San Mateo County property record for 21 W Summit Dr, Emerald Hills, CA 94062
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,055 sqft · built 2009 |
| Lot Size | 0.146 acres (6,354 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $11,855 (2025) |
| Deeds & Mortgages | Feb 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-123-050 |
| Primary APN | 057-123-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,055 sqft Living Area |
| 1st Floor Area | 1,226 sqft |
| 2nd Floor Area | 829 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 6,354 sqft (0.146 acres) |
| Garage Area | 280 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 21 W SUMMIT DR |
|---|---|
| City | EMERALD HILLS |
| State | CA |
| Zip | 94062-3340 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 70 EMERALD LAKE HEIGHTS RSM 26/37 38 |
| Legal Subdivision | EMERALD LAKE |
| Legal Lot Number | 70 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 609700 |
21 W Summit Dr is owner-occupied and held in a trust since April 2015.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 21 W SUMMIT DR, EMERALD HILLS, CA 94062-3340 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 29, 2015 |
| Transfer Doc | 0000063609 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 21 W SUMMIT DR, EMERALD HILLS, CA 94062-3340 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | ORANGE COAST TITLE CO |
| Name | Verified Name |
|---|
| Document Number | 0000007598 |
|---|---|
| Date | Feb 4, 2019 |
| Instrument | 2019-007598 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 25, 2049 |
The 2025 property tax bill for 21 W Summit Dr was $11,855 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Elementary School District | Redwood City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $929,669 (+2%) Land $271,355 Building $658,314 | ||
| 2025 | $11,855.00 Homeowner's exemption | $911,441 Land $266,035 Building $645,406 | |
| 2023 | $11,537.00 (+4.8%) Homeowner's exemption | $876,050 Land $255,705 Building $620,345 | $2,739,330 |
| 2022 | $11,009.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 W Summit Dr in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 8 (1982–2010) |
| Claims Outside the SFHA | 4 of 8 |
| Most Recent Claim | Jan 2010 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 21 W Summit Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 97.8% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF REDWOOD CITY serves 90,043 people · EPA ID CA4110022 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 235 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks.
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