Atherton, CA Building Permits & Teardown Predictor
We track every Atherton 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: What is the teardown ROI for a home in Atherton? · Who tracks demolition & building permits in Silicon Valley? · Can you SB 9 lot-split in Atherton? Run the screener · How to estimate developer ROI on a teardown rebuild
The free weekly Peninsula Plays brief
One email a week on Peninsula permits, teardowns and sales: what sold, what is sitting, and which houses just pulled the permit that says they are about to change. Built from permits, parcels and recorded sales, no spam.
Why Developers Target Atherton
Atherton 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
Atherton Market Metrics
| Permits Trackedall permits on file | 5,655 |
|---|---|
| Demolition Permitssince January 1, 2023 | 78 |
| New-Construction Permitssince January 1, 2023 | 96 |
| High-Probability Teardowns | 15 Active |
| Total Declared Permit Valuesince January 1, 2023 | $703,562,758 |
Atherton & San Mateo County Building Permits
AddressIntel tracks 5,655 Atherton 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 Atherton 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 Atherton
| Address | Teardown Score | List Price |
|---|---|---|
| 27 Catalpa Dr | 95 | $8,950,000 |
| 99 Tallwood Ct | 92 | $23,000,000 |
| 216 Valparaiso Ave | 88 | $9,950,000 |
| 1 Edge Rd | 80 | $10,500,000 |
| 298 Alameda De Las Pulgas | 75 | $4,588,000 |
| 28 San Benito Ave | 65 | $7,950,000 |
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Recent Atherton Building Permits
The latest Atherton building permits and demolition filings, drawn from 5,655 permits we track for the city, pulled from municipal sources and updated regularly.
| Address | Type | Value | Issued |
|---|---|---|---|
| 160 AUSTIN AVE | PW-UTL CON DISCON IN | — | 2026-10-24 |
| 23 OAKWOOD BLVD | HERITAGE TREE PERMIT - TREE REMOVAL | — | 2026-10-21 |
| 123 HAWTHORNE DR | ADU COMPLIES - OTHER | — | 2026-10-21 |
| 64 FAIRVIEW AVE | NEW ACC STR FLAT FEE - SWIM POOL > 1000SF | — | 2026-10-21 |
| 123 HAWTHORNE DR | NEW RES - W/BASEMENT | — | 2026-10-21 |
| 148 AUSTIN AVE | PW-LANDSCAPING STD | — | 2026-10-20 |
| 47 WALNUT AVE | LANDSCAPE WTR EFFICIENT | — | 2026-10-20 |
| 175 BRITTON AVE | PW-UTL CON DISCON IN | — | 2026-10-20 |
Atherton Teardown & Permit FAQ
How many teardown opportunities are there in Atherton?
AddressIntel currently tracks 15 high-probability teardown opportunities in Atherton, scored by lot value, structure age, and neighborhood comps.
What is the typical developer ROI on a Atherton teardown?
We do not publish a single Atherton figure, because there is no honest one: returns swing on land cost, buildable envelope, and comps. Instead, every Atherton 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 Atherton building permits?
AddressIntel tracks Atherton building permits (5,655 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 Atherton?
AddressIntel tracks Atherton building and demolition permits (78 full-structure demolition permits since January 1, 2023), updated regularly from municipal sources.