Retrofit Atlas

Malls · Pennsylvania

Century III Mall

Imported, unreviewedRedevelopedDemolishedWest Mifflin, PA

Opened 1979. Closed 2024. Redeveloped.

Status nowDemolishedextracted, unreviewed
What it becameretail, hotel, office, housing, entertainmentextracted, unreviewed
Site size410 acresextracted, unreviewed
Retrofit yearNot yet retrofittedstatus
Walkability12.5 of 20 · 15-minute 4 of 6EPA, OpenStreetMap
Rail within 800 mNoOpenStreetMap, HUD
Ask who owns this Download dossier (PDF) · early access Download record (JSON) API Share LinkedIn Correct this record

Solid = from the authors' map · outlined = public source · dashed = model-written, not yet reviewed by a person. Tap any value's source label to see where it came from.

Century III Mall
Century III Mall. Photo: MikeKalasnik, CC BY-SA 2.0, via Wikimedia Commons.

Site profile19 elements · what this retrofit is built with · tap a chip for the evidence

Former anchors
JCPenneyThis site: JCPenney wikipedia · all sites with this
Kaufmann'sThis site: Kaufmann's wikipedia · all sites with this
Montgomery WardThis site: Montgomery Ward wikipedia · all sites with this
SearsThis site: Sears wikipedia · all sites with this
Finance and pipeline
High attention (20k+ Wikipedia views a year)This site: 30,789 wikimedia · all sites with this
On FacebookThis site: …https://www.facebook.com/1483538865003432 overture · all sites with this
Recorded loanThis site: 78000000.0 research-deals · all sites with this
Ownership
Single-purpose entityThis site: Moonbeam Capital Investments LLC county-parcels · all sites with this
Place
County lost 10%+ of retail establishments since 2012This site: -11% census-cbp · all sites with this
Grocery within 800 mThis site: 4 stores openstreetmap · all sites with this
Tract income up 60%+ since 2013This site: +69% census-acs · all sites with this
Walkable block group (EPA ≥ 12)This site: …index 12.5 epa-walkability · all sites with this
Scale
60+ acre siteThis site: 410 acres extraction · all sites with this
Strategy
RedevelopedThis site: extraction · all sites with this
New use
Entertainment and sportsThis site: The plan called for incorporating retail, dining and entertainment attractions as well as a hotel, office space and residentia extraction · all sites with this
HotelThis site: …g retail, dining and entertainment attractions as well as a hotel, office space and residential units. extraction · all sites with this
HousingThis site: …ertainment attractions as well as a hotel, office space and residential units. extraction · all sites with this
OfficeThis site: …l, dining and entertainment attractions as well as a hotel, office space and residential units. extraction · all sites with this
Retail (continued)This site: The plan called for incorporating retail, dining and entertainment attractions as well as a hotel, o extraction · all sites with this

All elements and lists · Trends

Now

StatusDemolishedextracted, unreviewed
StrategyRedevelopedextracted, unreviewed
New usesretail, hotel, office, housing, entertainmentextracted, unreviewed

Planning

Planning notesThe plan called for incorporating retail, dining and entertainment attractions as well as a hotel, office space and residential units.extracted, unreviewed

Deals and debt

DateEventPricePartiesSource
2013Sold—Moonbeam Capital Investments LLCWikipedia
2011Loan— ← Simon Property Group · loan $78.0MWikipedia

Securitised debt and public filers

Filings (2001 to date) that name “Century III Mall” and “West Mifflin” (96 hits, first 96 sampled, 9 other filers such as tenants left out). A strong match to a commercial-mortgage trust means the mall very likely backed, or backs, a securitised loan; several trusts usually means one loan split into pari-passu notes. Earliest trust filing in the sample 2002-11-18 (a sample date, not the issuance date); Whether the loan is still in the pool, in special servicing or repaid is in the trust's monthly distribution reports, which are not searchable here. Text matches, not a title search. Open the search · all trusts.

KindFilerFilingsDatesForms
CMBS trust (strong)JP MORGAN CHASE COMMERCIAL MORTGAGE SECURITIES CORP12002-11-18 to 2002-11-188-K 1
Public owner (strong)SIMON PROPERTY GROUP INC /DE/ (SPG, SPG-PJ)602002-05-17 to 2011-07-268-K 39, 10-K 18, 10-K/A 2, 8-K/A 1
Public owner (strong)SIMON PROPERTY GROUP L P /DE/202003-03-31 to 2011-03-1110-K 18, 10-K/A 2

As reported by the owner

Property tables from the owner's annual report (Form 10-K, Item 2) on EDGAR, one row per filing year. GLA, occupancy and anchors are the filer's own figures at that year end; “leased” counts signed leases, “occupied” counts open stores; ownership is the filer's share. Matched by name and place, unreviewed; the verbatim table row is in sec_facts.csv.

