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Stealpad › San Francisco, CA › Financial District / South Beach › 488 Folsom St #5601
488 Folsom St #5601 — 4 bd condo for sale in Financial District / South Beach, San Francisco
15Overpriced

488 Folsom St #5601

Financial District / South Beach, San Francisco, CA · 94105
$11,950,000 190% above mkt
4 bd · 5.5 ba · 4,170 sqft · $2,866/sf
HOA $3,129/mo · 🏢 fee history ↓ · Floor 56 · 12 days on market · built 2019
⚖️ Adjusted valueOverpricedasking is +190% over fair value
Model fair value · 41 sold comps within ½ mi · ±14%$4,124,838
vs model fair value · size · beds/baths · age · HOA · location+190%
Condition · Avg / verify in person0
Price history · at/near its all-time high0
📐 How this Deal Score was built15Overpriced
Value gap · 190% over fair value — charged up to 40%, past that it reads as a comp artifact−48
HOA burden · $3,129/mo = 0.31%/yr of price vs a 1.29% norm — at or below normal, no charge0
Days on market · 12 days — not long enough to give you leverage0
Raw advantage · the three above, combined−48
Model confidence · moderate — ±14% typical model error, 41 sold comps within half a mile. The less certain the model, the harder the gap is pulled back toward neutral×0.8
Deal Score15/100

Higher is a better buy. 50 is "priced about right for what it is". The last step curves the raw advantage onto 0–100, so points stop being one-for-one at the extremes.

💵What this unit actually costs per month

$80,888/mo all-in
20% down at 7.18% (this week's 30-year average) · mortgage + tax + insurance + HOA
Mortgage principal & interest$64,763
Property tax (1.30% effective)$12,946
Insurance (estimate)$50
HOA dues$3,129
Total monthly$80,888
Rough cash to close$2,688,750

20% of that payment is not the mortgage. The HOA fee alone is $187,740 over five years — money that buys you no equity. A calculator that defaulted the fee to zero would have quoted you $77,759.

Financing type

Not FHA-approved. No 3.5%-down FHA financing on this unit, so the realistic floor is a 5%-down conventional loan ($597,500). Common for small associations and not a defect on its own, but it does remove FHA buyers from your resale pool.

Minimum realistic down payment here: 5% · verify on HUD's lookup

Rate is the Freddie Mac PMMS 30-year average for the week of 2026-11-05 — a national survey figure, not a quote. Tax, insurance and closing costs are estimates; your own Loan Estimate is the real number.

This building's HOA fees

2 recorded points

Reconstructed from 32 units of recorded sales at 488 Folsom St — every recorded sale carries its HOA fee and date. No listing site shows this.

$1,8142021$2,4042026
$2,404/mo · 2026
+33% since 2021

We have a few recorded HOA fees for this building but not yet enough to call a reliable trend, so these are the raw points — no rate implied. Its documents fill in the reserve health and assessment risk.

🏢 Get this building's full reserve & assessment report — free →
✅ Positives
  • Upper floor (fl 56)
  • In-unit W/D
  • Low HOA (0.3%/yr)
  • Newer build (2019)
⚠️ Cons
  • 190% above model fair value
  • HOA $3129/mo
  • Photos look dim — verify light in person
🚩 Red flags
  • Very high HOA $3129/mo (full-service high-rise)

Photos

Price history (this unit)

Only one sale-price event on record ($11,950,000 on Oct 27, 2026).
  • Oct 27, 2026 — Listed $11,950,000

Description

Last Penthouse in The Avery! This half-floor, 3-bedroom plus library, 5.5 bathroom penthouse is ideal for the savvy buyer excited about enjoying the best of San Francisco. Corner great room with fireplace & formal dining. Gourmet open kitchen with island and adjacent family room. Suite of Miele appliances including 6 burner gas range, double oven, 2 dishwashers, Sub-zero refrigerator, and full-height wine refrigerator. Corner primary bedroom suite with 2 expansive walk-closets, windowed spa-like dual primary baths. Guest bedrooms with en suite baths and walk-in closets. Library with en suite bath. Powder room. Laundry room with sink and side-by-side washer/dryer. Service entry. Developed by…

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