1100 S Rural Rd, Tempe, AZ 85281
Generated March 11, 202633.4168, -111.9264
Moderate Risk Site
Budget 8-15% above standard for foundation work due to soil conditions.
Prefab Gap Coverage Available
This site scores 57/100 for soil risk and 7/100 for exposure. Protect your margin with installation gap coverage — covers the window between delivery and certificate of occupancy when standard builders risk doesn’t apply.
Detailed Analysis
Tempe allows one ADU per single-family lot. Max 900 sq ft. Off-street parking may be required. Compatible with most residential zoning districts.
What This Means for Your Build
- This site is ADU eligible — up to 1 unit, max 900 sq ft each
- Budget $2,000-5,000 for permits and plan review in Tempe
- Timeline: plan review typically 4-8 weeks in Tempe
Permit Checklist — Tempe
Show ADU, setbacks, parking
Submit to Tempe Development Services
One additional space may be required
Parcel Information
Avondale clay loam. Moderate shrink-swell — standard foundation with moisture management. Moderate caliche — budget for potential excavation challenges.
Cost Impact: 8-15% above standard
What This Means for Your Build
- Budget 8-15% extra for foundation reinforcement — thickened slab edges or pier supports
- Corrosive soil — use epoxy-coated rebar and corrosion-resistant fasteners
Minimal flood hazard area — outside the 500-year floodplain
Insurance Estimate: Not required — optional coverage ~$400-600/yr
What This Means for Your Build
- Minimal flood risk — no additional flood-related budget needed
- Standard drainage and grading practices are sufficient
- Flood insurance is optional but recommended for any property
No wildfire risk to structures at this location. The site is in a developed area where wildfire risk to buildings is negligible.
Defensible Space
Standard landscaping practices sufficient for this risk level.
Low seismic risk (PGA 0.079g). Standard residential construction with basic seismic provisions per IRC/IBC. No significant cost impact expected.
What This Means for Your Build
- Low seismic risk — standard construction practices are sufficient
- No special seismic upgrades needed beyond code minimums
Next Steps
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Disclaimer: This report uses publicly available data from government sources (Census, USDA, FEMA, USFS, USGS) and is intended as a preliminary site assessment tool. It does not replace a professional geotechnical investigation, Phase I environmental assessment, or formal survey. Risk scores are estimates based on available data. Consult licensed professionals before making construction or investment decisions. Data accuracy depends on source agency update schedules.