1851 Tansy Pl, Boulder, CO 80304 Property Records

Boulder County property record for 1851 Tansy Pl, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,495 sqft · built 2006
Lot Size	0.095 acres (4,144 sqft)
Owner	2 Individual Names on Record
Last Sale	$694,181 (Jan 2007)
Tax Bill	$8,059 (2025)
Deeds & Mortgages	Jan 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-07-0-21-018`

Property Details

APN / Parcel Number

Primary APN	`1463-07-0-21-018`
Alternative APNs	`R0502028` `0502028`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,495 sqft Living Area
Gross Area	4,331 sqft
1st Floor Area	1,296 sqft
Upper Floors Area	1,299 sqft
Basement Area	1,296 sqft
Finished Basement	900 sqft
Unfinished Basement	396 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2006
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	4,144 sqft (0.095 acres)
Garage Type	Attached
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	298 sqft
Deck Area	98 sqft
Patio Area	234 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0502028
Street Address	1851 TANSY PL
City	BOULDER
State	CO
Zip	80304-0890
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 18 SANITAS TERRACE
Legal Range	70
Legal Township	1N
Legal Section	07
Legal Subdivision	SANITAS TERRACE
Legal Block	1
Legal Lot Number	18
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1003
Census Tract	12105

Owner

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	1851 TANSY PL, BOULDER, CO 80304-0890
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 2, 2007 · Amount on Record
Deed Sale	Jan 2, 2007 · Amount on Record
Prior Sale	Feb 22, 2005 · Amount on Record
Deed Document Number	20072826571
Record Updated	Oct 29, 2026

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1851 TANSY PL, BOULDER, CO 80304-0890
Document Number	0003763699
Instrument Date	Jan 22, 2020
Transaction Type	Mortgage
Record Updated	Feb 21, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1851 TANSY PL BOULDER CO 803040890, BOULDER, CO 80304-0890

Mortgage

Document Number	0003763699
Date	Jan 31, 2020
Instrument	3763699

Lender

Name	TIAA FSB
Address	JACKSONVILLE, FL 32202

Agreement

Amount	Amount Recorded
Term	360 Months
Due	Jan 30, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.5%

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$87,203 (+3.17%) Land $32,592 Building $54,611	$1,352,400 (-) Land $549,300 Building $803,100
2025	$8,059.00 (+2.58%)	$84,525 (-10.7%) Land $34,331 Building $50,194	$1,352,400 (-4.28%) Land $549,300 Building $803,100
2023	$7,856.00 (+25.08%)	$94,658 (+39.95%) Land $35,490 Building $59,168	$1,412,800 (+45.17%) Land $529,700 Building $883,100
2022	$6,281.00	$67,637 Land $28,627 Building $39,010	$973,200 Land $411,900 Building $561,300

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.

Flood

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	6 in force
Nearby Flood Claims	1 (1982)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Jul 1982 · tidal / storm surge

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.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 80% of the US · above 82% of Colorado
Wildfire Likelihood	0.7% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 748 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20

May also be available: T-Mobile.

Nearby Properties on Tansy Pl

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures