311 calls | 0 | | ladbs code complaints (24mo) | — | | last permit year | — |
subsidy and condition
| field | value | |---|---| | mills act | — | | federal htc | — | | vacancy status | — |
classification reasoning
axis a (survival without protection) scores 5 at medium confidence, reflecting genuine ambiguity: the property is owned by the archdiocese of los angeles, an institution with substantial capital resources and strong independent motivation to maintain the site, which argues against vulnerability; however, earthquake exposure, the cost of maintaining large adobe structures, and the absence of nrhp listing or a mills act contract leave open a non-trivial scenario in which deferred maintenance accumulates without external accountability. axis d (externality load) scores 0 at medium confidence, supported by the complete absence of 311 encampment, dumping, and graffiti complaints in the immediate vicinity — the site generates no measurable negative spillover onto surrounding parcels. axis e (neighborhood health) scores 7 at high confidence, driven by the median hhi of $72,396 and stable population change; the tract does not exhibit the distress indicators that would warrant concern about the site's broader community context. axes b, c, and f return scores of 0 with unknown confidence because the underlying data — google reviews, wikipedia pageviews, walking-tour inclusion, subsidy records, parcel acreage, zoning capacity, and toc tier — were not returned in the fetch. this data absence does not reflect a scoring judgment; it reflects an incomplete data pull for a site whose ecclesiastical ownership and operational structure fall outside standard municipal property databases. the candidate flag conditions are not met and are moot under the exemption logic: typology is confirmed as 'religious,' which routes the record to the exempt track before axis thresholds are evaluated. overall confidence is rated unknown due to the volume of null fields, but the exemption determination does not depend on those axes.
sources
- la311: https://data.lacity.org/resource/h65r-yf5i.json?$where=within_circle(location%2c%2034.27483635989322%2c%20-118.46053596133721%2c%20152)%20and%20createddate%20%3e%20'2024-05-10'&$limit=1000 --- _generated by hcm-1200 orchestrator on 2026-05-10t22:04:25.370z._