Retrofit Atlas

Malls · California

Hillsdale Mall

Imported, unreviewedRedevelopedRetrofit proposedSan Mateo, CA

Proposed redevelopment flagged as 'already in play' amid declining retail, high housing costs, and active nearby development. · summary, model-written

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Site profile10 elements · what this retrofit is built with · tap a chip for the evidence

Finance and pipeline
Retrofit in the pipelineThis site: …proposed newtypes-extraction · all sites with this
Place
3+ other atlas sites within 10 kmThis site: 5 within 10 km computed · all sites with this
30,000+ vehicles a day on an adjacent roadThis site: 34,000 on 82 fhwa-hpms · all sites with this
County lost 10%+ of retail establishments since 2012This site: -11% census-cbp · all sites with this
County typical rent $2,000+This site: $3,993/mo zillow · all sites with this
Shrinking countyThis site: -2.7% census-acs · all sites with this
Strategy
RedevelopedThis site: record · all sites with this
New use
HousingThis site: …new_use field record · all sites with this
OfficeThis site: …new_use field record · all sites with this
Retail (continued)This site: …new_use field record · all sites with this

All elements and lists · Trends

Now

StatusRetrofit proposednewtypes-extraction reported
StrategyRedevelopment, proposedWikipedia no source
New useshousing, office, retailWikipedia no source

Site context

Housing permits, San Mateo County (CA), 2024538 units in 5+ unit buildings, 29 in 2–4, 521 single-family; 2023: 750 in 5+Census BPS
Other atlas sites nearby5 within 10 km, 18 within 25 km: 2820 South El Camino Real (0.0 km); 668 East 3rd Avenue (0.7 km); 3000 Clearview Way (3.4 km); Hillsdale Shopping Center (3.6 km); San Mateo Fashion Island (3.9 km)computed
Retail trade in the county, 2025 (BLS QCEW)28,461 jobs in 1,714 establishments; average annual pay $58,616; employment location quotient 0.70; employment -3.1% on the yearBLS QCEW 2025, NAICS 44-45, private
Jobs located in the tract, 20228,037 jobs; 658 in retail trade, 1,758 in accommodation and food (workplace blocks summed to tract 06081606300)Census LEHD LODES8 WAC 2022
Upward mobility (Opportunity Atlas, 2010 tract)children of low-income (25th percentile) families reached the 49th income percentile as adults; 1.6% incarcerated at the 2010 count (319 children in the sample); born 1978–83, measured 2014–15Opportunity Insights
Food access (USDA FARA 2019, 2010 tract)not a low-access tract at 1 mile; poverty rate 6.4%; median family income $126,131; 61 SNAP householdsUSDA ERS
SchoolsSan Mateo Union High School District (09-12); 7 public schools within 1 mile: South Hillsborough; Baywood Elementary; Borel Middle; College Park ElementaryNCES EDGE
Elevation46 ft above sea level at the site pointUSGS 3DEP
Storm events in the county, 2016-2025101 county-logged events: 50 flood, 18 debris flow, 15 thunderstorm wind, 9 hail; $10,060 property damage reported; forecast-zone events (most flood, winter and heat) not countedNOAA Storm Events
Homes for sale in ZIP 94401, 2026-09median list price $770,450 (+10.2% on the year); 34 active listings; median 35 days on market; 13% with a price cutRealtor.com Research
Retail trade in the county, 2012 to 20231,827 establishments (-11%); 32,272 jobs (-5%)Census CBP
Housing market in the countytypical home value $1.6M (+4% 1 yr, +8% 5 yr); typical rent $3,993/mo (+11% 1 yr), 2026-09Zillow Research
Traffic on the busiest road within 600 m (2024)34,000 vehicles a day on 82 (principal arterial, 6 lanes); 1,255 trucks; 31 counted segmentsFHWA HPMS

Summary, model-written

Hillsdale Mall (San Mateo, CA) is proposed for redevelopment to housing, office, and retail. The opportunity is flagged as 'already in play' (under construction, approved, or sold to a developer with housing plans), with county population declining 2.7% (2018–23), median rent $2,893, and high housing costs (ZHVI $1.58M, ZORI $3,993). Nearby projects include a proposed 0km adjacent site (2820 South El Camino Real) and approved housing developments within 3.6km. Retail employment declined 5.1% since 2012, while 2024 permits show 521 residential units approved.

Why. Record explicitly lists 'already in play' as a key reason against opportunity status, with contextual data on declining retail, high housing costs, and active nearby development.

Where it stands. Status: proposed. Noted as not a new opportunity due to existing development activity. Context shows strong housing market demand but declining retail.

For a planner

  • County population decline noted
  • Retail employment down 5.1% since 2012
  • Nearby housing projects approved/under construction

For a developer

  • High housing costs (ZHVI $1.58M)
  • Median rent $2,893
  • Adjacent site proposed at 0km (2820 South El Camino Real)

What we do not know yet

  • No approval status confirmed for Hillsdale redevelopment
  • No current construction timeline provided
  • No specific housing mix (e.g., affordable vs. market-rate)

Generated by qwen3-30b-a3b-64k:latest on Dell 5820 RTX 3090 (Ollama, qwen3-30b-a3b) from the fields, parcels, deals and context layers on this page, with no outside knowledge. It is regenerated when the record changes and has not been checked by a person. How it is made.

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Multifamily screen

  • already in play: under construction, approved, or sold to a developer with housing plans
  • county shrank -2.7% 2018–23
  • median rent $2,893
  • housing in the record

Inputs: record fields (size, status) and county Census ACS 2018–2023 figures (growth, rent). How the points work. Not a recommendation.

History and original facts

CountySan Mateo County
Census division9 · Pacific
NotesDraft from cityofsanmateo.org, model-extracted, unreviewed: Hillsdale Mall, an existing retail mall in San Mateo, CA, is proposed to be redeveloped with up to 1,670 residential units and 2,059,000 GSF of new commercial development.

Not yet recorded: acres, GLA, year opened, original developer, what is there now, retrofit year. Know it? Tell us.

Timeline

  1. 2025 Formal Planning Application submitted
  2. 2026 Planning Application deemed complete

Sources

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