1. States
  2. /California
  3. /San Mateo County
  4. /South San Francisco
CSASan Jose-San Francisco-OaklandMSASan Francisco-Oakland-Fremont#22/65 Population

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Showing latest year with year-over-year changes. Full permit history available with a paid plan. View plans →

Year

Insightsi

Construction activity in 2024 was down 39.4% from the prior year, with 57 housing units permitted.

  • •44% fewer units than the average San Mateo County town (101), suggesting slower-than-typical growth.
  • •Average unit valued at $154K — 40% below the San Mateo County average of $255K, indicating more affordable construction.
  • •All permits were for single-family homes — no multi-family construction.

Total Unitsi

57 ▼ 39.4%

2024

Total Valuei

$8.8M ▼ 35.9%

2024

Single-Familyi

100%

57 units

Multi-Familyi

0%

0 units

South San Francisco vs. Avg. San Mateo Co. Town (2024)i

South San FranciscoAvg.Diff
Total Unitsi57101-44%
Total Valuei$8.8M$25.8M-66%
Single-Familyi5750+14%
Multi-Familyi051-100%
Buildingsi5753+8%
Value / Uniti$154K$255K-40%

Housing Units Permittedi

Solid line is South San Francisco; dashed line is San Mateo County average.

Construction Valuei

Solid line is South San Francisco; dashed line is San Mateo County average.

Census BPS