Boulder County property record for 3577 Larkspur Cir, Longmont, CO 80503
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 3,553 sqft · built 1998 |
| Lot Size | 0.168 acres (7,314 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $385,000 (Jun 2002) |
| Tax Bill | $5,472 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1315-17-2-55-001 |
| Primary APN | 1315-17-2-55-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,553 sqft Living Area |
| Gross Area | 4,325 sqft |
| 1st Floor Area | 1,601 sqft |
| Upper Floors Area | 1,270 sqft |
| Basement Area | 1,034 sqft |
| Finished Basement | 682 sqft |
| Unfinished Basement | 352 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,314 sqft (0.168 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 180 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0123969 |
|---|---|
| Street Address | 3577 LARKSPUR CIR |
| City | LONGMONT |
| State | CO |
| Zip | 80503-7584 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 BLK 21 CLOVER CREEK FLG 1 |
| Legal Range | 69 |
| Legal Township | 2N |
| Legal Section | 17 |
| Legal Subdivision | CLOVER CREEK FLG 1 - LG |
| Legal Block | 21 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | LONGMONT |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 13212 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3577 LARKSPUR CIR, LONGMONT, CO 80503-7584 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 19, 2002 · Amount on Record |
| Deed Sale | Jun 19, 2002 · Amount on Record |
| Prior Sale | May 10, 2000 · Amount on Record |
| Deed Document Number | 20022299242 |
| Record Updated | Oct 29, 2026 |
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 | $51,959 (-0.33%) Land $10,581 Building $41,378 | $834,100 (-) Land $225,600 Building $608,500 | |
| 2025 | $5,472.00 (+12.06%) | $52,131 (-5.98%) Land $14,100 Building $38,031 | $834,100 (+0.79%) Land $225,600 Building $608,500 |
| 2023 | $4,883.00 (+17.72%) | $55,449 (+32.26%) Land $12,609 Building $42,840 | $827,600 (+37.2%) Land $188,200 Building $639,400 |
| 2022 | $4,148.00 | $41,923 Land $10,884 Building $31,039 | $603,200 Land $156,600 Building $446,600 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | 2 in force |
| Nearby Flood Claims | 1 (2022) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Aug 2022 · rainfall accumulation |
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 | 0.02% 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 583 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| NextLight Fiber | 10,000 / 10,000 |
| Xfinity Cable · Fiber in parts of the area | 1,200 / 35 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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