Boulder County property record for 429 Sumner St, Longmont, CO 80501
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,248 sqft · built 1962 |
| Lot Size | 0.153 acres (6,673 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,843 (2025) |
| Deeds & Mortgages | May 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-04-1-25-018 |
| Primary APN | 1315-04-1-25-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,248 sqft Living Area |
| 1st Floor Area | 1,248 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 6,673 sqft (0.153 acres) |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | 144 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0047173 |
|---|---|
| Street Address | 429 SUMNER ST |
| City | LONGMONT |
| State | CO |
| Zip | 80501-4865 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOTS 37-38 BLK 1 CAPITOL HILL AMENDED PLAT OF BLKS 1 2 & 3 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 04 |
| Legal Subdivision | CAPITOL HILL - LG |
| Legal Block | 1 |
| Legal Lot Number | 37 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 4 |
| Census Block | 4006 |
| Census Tract | 13302 |
Source: Boulder County records, as of September 18, 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 | 429 SUMNER ST, LONGMONT, CO 80501-4865 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 10, 1992 |
| Deed Sale | Nov 10, 1992 |
| Prior Sale | Aug 19, 1983 · Amount on Record |
| Deed Document Number | 19921238309 |
| Last Transfer Date | May 20, 2026 |
| Transfer Doc | 0004133759 |
| Record Updated | Oct 29, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 28, 2026 |
| Property Address | 429 SUMNER ST, LONGMONT, CO 80501-4865 |
| Document Number | 0004133759 |
| Instrument Date | May 20, 2026 |
| Instrument | 20264133759 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 429 SUMNER ST, LONGMONT, CO 80501-4865 |
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Longmont City |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $32,644 (-2.08%) Land $6,831 Building $25,813 | $533,400 (-) Land $153,800 Building $379,600 | |
| 2025 | $2,843.00 (+16.37%) | $33,338 (-8.13%) Land $9,613 Building $23,725 | $533,400 (-1.51%) Land $153,800 Building $379,600 |
| 2023 | $2,443.00 (+24.64%) | $36,288 (+35.62%) Land $10,754 Building $25,534 | $541,600 (+40.68%) Land $160,500 Building $381,100 |
| 2022 | $1,960.00 | $26,757 Land $7,916 Building $18,841 | $385,000 Land $113,900 Building $271,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 14, 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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
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 | Low lower than 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | CITY OF LONGMONT serves 104,178 people · EPA ID CO0107485 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2025 |
| Lead | 2 ppb (2023–2025) 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 506 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures