Redwood City Building Permits & Teardown Predictor
We track every Redwood City 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 Redwood City? 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 Redwood City
Redwood City 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
Redwood City Market Metrics
| Permits Trackedall permits on file | 471 |
|---|---|
| Demolition Permitssince May 18, 2026 | 6 |
| New-Construction Permitssince May 18, 2026 | 2 |
| High-Probability Teardowns | 77 Active |
| Total Declared Permit Valueall permits on file | — |
Redwood City & San Mateo County Building Permits
AddressIntel tracks 471 Redwood City 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 Redwood City 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 Redwood City
| Address | Teardown Score | List Price |
|---|---|---|
| 417 Palomar Dr | 95 | $2,398,000 |
| 1615 Edgewood Rd | 95 | $2,498,000 |
| 624 Sapphire St | 90 | $970,000 |
| 252 Blakewood Way | 90 | $1,899,950 |
| 143 Bonita Ave | 90 | $1,688,000 |
| 346 Cerrito Ave | 85 | $2,698,000 |
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Recent Redwood City Building Permits
The latest Redwood City building permits and demolition filings, drawn from 471 permits we track for the city, pulled from municipal sources and updated regularly.
| Address | Type | Value | Issued |
|---|---|---|---|
| 856 Winslow | CONSTRUCTION PERMITS | — | 2026-08-07 |
| 503 Whipple | CONSTRUCTION PERMITS | — | 2026-08-07 |
| 555 TWIN DOLPHIN DR SUITE 300 | ALTERATIONS_COMMERCIAL | — | 2026-08-07 |
| 558 Marshall | CONSTRUCTION PERMITS | — | 2026-08-07 |
| 871 Willow St (On Bay) | CONSTRUCTION PERMITS | — | 2026-08-07 |
| 34 WATERSIDE CIR | ALTERATIONS_RESIDENTIAL | — | 2026-08-06 |
| 1300 MAIN ST | CONSTRUCTION PERMITS | — | 2026-08-06 |
| 820 VETERANS BLVD | CONSTRUCTION PERMITS | — | 2026-08-06 |
Redwood City Teardown & Permit FAQ
How many teardown opportunities are there in Redwood City?
AddressIntel currently tracks 77 high-probability teardown opportunities in Redwood City, scored by lot value, structure age, and neighborhood comps.
What is the typical developer ROI on a Redwood City teardown?
We do not publish a single Redwood City figure, because there is no honest one: returns swing on land cost, buildable envelope, and comps. Instead, every Redwood City 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 Redwood City building permits?
AddressIntel tracks Redwood City building permits (471 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 Redwood City?
AddressIntel tracks Redwood City building and demolition permits (6 full-structure demolition permits since May 18, 2026), updated regularly from municipal sources.