Retrofit Atlas

Office parks · Georgia

Brookside Office Park

Imported, unreviewedRedevelopedReinhabitedRetrofit approvedAlpharetta, GA

Opened 1980. Redevelopment · Reinhabitation, approved in 2026.

Status nowRetrofit approvednewtypes-extraction reported
What it becamehousing, mixed, office, retailWikipedia no source
Site size20 acresnewtypes-extraction reported
Last sale$41.0M · 2021public reporting
Retrofit year2026newtypes-extraction reported
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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. documented = a quoted excerpt (click to read it) · reported = a source named, no excerpt yet · no source.

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Site profile11 elements · what this retrofit is built with · tap a chip for the evidence

Finance and pipeline
Retrofit in the pipelineThis site: …approved newtypes-extraction · all sites with this
Sold since 2020This site: 2021 Bridge Investment Group research-deals · all sites with this
Place
3+ other atlas sites within 10 kmThis site: 7 within 10 km computed · all sites with this
30,000+ vehicles a day on an adjacent roadThis site: 46,000 on 120 fhwa-hpms · all sites with this
County permitting 2,000+ apartment units a yearThis site: 8,159 units, Fulton County census-bps · all sites with this
Strategy
RedevelopedThis site: A proposed vision that includes 335 multifamily residences, 70 townhomes and 60,000 square feet of retail and restaurant space. One 130,000-square-foot… record · all sites with this
ReinhabitedThis site: A proposed vision that includes 335 multifamily residences, 70 townhomes and 60,000 square feet of retail and restaurant space. One 130,000-square-foot… record · all sites with this
New use
HousingThis site: A proposed vision that includes 335 multifamily residences, 70 townhomes and 60,000 square feet of retail a newtypes-extraction · all sites with this
Mixed useThis site: …new_use field newtypes-extraction · all sites with this
OfficeThis site: …new_use field newtypes-extraction · all sites with this
Retail (continued)This site: …tifamily residences, 70 townhomes and 60,000 square feet of retail and restaurant space. One 130,000-square-foot building will newtypes-extraction · all sites with this

All elements and lists · Trends

Now

StatusRetrofit approvednewtypes-extraction reported
StrategyRedevelopment · Reinhabitation, approvedWikipedia no source
New useshousing, mixed, office, retailWikipedia no source
What is there nowA proposed vision that includes 335 multifamily residences, 70 townhomes and 60,000 square feet of retail and restaurant space. One 130,000-square-foot building will be retained.newtypes-extraction reported
Retrofit year2026newtypes-extraction reported
RedeveloperPortman Holdingsnewtypes-extraction reported

Planning

Entitlement year2025Wikipedia no source
Planning notesApproved by Alpharetta City Council.Wikipedia no source

Deals and debt

DateEventPricePartiesSource
2021Sold$41.0M closedBridge Investment GroupBisnow

Site context

Housing permits, Fulton County (GA), 20248,159 units in 5+ unit buildings, 481 in 2–4, 2,937 single-family; 2023: 7,096 in 5+Census BPS
Other atlas sites nearby7 within 10 km, 30 within 25 km: North Point Mall (0.0 km); Continuum (0.0 km); Morris Road development (0.0 km); Brookside One and Brookside Two (4.0 km); Roswell Mall (5.9 km)computed
Retail trade in the county, 2025 (BLS QCEW)55,938 jobs in 4,327 establishments; average annual pay $50,638; employment location quotient 0.60; employment -2.8% on the yearBLS QCEW 2025, NAICS 44-45, private
Jobs located in the tract, 2022983 jobs; 67 in retail trade, 183 in accommodation and food (workplace blocks summed to tract 13121011655)Census LEHD LODES8 WAC 2022
Upward mobility (Opportunity Atlas, 2010 tract)children of low-income (25th percentile) families reached the 54th income percentile as adults; -0.1% incarcerated at the 2010 count (123 children in the sample); born 1978–83, measured 2014–15Opportunity Insights
Food access (USDA FARA 2019, 2010 tract)low-access at 1 mile, not low-income; 42% of residents more than 1 mile from a supermarket; poverty rate 2.0%; median family income $165,673; 20 SNAP householdsUSDA ERS
SchoolsFulton County School District (PK-12); 3 public schools within 1 mile: Alpharetta Elementary School; Amana Academy School; Innovation AcademyNCES EDGE
Elevation1,136 ft above sea level at the site pointUSGS 3DEP
Storm events in the county, 2016-2025266 county-logged events: 174 thunderstorm wind, 48 flash flood, 34 hail, 10 tornado; $9,525,000 property damage reported; 2 direct deaths; forecast-zone events (most flood, winter and heat) not countedNOAA Storm Events
Homes for sale in ZIP 30009, 2026-09median list price $885,000 (-7.4% on the year); 174 active listings; median 58 days on market; 15% with a price cutRealtor.com Research
Retail trade in the county, 2012 to 20233,732 establishments (+10%); 55,757 jobs (+14%)Census CBP
Housing market in the countytypical home value $414,221 (-2% 1 yr, +11% 5 yr); typical rent $1,926/mo (+3% 1 yr), 2026-09Zillow Research
Traffic on the busiest road within 600 m (2024)46,000 vehicles a day on 120 (principal arterial, 5 lanes); 1,107 trucks; 40 counted segmentsFHWA HPMS
Site metrics13,300 sq ft GLA per acre; FAR 0.31computed

