City of San Mateo Building Permits & Teardown Predictor
We track every San Mateo 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 Mateo? 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 Mateo
San Mateo 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 Mateo Market Metrics
| Permits Trackedall permits on file | 456 |
|---|---|
| Demolition Permitssince January 1, 2023 | 0 |
| New-Construction Permitssince January 1, 2023 | 21 |
| High-Probability Teardowns | 76 Active |
| Total Declared Permit Valueall permits on file | $84,404,738 |
San Mateo & San Mateo County Building Permits
AddressIntel tracks 456 San Mateo 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 Mateo 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 Mateo
| Address | Teardown Score | List Price |
|---|---|---|
| 65 Mountain View Pl | 95 | $2,988,000 |
| 1286 Parrott Dr | 95 | $3,199,500 |
| 3801 Orinda Dr | 80 | $1,498,000 |
| 2641 Holland St | 78 | $1,295,000 |
| 621 E 16th Ave | 75 | $1,728,000 |
| 1510 Jasmine St | 72 | $1,880,000 |
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Recent San Mateo Building Permits
The latest San Mateo building permits and demolition filings, drawn from 456 permits we track for the city, pulled from municipal sources and updated regularly.
| Address | Type | Value | Issued |
|---|---|---|---|
| 2012 TIMBERLANE WAY SAN MATEO CA 94402-3937 | Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) | $40,000 | 2026-09-10 |
| 229 ARAGON BLVD SAN MATEO 94402-2317 CA | Single Family (Alteration/Repair) - Alter | $41,261 | 2026-09-10 |
| 1633 ROBERTA DR SAN MATEO 94403-1026 CA | Single Family (Alteration/Repair) - Alter | $15,000 | 2026-09-10 |
| 50 MOUNDS RD Unit: 507 SAN MATEO 94402-1260 CA | Single Family (Alteration/Repair) - Alter | $60,000 | 2026-09-10 |
| 328 SYLVAN AVE SAN MATEO 94403-3332 CA | Single Family (Alteration/Repair) - Alter | $119,413 | 2026-09-10 |
| 715 HURLINGHAM AVE SAN MATEO 94402-1029 CA | Single Family (Alteration/Repair) - Alter | $15,000 | 2026-09-09 |
| 149 30TH AVE SAN MATEO 94403-2712 CA | Single Family (Alteration/Repair) - Kitchen & Bath Remodel (Flat) | $20,000 | 2026-09-09 |
| 14 MURRAY CT SAN MATEO 94403-4379 CA | Single Family (Addition) - Add/Alter | $511,626 | 2026-09-09 |
San Mateo Teardown & Permit FAQ
How many teardown opportunities are there in San Mateo?
AddressIntel currently tracks 76 high-probability teardown opportunities in San Mateo, scored by lot value, structure age, and neighborhood comps.
What is the typical developer ROI on a San Mateo teardown?
We do not publish a single San Mateo figure, because there is no honest one: returns swing on land cost, buildable envelope, and comps. Instead, every San Mateo 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 Mateo building permits?
AddressIntel tracks San Mateo building permits (456 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 Mateo?
AddressIntel tracks San Mateo building and demolition permits, updated regularly from municipal sources.