21A Union St, Natick, MA 01760 Property Records

Middlesex County and Natick Town property record for 21A Union St, Natick, MA 01760

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,492 sqft · built 1875
Lot Size0.158 acres (6,891 sqft)
OwnerIndividual Name on File
Last Sale$420,300 (Jun 2017)
Tax Bill$6,793 (2025)
Deeds & MortgagesMar 2021 Refinance
Jun 2017 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN44-0000254A

Property Details

APN / Parcel Number

Primary APN44-0000254A
Alternative APN
  • NATI M:00000044 P:0000254A

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories2 Stories
Building Area1,492 sqft Living Area
1st Floor Area600 sqft
Basement Area600 sqft
Unfinished Basement600 sqft

Exterior

Year BuiltBuilt 1875
Effective Year BuiltEffective 2013
Architectural StyleOther
Exterior MaterialOther
Lot Area6,891 sqft (0.158 acres)
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number44-0000254A
Street Address21A UNION ST
CityNATICK
StateMA
Zip01760-4735
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeRG
JurisdictionNATICK MA
Township / Civil DivisionNATICK
Census Block Group2
Census Block2001
Census Tract382300

Owner

21A Union St is owned by an individual who bought it in June 2017.

Source: Middlesex County and Natick Town records, as of October 9, 2026

Owner of RecordIndividual Name on File
Mailing Address21 UNION ST, A, NATICK, MA 01760-4735
Owner TypeIndividual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Mar 22, 2021Deed of Trust, Mortgage · Stand-Alone Refinance
BERKSHIRE BANK
Jun 29, 2017Quit Claim Deed, Transfer · Conventional Mortgage
STEARNS LNDG

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJun 29, 2017 · Amount on File
Deed SaleJun 29, 2017 · Amount on File
Prior SaleNov 24, 2015 · Amount on File
Deed Book / Page69530 / 113
Transfer Doc069530-113
Record UpdatedOct 29, 2026

March 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNATICK MA
Property Address21A UNION ST, NATICK, MA 01760-4735
Transaction TypeMortgage
Record UpdatedApr 3, 2026

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0077280-49
DateMar 22, 2021
Book Page77280/49
Instrument62394
Lender
NameBERKSHIRE BANK
TypeBank
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term241 Months
DueApr 1, 2041

June 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionNATICK MA
Recording DateJun 29, 2017
Property Address21A UNION ST, NATICK, MA 01760-4735
Document Number69530-113
Book / Page069530 / 000113
Instrument DateJun 13, 2017
Instrument101041
Transaction TypeTransfer
Record UpdatedJul 18, 2017

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$1,916.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address21 UNION ST NATICK MA 017604735, NATICK, MA 01760-4735

Mortgage

Document Number69530-117
DateJun 29, 2017
Book Page069530/000117
Instrument101042
Lender
NameSTEARNS LNDG
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueJun 28, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 21A Union St was $6,793, up 3.6% from the year before.

Source: Middlesex County and Natick Town assessment roll, as of April 14, 2026

Property Jurisdictions

TypeName
StateMassachusetts
CountyMiddlesex County
County SubdivisionNatick Town
Unified School DistrictNatick School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$6,793.00 (+3.6%)$568,000 (+6.21%) Land $373,500 Building $194,500$632,890
2024$6,557.00 (-0.88%)$534,800 (+2.2%) Land $352,800 Building $182,000
2023$6,615.00$523,300 Land $332,000 Building $191,300

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 21A Union St in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1978.

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims9 (1978–2023)
Claims Outside the SFHA6 of 9
Most Recent ClaimAug 2023 · 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.

Wildfire

Wildfire risk around 21A Union St is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 98% of the US · lower than 96% of Massachusetts
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

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 SystemNATICK WATER AND SEWER DIVISION
serves 37,006 people · EPA ID MA3198000
Water SourceGroundwater
Last State InspectionAug 2023
LeadUnder 1 ppb (2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 498 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable
2,000 / 2,000
Astound Broadband
Cable
1,500 / 50
Verizon
Fiber
980 / 880
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

Nearby Properties on Union St

Nearby Streets

Search Property Records by Address or Parcel Number