Summary, model-written

Brookside Office Park (Alpharetta, GA) opened 1980 as 20-acre office park (266k sqft GLA). Approved for mixed-use redevelopment in 2025. Retrofit begins 2026. Developer: Portman Holdings. Retains one 130k sqft building. New use: 335 multifamily residences, 70 townhomes, 60k sqft retail/restaurant space. Status: Approved (verified draft).

Why. Approved by Alpharetta City Council (2025). Located within 10km of 7 active/under-construction developments (e.g., North Point Mall, Continuum). Housing market shows $1,926 median rent (+2.6% YoY). County population grew 4.6% (2018–23).

Where it stands. Retrofit timeline: 2025 approval → 2026 construction start → 2029 completion. 2026 ZHVI: $414k (1.5% YoY decline).

For a planner

  • Nearby developments: 3 approved, 1 under construction within 10km.
  • Retail employment up 14.4% (2012–2023).
  • Traffic: 46k ADT on 5-lane arterial (2024).

For a developer

  • Housing demand supported by $1,926 median rent.
  • Already approved; no further entitlements needed.
  • 335 housing units + retail aligns with regional trend (7 nearby projects).

What we do not know yet

  • No construction cost data.
  • Parcel value/land value not provided.
  • No tenant mix or current occupancy details.
  • Verified status: draft (not final).

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
  • 20 acres
  • county grew 4.6% 2018–23
  • median rent $1,635
  • 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

Now called / also known asBrookside office campus, Brookside office park
Opened1980newtypes-extraction
Acres20.0newtypes-extraction reported
Gross leasable area266,000 sq ftnewtypes-extraction reported
CountyFulton County
Census division5 · South Atlantic
NotesDraft from rebusinessonline.com, model-extracted, unreviewed: Portman acquired the 20-acre, 266,000 sqft Brookside Office Park in Alpharetta, GA, planning a mixed-use redevelopment with 405 housing units and 60,000 sqft of retail/restaurant space, retaining one office building and razing another.

Not yet recorded: original developer. Know it? Tell us.

Timeline

  1. 1980 Original construction of the office park
  2. 1980 Opened
  3. 2000 developed
  4. 2024 tearing down
  5. 2025 Unanimous approval from Alpharetta City Council for mixed-use redevelopment
  6. 2025 Project set to go before planning commission and city council
  7. 2026 Construction expected to begin
  8. 2026 Redevelopment begins
  9. 2026 Redevelopment could kick off
  10. 2026 Retrofit: redevelop, reinhabit
  11. 2029 Completion anticipated

Sources

  • Portman Acquires Metro Atlanta Office Park, Plans Mixed-Use ...
    5 quoted sentences
    Brookside Office Park
    Brookside Office Park consists of two buildings on a 20-acre site that were originally constructed in the 1980s.
    Portman received unanimous approval from the Alpharetta City Council in April to transform the site into a mixed-use destination.
    Construction is expected to begin in 2026
  • Brookside Office Park to Transform into Mixed-Use Hub in 2026
    2 quoted sentences
    Brookside Office Park
    Beginning in 2026, Atlanta-based developer Portman Holdings will redevelop the 19-acre site into a premier mixed-use destination
  • Portman Looking to Redo Atlanta-Area Office Park
    3 quoted sentences
    Brookside office campus
    Portman’s project is set to go before the planning commission and city council in April 2025.
    If it gets rezoning approval, the redevelopment could kick off in summer 2026.
  • Office Demolitions Are On The Rise, Even Where It Was Recently ...
    3 quoted sentences
    Brookside office park
    Bridge Investment Group paid $41M in 2021 for the Brookside office park in Alpharetta, a two-building, 266K SF property in Alpharetta that was developed in 2000.
    I built that office building in 2000. It delivered in 2000. We’re tearing it down in 2024.

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