learnhillsborough neighborhoodspublic parcel records, october 2026boyenga team at compass
Hillsborough neighborhoods, side by side
Each of our 6 Hillsborough neighborhood guides in one table: its single-family homes, their median lot, and how many sit in FEMA flood, CAL FIRE fire and state earthquake zones, counted parcel by parcel from public records.
- neighborhoods6Boyenga Team guides
- homes counted3,866single-family lots
- median lot range22,840to 25,740 sq ft
- in a fire hazard zone1,01326% of homes counted
side by side
Every Hillsborough neighborhood, side by side
One row per neighborhood guide. Select a column heading to sort; each name opens its guide.
| Carolands | 708lots | 23,2300.53 acre | 0 | 19728% | 7under 1% | 18126% | 0 |
| Hillsborough Park & Hillsborough Knolls | 899lots | 23,7800.55 acre | 1under 1% | 11413% | 11613% | 14816% | 0 |
| Lakeview & Crystal Springs | 513lots | 24,3100.56 acre | 0 | 42282% | 0 | 16532% | 0 |
| Ryan Tract, Homeplace & Brewer | 632lots | 22,8400.52 acre | 0 | 0 | 8513% | 335% | 0 |
| Skyfarm & Oaksbridge | 781lots | 25,2200.58 acre | 0 | 14218% | 689% | 13117% | 0 |
| Tobin Clark Estates | 333lots | 25,7400.59 acre | 0 | 13841% | 2under 1% | 7222% | 0 |
Homes = single-family houses where the records identify them, otherwise lots zoned or coded single-family (marked “lots”). Percentages are shares of the homes counted in that neighborhood. The records here don’t publish year built or house size widely enough to show.
what stands out
What stands out
- Lot sizesMedian lots run from 22,840 sq ft in Ryan Tract, Homeplace & Brewer to 25,740 sq ft (0.59 acre) in Tobin Clark Estates.
- Flood zones (FEMA)Only Hillsborough Park & Hillsborough Knolls has homes in a FEMA high-risk flood zone: 1 of 899 (under 1%).
- Fire zones (CAL FIRE)5 of the 6 neighborhoods have homes with part of the lot in a fire hazard severity zone; the highest share is in Lakeview & Crystal Springs (422 of 513, 82%), followed by Tobin Clark Estates (41%). None is in a Very High zone.
- Liquefaction zones5 of the 6 neighborhoods have homes in a liquefaction zone; the highest share is in Ryan Tract, Homeplace & Brewer (85 of 632, 13%), followed by Hillsborough Park & Hillsborough Knolls (13%).
- Landslide zonesAll 6 neighborhoods have homes in an earthquake-induced landslide zone; the highest share is in Lakeview & Crystal Springs (165 of 513, 32%), followed by Carolands (26%).
- Fault zones (Alquist-Priolo)No counted home is in an Alquist-Priolo fault zone.
prices
What homes are selling for
Prices move every week, so they live on pages that read the MLS each time they load.
- Neighborhood RankingEach Hillsborough neighborhood ranked by median price per square foot from the last 180 days of sales.
- Price per Sq Ft MapEvery recent Hillsborough sale plotted where it happened, shaded by price per square foot.
the method
How we counted
- Neighborhoods
- Our Hillsborough neighborhood guides, using the outline drawn for each guide (approximate; neighboring outlines can overlap). Guides with fewer than 20 counted homes are left out.
- Homes
- Single-family houses where the records identify them, otherwise lots zoned or coded single-family. Condos and townhomes are not counted. These are the same homes as on our Flood & Fire, Lot Size and Earthquake Zones pages.
- Lot size
- The median parcel lot area: the parcel record’s lot area where the source publishes one, otherwise the area of the mapped parcel outline. Approximate; confirm a parcel’s size with the county assessor or a title report.
- Flood
- FEMA high-risk flood zones (A, AE, AH or AO) at each parcel’s center, on FEMA’s flood maps as of October 2026.
- Fire
- Any part of the lot inside a CAL FIRE fire hazard severity zone (Moderate, High or Very High), counted once in its highest zone, on CAL FIRE’s current maps as of October 2026.
- Earthquake zones
- The California Geological Survey’s liquefaction, earthquake-induced landslide and Alquist-Priolo fault zones as published in October 2026, judged at each parcel’s center.
- Source for Hillsborough
- San Mateo County parcel layer (use codes as of June 2020).
questions
Questions we hear
Which Hillsborough neighborhood has the biggest lots?
Among our 6 Hillsborough neighborhood guides, Tobin Clark Estates has the largest median lot, about 25,740 square feet (0.59 acre), and Ryan Tract, Homeplace & Brewer the smallest, about 22,840 square feet. Lot sizes come from public parcel records as of October 2026.
Do any Hillsborough neighborhoods have homes in a flood zone?
Only Hillsborough Park & Hillsborough Knolls has homes in a FEMA high-risk flood zone: 1 of 899 (under 1%). That’s judged at each parcel’s center on FEMA’s maps as of October 2026.
Are any Hillsborough homes in an earthquake fault zone?
None of the 3,866 homes counted in our Hillsborough guides is in an Alquist-Priolo Earthquake Fault Zone. Strong shaking can still reach any home in the region.
Where can I see home prices by neighborhood?
Our Neighborhood Ranking page ranks each Hillsborough guide by median price per square foot from the last 180 days of sales, live from the MLS, and the Price per Sq Ft Map plots each sale where it happened.
more to learn
Keep going
- Hillsborough homes and neighborhoodsHomes for sale and the full list of our Hillsborough neighborhood guides.
- Lot Size by NeighborhoodThe same lot sizes next to every other city’s neighborhoods.
- Flood & Fire ZonesFlood and fire zone counts with zone-by-zone detail.
- Earthquake ZonesLiquefaction, landslide and fault zone counts for 415 neighborhoods.
- Outside Mapped Hazard ZonesThe neighborhoods where no counted home sits in a flood, fire or earthquake zone.
- Earthquake Retrofit GrantsState grants to brace and bolt an older house on a raised foundation.
- Neighborhood RankingEach Hillsborough neighborhood ranked by price per square foot, live from the MLS.
- Property Nerds Data LibraryThe datasets behind these numbers (PN-DS-27 to PN-DS-29) as CSV downloads.
Counts from public parcel records and FEMA, CAL FIRE and California Geological Survey maps as published in October 2026 (San Mateo County use codes as of June 2020). Neighborhood outlines are our own and approximate. Not a substitute for a property-specific report or the disclosures in a sale.
talk to a property nerd
Weighing a few Hillsborough neighborhoods?
We’ll pull the parcel facts, hazard maps and recent sales for the streets you’re considering, and walk you through what they mean for price. Commissions are negotiable, and we offer bundled services, so ask us what’s included.


