The Contributory Value of Trees to Residential Property in the Austin, Texas Metropolitan Area

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Figure 1.
Distribution of sample neighborhoods used to collect data for the assessment of the contributory value of trees to residential property value.

Table 1. Mean value of trees derived by the formula and the predictive modeling methods.

Neighborhood	Number of lots	Mean value of trees/lot (A)	Mean predicted appraised value of property (B)	Percent (A)/(B)
The formula method
Travis Heights	30	$ 7,679.60	$ 61,234.50	12%
Rollingwood	30	33,215.66	118,295.20	28
Tarrytown	30	25,588.20	231,195.83	11
Eubank Acres	30	18,176.96	68,252.40	27
Entire sample	120	21,165.11	119,744.48	20%
The predictive modeling method
Travis Heights	30	$ 12,845.88	$ 61,234.50	21%
Rollingwood	30	24,916.42	118,295.20	21
Tarrytown	30	21,058.98	231,195.83	10
Eubank Acres	30	14,299.88	68,252.40	22
Entire sample	120	18,280.11	119,744.48	19%