San Mateo County property record for 18 W Summit Dr, Emerald Hills, CA 94062
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,360 sqft · built 1948 |
| Lot Size | 0.244 acres (10,618 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $860,000 (Dec 2001) |
| Tax Bill | $16,592 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 057-131-340 |
| Primary APN | 057-131-340 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,360 sqft Living Area |
| Gross Area | 2,930 sqft |
| 1st Floor Area | 810 sqft |
| Basement Area | 570 sqft |
| Family Room | Family Room |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Roof Material | Wood Shingle |
| Lot Area | 10,618 sqft (0.244 acres) |
| Lot Dimensions | 138 ft deep x 85 ft wide |
| View / Lot | Corner |
| Garage Type | Basement |
| Garage Area | 570 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 18 W SUMMIT DR |
|---|---|
| City | EMERALD HILLS |
| State | CA |
| Zip | 94062-3339 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 25 EMERALD LAKE HEIGHTS RSM 26/37 38 |
| Legal Subdivision | EMERALD LAKE |
| Legal Lot Number | 25 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 609700 |
18 W Summit Dr is owner-occupied and held in a trust since January 2010.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 18 W SUMMIT DR, EMERALD HILLS, CA 94062-3339 |
| 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 Sale | Dec 14, 2001 · Amount on File |
| Deed Sale | Dec 14, 2001 · Amount on File |
| Deed Document Number | 2001204412 |
| Last Transfer Date | Jan 29, 2010 |
| Transfer Doc | 0000035272 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 18 W Summit Dr was $16,592 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 | $1,363,282 (+2%) Land $647,932 Building $715,350 | ||
| 2025 | $16,592.00 Homeowner's exemption | $1,336,553 Land $635,228 Building $701,325 | |
| 2023 | $16,066.00 (+4.84%) Homeowner's exemption | $1,284,655 Land $610,562 Building $674,093 | $2,149,830 |
| 2022 | $15,324.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18 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 18 W Summit Dr is low, with less than 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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 414 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks.
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