Hillsborough, CA Building Permits & Teardown Predictor
We track every Hillsborough 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 Hillsborough? 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 Hillsborough
Hillsborough 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
Hillsborough Market Metrics
| Permits Trackedall permits on file | 6,548 |
|---|---|
| Demolition Permitssince January 1, 2023 | 57 |
| New-Construction Permitssince January 1, 2023 | 32 |
| High-Probability Teardowns | 15 Active |
| Total Declared Permit Valuesince January 1, 2023 | $494,681,838 |
Hillsborough & San Mateo County Building Permits
AddressIntel tracks 6,548 Hillsborough 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 Hillsborough 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 Hillsborough
| Address | Teardown Score | List Price |
|---|---|---|
| 2155 Geri Ln | 85 | $8,999,000 |
| 1600 Marlborough Rd | 85 | $14,980,000 |
| 453 Remillard Dr | 75 | $3,690,000 |
| 1365 Lakeview Dr | 75 | $4,500,000 |
| 150 New Place Rd | 70 | $48,888,000 |
| 280 Uplands Dr | 65 | $11,475,000 |
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Recent Hillsborough Building Permits
The latest Hillsborough building permits and demolition filings, drawn from 6,548 permits we track for the city, pulled from municipal sources and updated regularly.
| Address | Type | Value | Issued |
|---|---|---|---|
| 745 ENDFIELD WAY | HVAC - AC CONDENSER | — | 2026-10-21 |
| 901 HILLSBOROUGH BLVD | DEMOLITION - ACCESSORY STRUCTURE | — | 2026-10-21 |
| 2505 SKYFARM DR | ELECTRICAL WIRING - REPAIRS | — | 2026-10-21 |
| 1407 CARLTON RD | ELECTRICAL SERVICE - PANEL IN KIND | — | 2026-10-21 |
| 140 ROCKRIDGE RD | UPPER SEWER LATERAL - SWR AND WTR TEST W REPLACEMENT | — | 2026-10-21 |
| 140 ROCKRIDGE RD | SEWER VIDEO REVIEW FOR PROPERT... | — | 2026-10-21 |
| 671 BREWER DR | SOLAR AND STORAGE - ESS ONLY | $39,738 | 2026-10-21 |
| 3220 RALSTON AVE | LANDSCAPE - PLANTINGS W SITE IMPROVEMENTS | $180,000 | 2026-10-21 |
Hillsborough Teardown & Permit FAQ
How many teardown opportunities are there in Hillsborough?
AddressIntel currently tracks 15 high-probability teardown opportunities in Hillsborough, scored by lot value, structure age, and neighborhood comps.
What is the typical developer ROI on a Hillsborough teardown?
We do not publish a single Hillsborough figure, because there is no honest one: returns swing on land cost, buildable envelope, and comps. Instead, every Hillsborough 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 Hillsborough building permits?
AddressIntel tracks Hillsborough building permits (6,548 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 Hillsborough?
AddressIntel tracks Hillsborough building and demolition permits (57 full-structure demolition permits since January 1, 2023), updated regularly from municipal sources.