Preview 555,290 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got. Sourced from city open-data portals. Data as of 2026-09-21.

Austin · permit 2018-000516 MP

510 BLACKSON AVE

new secondary dwelling unit: 2 bedrooms 2.5 bathrooms 2 stories

Permit

Permit type
Mechanical Permit
Class
Residential
Trade
Mechanical
Nature of work
New
Work
New
Status
Final

Location

City
AUSTIN
State
TX
ZIP
78752

Dates

Applied
2017-09-22
Issued
2019-10-29
Expires
2021-06-25
Completed
2021-06-25
Time to issue
767 days

Value and contractor

Declared value
N/A. Declared value is a premium field which requires a paid plan. However, this permit has no value declared.
Total fee
N/A. Total fee is a premium field which requires a paid plan. However, this permit has no fee on record.
Contractor
Developers RR LLC

Austin details

Project ID
11845202
Status date
2021-06-25
Floors
2
Certificate of occupancy
No
Permit class (Austin detail)
R- 102 Secondary Apartment

Data as of 2026-09-20. View the city's record

Other permits issued in Austin, October 2019