Greco Island, Redwood City

Updated · 5 residents

Greco Island is a remote, largely undeveloped marshland area located in the San Francisco Bay near Redwood City. It is characterized by extreme isolation and a complete lack of residential infrastructure, making it unsuitable for traditional living.

Key Highlights

Moderate PrivacyQuiet, Sidewalk-Free StreetsFunctional, Basic LayoutModerate Pet AccessSemi-rural atmosphereModerate Traffic NoiseLow Industrial PresencePolitically Balanced
Map showing the location of Greco Island, Redwood City, CA
Explore full map

About Greco Island

Greco Island functions as an uninhabited tidal marsh environment rather than a conventional residential neighborhood. The area is defined by its significant distance from urban amenities, lack of pedestrian access, and environmental vulnerability, including high risks related to flooding and fire. Because it lacks basic infrastructure, public services, and residential housing, it is not a viable location for prospective residents or daily commuters. The area is best suited for ecological preservation and wildlife observation rather than habitation. With virtually no privacy, poor air quality, and an absence of community amenities, the site remains a rugged, industrial-adjacent landscape that serves as a natural buffer for the surrounding bay region.

Neighborhood Scores Across 15 Qualities

Privacy Index
Score: 5.5 out of 10

Residential spacing offers a moderate level of separation between neighbors; this provides slightly more personal buffer than the Redwood City average according to iHuus data.

Ranked #9 in Redwood City →
Walkability
Score: 6.2 out of 10

Low-traffic roads provide a peaceful environment for walking, though the lack of sidewalks makes it less pedestrian-friendly than the Redwood City average. According to iHuus data, the neighborhood is notably less walkable than most parts of the city.

Ranked #27 in Redwood City →
Visual Appeal
Score: 4.5 out of 10

Standard tract housing characterizes the area, featuring modest yards and simple architectural lines. This level of visual variety is lower than the Redwood City average.

Ranked #27 in Redwood City →
Dog Friendliness
Score: 5.7 out of 10

Access to dedicated dog parks and wide green verges is slightly below the Redwood City average. Residents may find fewer immediate opportunities for off-leash exercise within the immediate vicinity compared to other parts of the city.

Ranked #16 in Redwood City →
Urban-Rural Index
Score: 7.1 out of 10

Expansive wetlands, salt evaporation ponds, and marshlands characterize this area, providing a more open and less dense environment than the Redwood City average. According to iHuus data, the landscape features scattered structures and significant undeveloped natural space.

Ranked #3 in Redwood City →
Acoustic Comfort
Score: 5.9 out of 10

A steady hum of local traffic from nearby streets is present, though acoustic comfort remains notably higher than the Redwood City average according to iHuus data.

Ranked #9 in Redwood City →
Industrial Proximity
Score: 2.8 out of 10

Industrial activity is significantly lower here than the Redwood City average, as the area is characterized by quiet residential streets and open green spaces. Residents may notice some nearby wastewater management infrastructure and salt production facilities, but heavy commercial or warehouse operations are minimal.

Ranked #26 in Redwood City →
Ideological Lean
Score: 4.7 out of 10

Political leanings in this area are relatively even, presenting a much more moderate landscape than the heavily liberal tilt seen across the rest of Redwood City.

Ranked #27 in Redwood City →

Address-Level Insights for Greco Island

iHuus Neighborhood Intelligence Insights

Get address-level neighborhood insights for Greco Island

  • Street-level scores — see how individual blocks compare, not just neighborhood averages
  • Micro-zone boundaries — identify quiet pockets, flood boundaries, and walkable clusters before you visit
  • 15 dimensions in full — walkability, noise, air quality, school quality, insurance coverage, population age profile, urban/rural index, and more
  • Boundary risk alerts — know if your address sits near a block boundary where scores drop, the kind of detail no listing will ever mention
  • School insights — individual school ratings and insights, not just district-level data
  • Compare before you commit — side-by-side data across neighborhoods, down to block precision

No credit card required

Compare with Any Neighborhood

Compare with
DimensionGreco IslandAmpex
🚶
Walkabilityavg 8.4
Score: 6.2 out of 10
Score: 7.9 out of 10
🔊
Acoustic Comfortavg 4.29
Score: 5.9 out of 10
Score: 1.9 out of 10
🤫
Privacy Indexavg 4.9
Score: 5.5 out of 10
Score: 4.1 out of 10
🎨
Visual Appealavg 7
Score: 4.5 out of 10
Score: 6 out of 10
🐕
Dog Friendlinessavg 6.12
Score: 5.7 out of 10
Score: 4.7 out of 10
🗺️
Urban-Rural Indexavg 6.63
Score: 7.1 out of 10
Score: 5.8 out of 10
Neighborhood Vibeavg 4.41
Score: not available
Score: 5.6 out of 10
🏥
Health Insurance Coverageavg 7.97
Score: not available
Score: 3.4 out of 10
🌿
Air Qualityavg 6.23
Score: not available
Score: 6.8 out of 10
🏭
Industrial Proximityavg 8.38
Score: 2.8 out of 10
Score: 5.9 out of 10
🌊
Flood Safetyavg 4.84
Score: not available
Score: 2.3 out of 10
🗳️
Ideological Leanavg 9.73
Score: 4.7 out of 10
Score: 9.9 out of 10
👥
Population Age Profileavg 4.84
Score: not available
Score: 4.4 out of 10
🔥
Fire Safetyavg 0.22
Score: not available
Score: not available
🏫
School Quality
Score: not available
Score: not available

School Insights for Greco Island

School Insights

See what's really behind every school rating near Greco Island

  • Individual school ratings — each school's own score with outcome context, not just a district average
  • Enrollment & class size data — student-to-teacher ratio and how it compares to the state average
  • Full demographics breakdown — ethnicity and gender composition for every school in the enrollment zone
  • Every school in the district — all schools within the enrollment boundary ranked by rating, not just the closest one
  • Grade levels & benchmarks — elementary through high school, with below/above state-average flags

No credit card required

Frequently Asked Questions

Is Greco Island a good place to live?
No, Greco Island is an uninhabited marshland with no residential housing, utilities, or public services. It is not designed for human habitation.
What is the primary use of the Greco Island area?
The area primarily serves as a tidal marshland and natural habitat. It is largely undeveloped and lacks the infrastructure required for urban or suburban life.
Can I walk or bike to Greco Island?
There is no pedestrian or bicycle infrastructure connecting to the island. The area is inaccessible for standard commuting and lacks any walkability features.