Costilla County property record for 106 4th St, San Luis, CO 81152 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 2,327 sqft · built 1936 |
| Lot Size | 0.22 acres (9,600 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $520 (2025) |
| APN | R003930 |
| Primary APN | R003930 |
|---|---|
| Alternative APN |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Building Area | 2,327 sqft Living Area |
| 1st Floor Area | 2,327 sqft |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Architectural Style | Ranch |
| Construction Type | Concrete |
| Roof Type | Gable |
| Lot Area | 9,600 sqft (0.22 acres) |
| Account Number | R003930 |
|---|---|
| Street Address | 106 4TH ST |
| City | SAN LUIS |
| State | CO |
| Zip | 81152 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SAN LUIS EAST 150 FT OF THE NORTH 66 FT OF LOT 2 BLK 3 |
| Legal Subdivision | TOWN OF SAN LUIS |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | COSTILLA CO |
| Township / Civil Division | SAN LUIS |
| Census Block Group | 1 |
| Census Block | 1065 |
| Census Tract | 972700 |
Source: Costilla County records · APN R003930
Assessment roll updated March 27, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 300, SAN LUIS, CO 81152-0300 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 25, 2003 |
| Deed Sale | Sep 25, 2003 |
| Prior Sale | Jan 26, 1996 · Amount on Record |
| Deed Document Number | 2003233958 |
| Deed Book / Page | 373 / 747 |
| Record Updated | Jun 08, 2026 |
Source: Costilla County records · Assessment roll updated March 27, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Costilla County |
| Municipality | San Luis Town |
| Unified School District | Centennial School District R-1 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $520.00 (+108.84%) | $5,626 (+102.37%) Land $250 Building $5,376 | $90,019 (+116.93%) Land $4,000 Building $86,019 |
| 2024 | $249.00 (+5.06%) | $2,780 (-) Land $115 Building $2,665 | $41,497 (-) Land $1,720 Building $39,777 |
| 2023 | $237.00 (-45.89%) | $2,780 (-45.89%) Land $115 Building $2,665 | $41,497 (-43.87%) Land $1,720 Building $39,777 |
| 2022 | $438.00 | $5,138 Land $278 Building $4,860 | $73,924 Land $4,000 Building $69,924 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080239727001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Claims | 1 (2014) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 2014, rainfall accumulation |
| Wildfire Risk | Low above 20% of the US · above 9% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
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: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 2026
| Historic District | Within the Plaza de San Luis de la Culebra listed 1978 · NRIS 78000837 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 98 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Blanca Telephone Company/Jade Communications | Fiber | 2,500 / 2,500 |
| ATN International | Fixed Wireless (licensed-by-rule) | 400 / 80 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
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