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Area data

San Dimas, CA — ZIP 91773

Population: 33,598 (Census ACS)

The typical home value in ZIP 91773 (San Dimas, CA) is $904,072 — up 0.3% over the past year. Homes sell for a median $890,000 after a median 42 days on market. Typical rent runs $2,736/month. 13 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very High, with earthquake, inland flooding, lightning the top-rated hazards. Cost of living is 10.7% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$904,072

Typical home value

+0.3%

1-year change

42

Median days on market

Very High

Hazard risk (county)

Home values & appreciation

Typical home value
$904,072
1-year appreciation
+0.3%
3-year appreciation
+8.2%
5-year appreciation
+20.7%
10-year appreciation
+73.9%
Peak value since 2000 (Dec 2025)
$914,936
House Price Index (state)
423.4 (-0.3% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$890,000
Median list price
$875,000
Median price per sqft
$515
1-year sale-price change
-9.1%
Median days on market
42 days
Homes sold (recent period)
60
For-sale inventory
86
Sale-to-list ratio
99.7%
Active listings
71
1-year forecast
+1.9%
Days to pending
44 days
New listings (monthly)
27

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$2,736/mo
1-year rent change
+2.0%
Studio fair-market rent
$2,151/mo
1BR fair-market rent
$2,402/mo
2BR fair-market rent
$2,964/mo
3BR fair-market rent
$3,760/mo
4BR fair-market rent
$4,208/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
110.7 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
13
Elementary schools
6
Middle schools
2
High schools
4
Avg student-teacher ratio
22.6 : 1
School districts serving the area
Bonita Unified, Los Angeles County Office of Education
Schools include
Allen Avenue Elementary, Arma J. Shull Elementary, Chaparral High (Continuation), Fred Ekstrand Elementary, Gladstone Elementary

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Very High
Top hazards (county)
earthquake, inland flooding, lightning, wildfire, avalanche
Notable hazard ratings (county)
wildfire: Very High · lightning: Very High · earthquake: Very High · inland flooding: Very High · tornado: Relatively High · heat wave: Relatively High
Most common flood zone among NFIP claims
Zone C
NFIP flood claims on record
8
Wildfire risk to homes (county)
Higher than 99% of US counties
Buildings in wildfire direct-exposure zone
5.0%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
San Gabriel Valley (Area 2) (7.6 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
65.0°F
Average high
78.0°F
Average low
52.0°F
Annual precipitation
17.9 in
USDA plant hardiness zone
10a (extreme annual low 30 to 35°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Moderate
Median AQI (annual)
74
Days with Good air quality
39
Days with Moderate air quality
228
Days with Unhealthy air quality
31
Highest AQI recorded (year)
201

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
16.7 / 20
Transit service frequency
582
Jobs reachable by car (30 min)
264,650
Jobs reachable by transit (45 min)
256,035

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Juan Bautista de Anza National Historic Trail (37 mi)
National parks include
Juan Bautista de Anza National Historic Trail, Santa Monica Mountains National Recreation Area
Airports within 30 mi
18
Nearest airport
Brackett Field (POC) (2 mi)
Nearest major airport
Ontario International Airport (ONT) (13 mi)
Hospitals in or near this ZIP
1
Hospitals include
SAN DIMAS COMMUNITY HOSPITAL
Avg hospital rating (CMS)
2.0 / 5
Best hospital rating nearby (CMS)
2.0 / 5
EV charging stations (within 10 mi)
630
Solar radiation rating
Good (5.3 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-52,940 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1976
Housing built before 1970
30.9%
Housing built 2000 or later
8.3%
Median annual property tax
$5,009
Mean commute to work
26 min
Households with broadband internet
81.3%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
3,927,366
Average weekly wage
$1,605
Top industries (by employment)
Health Care, Accommodation & Food, Professional Services
Annual residential building permits (county)
22,250

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 91773State medianUS median
Typical home value$904,072$695,380$288,527
Median sale price$890,000$696,000$325,000
Median days on market42 days39 days51 days
Typical rent$2,736/mo$2,786/mo$1,809/mo
Median annual property tax$5,009$4,533$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the typical home value in ZIP 91773?
$904,072.
What is the median sale price in ZIP 91773?
$890,000.
How long do homes take to sell in ZIP 91773?
Median days on market: 42 days.
What is typical rent in ZIP 91773?
Typical rent: $2,736/month.
What is the natural-hazard risk in ZIP 91773?
Overall risk: Very High (FEMA NRI, county-level). Top hazards: earthquake, inland flooding, lightning, wildfire, avalanche.
Is ZIP 91773 in a flood zone?
Flood zones vary by property within ZIP 91773. 8 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is C. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in ZIP 91773?
Risk to homes is higher than 99% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 91773?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 91773?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 91773?
13 schools (6 elementary, 2 middle, 4 high) (NCES, 2024-25).
Is ZIP 91773 walkable?
Walkability index: 16.7/20 (EPA Smart Location Database).
What is the air quality in ZIP 91773?
Moderate. Median AQI: 74. (EPA AQI).
What is the cost of living in ZIP 91773?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Oct 2026. See all data sources →

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