Year endFilerName in filingGLA sq ftOccupancyYearsShareSales psfAnchors listed
2009Simon Property Group 10-K, 2010-02-25Century III Mall West Mifflin, PA
match: exact		1,225,53876.1% occupiedbuilt 1979100.0%
Fee		Macy's, JCPenney, Sears, Dick's Sporting Goods, Macy's Jr.,

Site context

FEMA flood zoneX · AREA OF MINIMAL FLOOD HAZARDFEMA NFHL
EPA-regulated facilities within 500 m3: RAISING CANE'S #C10419; RITE AID NO 10948; VALVOLINE INSTANT OIL CHANGEEPA FRS
Census tract 420034886004,929 people, 1,010 per sq mi; median household income $92,944; 17% renters; 7.2% vacant units; 4.6% commute by transitACS 2023 5-year
Walkability (EPA, block group)index 12.5 of 20; 65 intersections per sq mi; nearest transit stop 754 m; land-use mix 0.7; 61,973 jobs within 45 min by car, 52,622 by transit; 3% of households without a carEPA Smart Location
Within a 10–15 minute walk (800 m)4 of 6 daily needs: 4 grocers, 2 schools, 0 parks or playgrounds, 4 health, 0 civic, 17 food and drink; 0 cycleway segments, 0 sidewalk-tagged segmentsOpenStreetMap
Opportunity ZonenoHUD
Housing permits, Allegheny County (PA), 20241,603 units in 5+ unit buildings, 40 in 2–4, 1,356 single-family; 2023: 2,605 in 5+Census BPS
Social vulnerability (CDC SVI 2022, tract)overall percentile 0.45; socioeconomic 0.39; housing and transport 0.45; 16% below 150% of poverty; 7% of households with no vehicleCDC/ATSDR
Other atlas sites nearby1 within 10 km, 8 within 25 km: South Hills Village (9.4 km)computed
Overture Mapsplace Century III Mall - Unofficial (shopping_mall, confidence 0.69, from Overture, Overture-signals, meta)Overture (CDLA-Permissive 2.0)
Website and socialno website listed · social: facebookOverture / Internet Archive
Attention: Wikipedia page views504,245 since 2015; 30,789 in the last 12 months (-38% vs the prior 12); peak 2021-11 with 11,415Wikimedia
Tract change 2013–2023population +0% (4,911 → 4,929); median income +69% ($55,030 → $92,944); renters 19% → 17%; median home value +55% ($96,400 → $149,000)Census ACS 5-year
Natural hazard risk (FEMA National Risk Index, tract)relatively low overall (score 26.9); expected annual loss $1.1M; community resilience very highFEMA NRI
Tax-credit housing within 1 kmnoneHUD LIHTC
Retail trade in the county, 2012 to 20233,971 establishments (-11%); 68,050 jobs (-8%)Census CBP
Housing market in the countytypical home value $236,739 (-0% 1 yr, +13% 5 yr); typical rent $1,504/mo (+3% 1 yr), 2026-09Zillow Research
House price index, tract, 2025395 (2000 = 100); -1.2% 1 yr, +40% 5 yr, +89% 10 yrFHFA
Traffic on the busiest road within 600 m (2024)25,328 vehicles a day on CLAIRTON BL (principal arterial, 4 lanes); 1,037 trucks; 27 counted segmentsFHWA HPMS

Summary, model-written

Century III Mall opened in October 1979 and operated as a major regional mall with anchors including Kaufmann's, Gimbels, JCPenney, Sears, and Montgomery Ward. After JCPenney closed in 2020 as the last tenant and following a 2011 loan default, the mall ceased operations and demolition began in March 2024, completing in April 2026. The site is now demolished and earmarked for a mixed‑use redevelopment per the owner's strategy.

Why. The record shows anchor tenant loss (JCPenney’s 2020 closure as the last store) and a 2011 loan default that transferred ownership to lenders, which likely contributed to the mall’s decline and eventual demolition. No explicit competition or broader market causes are stated in the record.

Where it stands. The mall is currently demolished, with control held by Moonbeam Capital Investments LLC, which acquired the property in 2013 and remains the listed owner.

