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Stealpad › San Francisco, CA › ZIP 94109 › 631 Ofarrell St #402
631 Ofarrell St #402 — 1 bd condo for sale in ZIP 94109, San Francisco
79Great deal

631 Ofarrell St #402

ZIP 94109, San Francisco, CA · 94109
$525,000 43% below mkt
1 bd · 1 ba · 945 sqft · $556/sf
HOA $1,255/mo · 🏢 fee history ↓ · Floor 4 · 38 days on market · built 1930
💎 Hidden gem⚠️ HOA trap
⚖️ Adjusted valueUndervaluedasking is 43% under fair value
Model fair value · 39 sold comps · ±14%$870,539
vs model fair value · size · beds/baths · age · HOA · location−40%
Condition · Avg / verify in person0
Price history · ≈25% below its peak−3%
📐 How this Deal Score was built79Great deal
Value gap · 43% under fair value — credited up to 40%, past that it reads as a comp artifact+48
HOA burden · $1,255/mo = 2.87%/yr of price vs a 1.33% norm−12.3
Days on market · 38 days — not long enough to give you leverage0
Raw advantage · the three above, combined+35.7
Model confidence · moderate — ±14% typical model error across 39 sold comps. The less certain the model, the harder the gap is pulled back toward neutral×0.8
Deal Score79/100

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

$4,782/mo all-in
20% down at 7.4% (this week's 30-year average) · mortgage + tax + insurance + HOA
Mortgage principal & interest$2,908
Property tax (1.30% effective)$569
Insurance (estimate)$50
HOA dues$1,255
Total monthly$4,782
Rough cash to close$118,125

39% of that payment is not the mortgage. The HOA fee alone is $75,300 over five years — money that buys you no equity. A calculator that defaulted the fee to zero would have quoted you $3,527.

Financing type

Not FHA-approved. No 3.5%-down FHA financing on this unit, so the realistic floor is a 5%-down conventional loan ($26,250). 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 2026-10-08 — 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

✅ Fairly steady · +5%/yr

Reconstructed from 31 units of recorded sales at 631 Ofarrell St — every recorded sale carries its HOA fee and date. No listing site shows this.

$6722022$7042023$8112024$8402025$8172026
$817/mo · 2026
+22% since 2022

These dues have held relatively steady (about +5%/yr over 4 years across 31 units) — a good sign. Only the reserve study confirms the building is keeping up with its big-ticket repairs.

🏢 Get this building's full reserve & assessment report — free →
✅ Positives
  • Best $/sf of 53 tracked in Sf District 8
  • 40% below model fair value
  • 25% below its 2015 peak
  • Upper floor (fl 4)
⚠️ Cons
  • HOA $1255/mo
  • Older building (1930)
🚩 Red flags
  • Very high HOA $1255/mo (full-service high-rise)
  • Listed BELOW its 2015 sale ($700k) → value eroding

Photos

Price history (this unit)

Trough $139,000 May 22, 1998Now $525,000Peak $700,000 Oct 16, 2015
Current list price is 25% below its peak · +278% above its trough.
  • Sep 3, 2026 — Listed $525,000
  • Oct 16, 2015 — Sold (MLS) $700,000
  • Oct 16, 2015 — Sold (Public Records) $700,000
  • Sep 10, 2015 — Listed $689,000
  • Jun 29, 2007 — Sold (MLS) $490,000
  • Jun 29, 2007 — Sold (Public Records) $490,000

Description

Spacious and thoughtfully designed, this 945 sq. ft. one-bedroom residence at The Hamilton blends classic Art Deco character with stylish modern updates. The generous living space is filled with natural light and complemented by a separate dining area and updated kitchen. A versatile bonus room with a Murphy bed offers the flexibility of a home office or guest space. Ideally situated near Downtown, the home also offers convenient access to shopping, dining, entertainment, and public transportation.

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