Tulsa County property record for 423 S Boulder Ave, Tulsa, OK 74103
| Property Type | Parking Garage, Parking Structure |
|---|---|
| Details | 333,000 sqft · built 1980 |
| Lot Size | 1.37 acres (59,982 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (minimal risk) |
| APN | 00500-92-01-38700 |
| Primary APN | 00500-92-01-38700 |
|---|---|
| Alternative APN |
|
| Units | 1167 Units |
|---|---|
| Stories | 6 Stories |
| Building Area | 333,000 sqft Total Area |
| Year Built | Built 1980 |
|---|---|
| Construction Type | Concrete |
| Lot Area | 59,982 sqft (1.37 acres) |
| Cooling System | None |
|---|
| Account Number | R00500920138700 |
|---|---|
| Street Address | 423 S BOULDER AVE |
| City | TULSA |
| State | OK |
| Zip | 74103-3810 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Parking Garage, Parking Structure |
| Local Zoning Code | CBD |
| Legal Description | LTS 1 & 2 & N50 LT 3 LTS 7 & 8 & N50 LT 6 ALL IN BLK 135 & N200 VACATED ALLEY IN BLK 135 |
| Legal Range | 12E |
| Legal Township | 19N |
| Legal Section | 01 |
| Legal Quarter | SW |
| Legal Subdivision | TULSA-ORIGINAL TOWN |
| Legal Block | 135 |
| Legal Lot Number | 1-3,6-8 2 |
| Jurisdiction | TULSA OK |
| Township / Civil Division | TULSA |
| Census Block Group | 1 |
| Census Block | 1074 |
| Census Tract | 2500 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Oil Capital Historic District listed 2010 · 41 contributing resources · NRIS 10001013 |
|---|---|
| Individually Listed | Gillette-Tyrell Building listed 1982 · 1 contributing resources · NRIS 82003703 |
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Tulsa County records, as of January 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 175 E 2ND ST, TULSA, OK 74103-3202 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 9, 2021 |
| Deed Sale | Jun 9, 2021 |
| Record Updated | Jun 8, 2026 |
Source: Tulsa County assessment roll, as of October 1, 2025
| Type | Name |
|---|---|
| State | Oklahoma |
| County | Tulsa County |
| Municipality | Tulsa City |
| Unified School District | Tulsa Public Schools (PK - 12) |
| Year | Assessed Market Value |
|---|---|
| 2025 | $8,698,300 (-) Land $1,800,000 Building $6,898,300 |
| 2023 | $8,698,300 Land $1,800,000 Building $6,898,300 |
Assessed market value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 1 (1984) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | May 1984 · Severe Storms & Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | TULSA serves 413,000 people · EPA ID OK1020418 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 78 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 100 / 20 |
May also be available: Cox Communications, T-Mobile, Verizon.
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