San Carlos Building Permits & Teardown Predictor
We track every San Carlos building permit, demolition filing, zoning change, and off-market transaction in one place, giving spec builders and developers a single feed of where the market is moving. Each permit is scored against lot value, structure age, and neighborhood comps to surface high-ROI teardown and new-build opportunities before they hit the MLS.
Related guides: Who tracks demolition & building permits in Silicon Valley? · Can you SB 9 lot-split in San Carlos? Run the screener · How to estimate developer ROI on a teardown rebuild
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The week's best teardown and spec-build plays across the Peninsula, with the developer ROI worked out from permits, parcels, and sold comps. One email a week, no spam.
Why Developers Target San Carlos
San Carlos has seen a surge in “mansionization”, older, smaller homes on large lots demolished to build luxury spec homes. AddressIntel's algorithm identifies these aging properties from Floor Area Ratio (FAR), recent neighborhood comps, and permit velocity.
- Automated Demolition Cost Estimates
- New-Build Proforma ROI Generation
- Real-time Permit Webhooks
San Carlos Market Metrics
| Permits Trackedall permits on file | 62 |
|---|---|
| Demolition Permitssince May 18, 2026 | 0 |
| New-Construction Permitssince May 18, 2026 | 2 |
| High-Probability Teardowns | 67 Active |
| Total Declared Permit Valueall permits on file | $7,862,267 |
San Carlos & San Mateo County Building Permits
AddressIntel tracks 62 San Carlos building permits as part of our San Mateo County building permits dataset, pulled from municipal sources and updated regularly. Whether you need to look up a single San Carlos building permit for one address or scan San Mateo County building permits for teardown and new-construction activity, every filing is scored for developer ROI and teardown potential.
Working a teardown? See our guide to the demolition permit process, or learn who tracks Silicon Valley building permits and how San Mateo County permit data reaches developers.
Top Teardown Opportunities in San Carlos
| Address | Teardown Score | List Price |
|---|---|---|
| 98 | $550,000 | |
| 2033 San Carlos Ave | 95 | $3,988,000 |
| 0 Devonshire Blvd | 95 | $295,000 |
| 886 Heather Dr | 88 | $2,698,000 |
| 230 Park Ave | 85 | $1,800,000 |
| 1008 Porto Marino Dr | 85 | $3,690,000 |
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Recent San Carlos Building Permits
The latest San Carlos building permits and demolition filings, drawn from 62 permits we track for the city, pulled from municipal sources and updated regularly.
| Address | Type | Value | Issued |
|---|---|---|---|
| 878 HEATHER DR SAN CARLOS CA 94070 | Building Residential- Addition | — | 2026-08-07 |
| 143 RUBY AVE SAN CARLOS CA 94070 | Building Residential- Addition | — | 2026-08-07 |
| 191 LYNDHURST AVENUE SAN CARLOS CA 94070 | Building Residential- Addition | — | 2026-08-06 |
| 2730 SAN MIGUEL WAY SAN CARLOS CA 94070 | Building Residential-Interior Remodel | — | 2026-08-05 |
| 112 WILDWOOD AVE SAN CARLOS CA 94070 | Building Residential-Bathroom Remodel | — | 2026-08-03 |
| 819 RUTHERDALE AVE SAN CARLOS CA 94070 | Building Residential-Interior Remodel | — | 2026-07-31 |
| 2025 BELMONT AVE SAN CARLOS CA 94070 | Building Residential-Bathroom Remodel | — | 2026-07-30 |
| 128 HILLCREST RD SAN CARLOS CA 94070 | Building Residential-Interior Remodel | — | 2026-07-30 |
San Carlos Teardown & Permit FAQ
How many teardown opportunities are there in San Carlos?
AddressIntel currently tracks 67 high-probability teardown opportunities in San Carlos, scored by lot value, structure age, and neighborhood comps.
What is the typical developer ROI on a San Carlos teardown?
We do not publish a single San Carlos figure, because there is no honest one: returns swing on land cost, buildable envelope, and comps. Instead, every San Carlos property page carries an interactive build-to-zoning proforma — purchase, demolition, construction at current costs, cost of sale against size-matched comps — so each lot is underwritten on its own numbers.
Where can I find recent San Carlos building permits?
AddressIntel tracks San Carlos building permits (62 permits currently on file), including new construction, additions, and demolition filings, pulled from municipal sources and updated regularly. See the recent permits table above for the latest activity.
How do I find demolition permits in San Carlos?
AddressIntel tracks San Carlos building and demolition permits, updated regularly from municipal sources.