For a planner

  • The redevelopment strategy calls for mixed‑use retail, hotel, office, housing, and entertainment, mirroring recent suburban mall‑to‑mixed‑use conversions.
  • Planning notes indicate intent to incorporate dining, entertainment, hotel, office, and residential units, suggesting a comprehensive land‑use plan.
  • Open questions include the status of zoning approvals, environmental remediation of the former slag dump, and financing mechanisms for the proposed mix.

For a developer

  • Site totals 410 acres, offering substantial scale for phased development.
  • Control lies with Moonbeam Capital Investments LLC, the sole owner since 2013, simplifying land assembly.
  • Entitlement stage is unclear; the record notes a redevelopment strategy and planning notes but does not confirm approved permits or zoning.
  • Constraints include the site’s history as a slag dump, implying potential soil contamination and remediation needs.
  • Market signals highlight housing as an opportunity (opp_reasons) and an overall opportunity score of 65, suggesting moderate developer interest.

What we do not know yet

  • Conflicting closure dates: year_closed field lists 2024 while narrative_excerpt notes closure in February 2019.
  • Exact current ownership after demolition is not explicitly confirmed beyond the 2013 purchase.
  • Environmental condition of the former slag dump and any remediation requirements are not detailed in the record.
  • Specific zoning, entitlement status, and approved site plan for the mixed‑use redevelopment are missing.
  • Financial details for the proposed redevelopment (e.g., funding sources, projected costs) are absent.
  • The verified status is "draft", indicating that some fields may be model‑extracted and unreviewed.

Generated by nvidia/nemotron-3-super-120b-a12b on NVIDIA API via Hermes CT 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.

Similar sites

  • Highlands Mall, Harrison Township, PA · Malls · opened 1977; same strategy: redevelop; also in PA
  • Lakeforest Mall, Gaithersburg, MD · Malls · opened 1978; closed 2023; same strategy: redevelop
  • Cache Valley Mall, Logan, UT · Malls · opened 1976; closed 2024; same strategy: redevelop
  • Chesterfield Mall, Chesterfield, MO · Malls · opened 1976; closed 2024; same strategy: redevelop

Elsewhere on the web

Pages with photos

Search images: Google · Bing · Commons · references: ULI case studies · Google Scholar

Multifamily screen

  • closed or demolished site (sourced)
  • 410 acres
  • 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

Opened1979Wikidata
Closed2024Wikidata
Acres410extracted, unreviewed
Original developerEdward J. DeBartolo Corporation and United States Steel Corporationextracted, unreviewed
AnchorsJCPenney, Sears, Montgomery Ward, Gimbels, Kaufmann's
CountyAllegheny County
Census division2 · Mid-Atlantic
NotesWikipedia categories: Demolished shopping malls in the United States

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

Background

Century III Mall was a large enclosed shopping mall located along Route 51 in West Mifflin, Pennsylvania, about 10 miles southeast of downtown Pittsburgh. It operated from October 1979 until its closure in February 2019. Demolition began on March 26, 2024, and was completed on April 30, 2026. Planned in 1976, the mall was built on a former slag dump. Anchor stores included Kaufmann's, Gimbels, JCPenney, Sears, and Montgomery Ward.

Excerpt from Wikipedia (authors and history), CC BY-SA 4.0. May be older than the record above.

Timeline

  1. 1976 Proposed $100 million, 1.6 million sq ft shopping center
  2. 1979 Opened (Wikidata)
  3. 1979 First phase of 75 stores dedicated
  4. 1980 Phase two with Montgomery Ward and 46 stores debuted
  5. 1996 Merger with Simon Property Group; Simon DeBartolo Group takes ownership
  6. 2011 Simon Property Group defaults on $78 million loan; ownership transferred to lenders
  7. 2013 Moonbeam Capital Investments LLC purchases the mall
  8. 2020 JCPenney closes as last tenant
  9. 2024 Closed (Wikidata)
  10. 2024 Demolition begins
  11. 2026 Demolition completed

Sources

  • Wikipedia: Century III Mall · supports: acres, original developer, status, strategy
    13 quoted sentences
    Locally known as Brown's Dump, the property encompassed 410 acres and overshadowed the landscape.
    The mall was a joint-venture between the Edward J. DeBartolo Corporation and United States Steel Corporation.
    Demolition was completed on April 30, 2026.
    In place, a mixed-use development was planned for the site. The plan called for incorporating retail, dining and entertainment attractions as well as a hotel, office space and residential units.

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