San Mateo County property record for 251 Ruby Ave, San Carlos, CA 94070 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1950 |
| Square Footage | 1,440 sqft Living Area |
| Lot Size | 4,400 sqft (0.101 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $725,000 (2004) |
| Tax Bill | $13,561.00 (2025) |
| Primary APN | 051-232-090 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,440 sqft Living Area |
| 1st Floor | 1,370 sqft 1st Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 4,400 sqft (0.101 acres) |
| Depth X Width | 110 ft x 40 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Area | 380 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 251 RUBY AVE |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-4672 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SELY 20 FT OF LOT 8 BLOCK 10 & NWLY 20 FT OF LOT 9 BLOCK 10 WHITE OAKS TRACT 2 |
| Legal Subdivision | WHITE OAKS TRACT 2 |
| Legal Tract | 2 |
| Legal Block | 10 |
| Legal Lot Number | 8,9 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 2 |
| Census Block | 2017 |
| Census Tract | 609300 |
Source: San Mateo County records · APN 051-232-090
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 251 RUBY AVE, SAN CARLOS, CA 94070-4672 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Oct 20, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PRIMELENDING |
| Jan 19, 2018 | Deed of Trust, Mortgage PRIME LNDG |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 09, 2004 · Amount on Record |
| Deed Sale | Apr 09, 2004 · Amount on Record |
| Deed Doc Number | 200467060 |
| Last Transfer Date | Jan 03, 2006 |
| Transfer Doc | 0000041796 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 251 RUBY AVE, SAN CARLOS, CA 94070-4672 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 251 RUBY AVE, SAN CARLOS, CA 94070-4672 |
| Document Number | 0000114028 |
|---|---|
| Date | Oct 20, 2020 |
| Instrument | 2020-114028 |
| Name | PRIMELENDING |
|---|---|
| Type | Mortgage Company |
| Address | DALLAS, TX 75252 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Nov 01, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 251 RUBY AVE, SAN CARLOS, CA 94070-4672 |
| Document Number | 0000004783 |
| Instrument Date | Jan 19, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Feb 21, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 251 RUBY AVE SAN CARLOS CA 940704672, SAN CARLOS, CA 94070-4672 |
| Document Number | 0000004783 |
|---|---|
| Date | Jan 24, 2018 |
| Instrument | 4783 |
| Name | PRIME LNDG |
|---|---|
| Address | DALLAS, TX 75252 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Jan 23, 2048 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Carlos City |
| Elementary School District | San Carlos Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,075,029 (+2%) Land $525,697 Building $549,332 | ||
| 2025 | $13,561.00 (+4.9%) Homeowner's exemption | $1,053,952 (+4.04%) Land $515,390 Building $538,562 | |
| 2023 | $12,928.00 (+2.28%) Homeowner's exemption | $1,013,029 Land $495,378 Building $517,651 | $1,595,520 |
| 2022 | $12,640.00 |
251 Ruby Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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